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CVE-2026-32829

lz4_flex is a pure Rust implementation of LZ4 compression/decompression. In versions 0.11.5 and below, and 0.12.0, decompressing invalid LZ4 data can leak sensitive information from uninitialized memory or from previous decompression operations. The library fails to properly validate offset values during LZ4 "match copy operations," allowing out-of-bounds reads from the output buffer. The block-based API functions (`decompress_into`, `decompress_into_with_dict`, and others when `safe-decode` is
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:c0edee9705707d5a1730b45dbc48fb1156a643ebb01ec5fab6a2c4fcd2c72610
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
3

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 10 assertions

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:10"],"defaultStatus":"unaffected","packageName":"rust","product":"Red Hat Enterprise Linux 10","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:476b52cceb469d6ca4ad7a01034c34a0c4a8f8cb6930ee0793c3e3d56151a525 · sha256:a65f33dade9c6972… · /containers/adp/1/affected/6

{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:openshift_ai:3.3::el9"],"defaultStatus":"affected","packageName":"rhoai/odh-llm-d-inference-scheduler-rhel9","product":"Red Hat OpenShift AI 3.3","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"1778263962","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:476b52cceb469d6ca4ad7a01034c34a0c4a8f8cb6930ee0793c3e3d56151a525 · sha256:a65f33dade9c6972… · /containers/adp/1/affected/3

{"product":"lz4_flex","vendor":"PSeitz","versions":[{"status":"affected","version":"< 0.11.6"},{"status":"affected","version":">= 0.12.0, < 0.12.1"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:476b52cceb469d6ca4ad7a01034c34a0c4a8f8cb6930ee0793c3e3d56151a525 · sha256:a65f33dade9c6972… · /containers/cna/affected/0

{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:logging:6.4::el9"],"defaultStatus":"affected","packageName":"openshift-logging/vector-rhel9","product":"Logging Subsystem for Red Hat OpenShift 6.4","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"1780052069","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:476b52cceb469d6ca4ad7a01034c34a0c4a8f8cb6930ee0793c3e3d56151a525 · sha256:a65f33dade9c6972… · /containers/adp/1/affected/1

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:ansible_automation_platform:2"],"defaultStatus":"affected","packageName":"ansible-automation-platform-25/lightspeed-chatbot-rhel8","product":"Red Hat Ansible Automation Platform 2","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:476b52cceb469d6ca4ad7a01034c34a0c4a8f8cb6930ee0793c3e3d56151a525 · sha256:a65f33dade9c6972… · /containers/adp/1/affected/5

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openshift_ai"],"defaultStatus":"unaffected","packageName":"rhoai/odh-model-registry-job-async-upload-rhel9","product":"Red Hat OpenShift AI (RHOAI)","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:476b52cceb469d6ca4ad7a01034c34a0c4a8f8cb6930ee0793c3e3d56151a525 · sha256:a65f33dade9c6972… · /containers/adp/1/affected/8

{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:logging:6.5::el9"],"defaultStatus":"affected","packageName":"openshift-logging/vector-rhel9","product":"Logging Subsystem for Red Hat OpenShift 6.5","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"1777574710","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:476b52cceb469d6ca4ad7a01034c34a0c4a8f8cb6930ee0793c3e3d56151a525 · sha256:a65f33dade9c6972… · /containers/adp/1/affected/2

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openshift_lightspeed"],"defaultStatus":"affected","packageName":"openshift-lightspeed/lightspeed-service-api-rhel9","product":"OpenShift Lightspeed","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:476b52cceb469d6ca4ad7a01034c34a0c4a8f8cb6930ee0793c3e3d56151a525 · sha256:a65f33dade9c6972… · /containers/adp/1/affected/4

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:9"],"defaultStatus":"unaffected","packageName":"rust","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:476b52cceb469d6ca4ad7a01034c34a0c4a8f8cb6930ee0793c3e3d56151a525 · sha256:a65f33dade9c6972… · /containers/adp/1/affected/7

{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:logging:6.2::el9"],"defaultStatus":"affected","packageName":"openshift-logging/vector-rhel9","product":"Logging for Red Hat OpenShift 6.2","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"1776894389","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:476b52cceb469d6ca4ad7a01034c34a0c4a8f8cb6930ee0793c3e3d56151a525 · sha256:a65f33dade9c6972… · /containers/adp/1/affected/0
cvss · 2 assertions

{"metric":{"attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":8.2,"baseSeverity":"HIGH","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:476b52cceb469d6ca4ad7a01034c34a0c4a8f8cb6930ee0793c3e3d56151a525 · sha256:a65f33dade9c6972… · /containers/cna/metrics/0/cvssV4_0

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:476b52cceb469d6ca4ad7a01034c34a0c4a8f8cb6930ee0793c3e3d56151a525 · sha256:a65f33dade9c6972… · /containers/adp/1/metrics/1/cvssV3_1
cwe · 3 assertions

{"cweId":"CWE-201","description":"CWE-201: Insertion of Sensitive Information Into Sent Data","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:476b52cceb469d6ca4ad7a01034c34a0c4a8f8cb6930ee0793c3e3d56151a525 · sha256:a65f33dade9c6972… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-823","description":"CWE-823: Use of Out-of-range Pointer Offset","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:476b52cceb469d6ca4ad7a01034c34a0c4a8f8cb6930ee0793c3e3d56151a525 · sha256:a65f33dade9c6972… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-823","description":"Use of Out-of-range Pointer Offset","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:476b52cceb469d6ca4ad7a01034c34a0c4a8f8cb6930ee0793c3e3d56151a525 · sha256:a65f33dade9c6972… · /containers/adp/1/problemTypes/0/descriptions/0

Affected products and versions

10 source assertions
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:10"],"defaultStatus":"unaffected","packageName":"rust","product":"Red Hat Enterprise Linux 10","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:476b52cceb469d6ca4ad7a01034c34a0c4a8f8cb6930ee0793c3e3d56151a525 · sha256:a65f33dade9c6972… · /containers/adp/1/affected/6
{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:openshift_ai:3.3::el9"],"defaultStatus":"affected","packageName":"rhoai/odh-llm-d-inference-scheduler-rhel9","product":"Red Hat OpenShift AI 3.3","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"1778263962","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:476b52cceb469d6ca4ad7a01034c34a0c4a8f8cb6930ee0793c3e3d56151a525 · sha256:a65f33dade9c6972… · /containers/adp/1/affected/3
{"product":"lz4_flex","vendor":"PSeitz","versions":[{"status":"affected","version":"< 0.11.6"},{"status":"affected","version":">= 0.12.0, < 0.12.1"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:476b52cceb469d6ca4ad7a01034c34a0c4a8f8cb6930ee0793c3e3d56151a525 · sha256:a65f33dade9c6972… · /containers/cna/affected/0
{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:logging:6.4::el9"],"defaultStatus":"affected","packageName":"openshift-logging/vector-rhel9","product":"Logging Subsystem for Red Hat OpenShift 6.4","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"1780052069","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:476b52cceb469d6ca4ad7a01034c34a0c4a8f8cb6930ee0793c3e3d56151a525 · sha256:a65f33dade9c6972… · /containers/adp/1/affected/1
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:ansible_automation_platform:2"],"defaultStatus":"affected","packageName":"ansible-automation-platform-25/lightspeed-chatbot-rhel8","product":"Red Hat Ansible Automation Platform 2","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:476b52cceb469d6ca4ad7a01034c34a0c4a8f8cb6930ee0793c3e3d56151a525 · sha256:a65f33dade9c6972… · /containers/adp/1/affected/5
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openshift_ai"],"defaultStatus":"unaffected","packageName":"rhoai/odh-model-registry-job-async-upload-rhel9","product":"Red Hat OpenShift AI (RHOAI)","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:476b52cceb469d6ca4ad7a01034c34a0c4a8f8cb6930ee0793c3e3d56151a525 · sha256:a65f33dade9c6972… · /containers/adp/1/affected/8
{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:logging:6.5::el9"],"defaultStatus":"affected","packageName":"openshift-logging/vector-rhel9","product":"Logging Subsystem for Red Hat OpenShift 6.5","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"1777574710","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:476b52cceb469d6ca4ad7a01034c34a0c4a8f8cb6930ee0793c3e3d56151a525 · sha256:a65f33dade9c6972… · /containers/adp/1/affected/2
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openshift_lightspeed"],"defaultStatus":"affected","packageName":"openshift-lightspeed/lightspeed-service-api-rhel9","product":"OpenShift Lightspeed","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:476b52cceb469d6ca4ad7a01034c34a0c4a8f8cb6930ee0793c3e3d56151a525 · sha256:a65f33dade9c6972… · /containers/adp/1/affected/4
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:9"],"defaultStatus":"unaffected","packageName":"rust","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:476b52cceb469d6ca4ad7a01034c34a0c4a8f8cb6930ee0793c3e3d56151a525 · sha256:a65f33dade9c6972… · /containers/adp/1/affected/7
{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:logging:6.2::el9"],"defaultStatus":"affected","packageName":"openshift-logging/vector-rhel9","product":"Logging for Red Hat OpenShift 6.2","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"1776894389","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:476b52cceb469d6ca4ad7a01034c34a0c4a8f8cb6930ee0793c3e3d56151a525 · sha256:a65f33dade9c6972… · /containers/adp/1/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":8.2,"baseSeverity":"HIGH","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:476b52cceb469d6ca4ad7a01034c34a0c4a8f8cb6930ee0793c3e3d56151a525 · sha256:a65f33dade9c6972… · /containers/cna/metrics/0/cvssV4_0
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:476b52cceb469d6ca4ad7a01034c34a0c4a8f8cb6930ee0793c3e3d56151a525 · sha256:a65f33dade9c6972… · /containers/adp/1/metrics/1/cvssV3_1

CWE assertions

3 source assertions
{"cweId":"CWE-201","description":"CWE-201: Insertion of Sensitive Information Into Sent Data","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:476b52cceb469d6ca4ad7a01034c34a0c4a8f8cb6930ee0793c3e3d56151a525 · sha256:a65f33dade9c6972… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-823","description":"CWE-823: Use of Out-of-range Pointer Offset","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:476b52cceb469d6ca4ad7a01034c34a0c4a8f8cb6930ee0793c3e3d56151a525 · sha256:a65f33dade9c6972… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-823","description":"Use of Out-of-range Pointer Offset","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:476b52cceb469d6ca4ad7a01034c34a0c4a8f8cb6930ee0793c3e3d56151a525 · sha256:a65f33dade9c6972… · /containers/adp/1/problemTypes/0/descriptions/0

Source references

10 source assertions
{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:11800"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:476b52cceb469d6ca4ad7a01034c34a0c4a8f8cb6930ee0793c3e3d56151a525 · sha256:a65f33dade9c6972… · /containers/adp/1/references/5
{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:16354"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:476b52cceb469d6ca4ad7a01034c34a0c4a8f8cb6930ee0793c3e3d56151a525 · sha256:a65f33dade9c6972… · /containers/adp/1/references/4
{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:19712"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:476b52cceb469d6ca4ad7a01034c34a0c4a8f8cb6930ee0793c3e3d56151a525 · sha256:a65f33dade9c6972… · /containers/adp/1/references/6
{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:22862"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:476b52cceb469d6ca4ad7a01034c34a0c4a8f8cb6930ee0793c3e3d56151a525 · sha256:a65f33dade9c6972… · /containers/adp/1/references/3
{"tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-32829"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:476b52cceb469d6ca4ad7a01034c34a0c4a8f8cb6930ee0793c3e3d56151a525 · sha256:a65f33dade9c6972… · /containers/adp/1/references/0
{"name":"RHBZ#2448271","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2448271"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:476b52cceb469d6ca4ad7a01034c34a0c4a8f8cb6930ee0793c3e3d56151a525 · sha256:a65f33dade9c6972… · /containers/adp/1/references/1
{"name":"https://github.com/PSeitz/lz4_flex/commit/055502ee5d297ecd6bf448ac91c055c7f6df9b6d","tags":["x_refsource_MISC"],"url":"https://github.com/PSeitz/lz4_flex/commit/055502ee5d297ecd6bf448ac91c055c7f6df9b6d"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:476b52cceb469d6ca4ad7a01034c34a0c4a8f8cb6930ee0793c3e3d56151a525 · sha256:a65f33dade9c6972… · /containers/cna/references/1
{"name":"https://github.com/PSeitz/lz4_flex/security/advisories/GHSA-vvp9-7p8x-rfvv","tags":["x_refsource_CONFIRM"],"url":"https://github.com/PSeitz/lz4_flex/security/advisories/GHSA-vvp9-7p8x-rfvv"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:476b52cceb469d6ca4ad7a01034c34a0c4a8f8cb6930ee0793c3e3d56151a525 · sha256:a65f33dade9c6972… · /containers/cna/references/0
{"name":"https://rustsec.org/advisories/RUSTSEC-2026-0041.html","tags":["x_refsource_MISC"],"url":"https://rustsec.org/advisories/RUSTSEC-2026-0041.html"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:476b52cceb469d6ca4ad7a01034c34a0c4a8f8cb6930ee0793c3e3d56151a525 · sha256:a65f33dade9c6972… · /containers/cna/references/2
{"tags":["x_sadp-csaf-vex"],"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-32829.json"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:476b52cceb469d6ca4ad7a01034c34a0c4a8f8cb6930ee0793c3e3d56151a525 · sha256:a65f33dade9c6972… · /containers/adp/1/references/2

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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