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CVE-2026-43618

Rsync version 3.4.2 and prior contain an integer overflow vulnerability in the compressed-token decoder where a 32-bit signed counter is not checked for overflow, allowing a malicious sender to trigger an overflow that causes the receiver process to read and return data from outside the intended buffer bounds. Attackers can exploit this vulnerability to disclose process memory contents including environment variables, passwords, heap and stack data, and library memory pointers, significantly red
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:923f1deac78dd4ae0a60941553725516fbccaa6e37bd49d41786e5b4a14a4df1
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
3

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 8 assertions

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:7"],"defaultStatus":"affected","packageName":"rsync","product":"Red Hat Enterprise Linux 7","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:242bb30fd3bbedbe84543a386c83292ba0043e9b9a6b44759421df4c7cbc2ba6 · sha256:ff1498f4e4f2033b… · /containers/adp/1/affected/5

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:6"],"defaultStatus":"affected","packageName":"rsync","product":"Red Hat Enterprise Linux 6","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:242bb30fd3bbedbe84543a386c83292ba0043e9b9a6b44759421df4c7cbc2ba6 · sha256:ff1498f4e4f2033b… · /containers/adp/1/affected/4

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:10.2"],"defaultStatus":"affected","packageName":"rsync","product":"Red Hat Enterprise Linux 10","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"0:3.4.4-1.el10_2","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:242bb30fd3bbedbe84543a386c83292ba0043e9b9a6b44759421df4c7cbc2ba6 · sha256:ff1498f4e4f2033b… · /containers/adp/1/affected/0

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:8"],"defaultStatus":"affected","packageName":"rsync","product":"Red Hat Enterprise Linux 8","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"0:3.1.3-27.el8_10","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:242bb30fd3bbedbe84543a386c83292ba0043e9b9a6b44759421df4c7cbc2ba6 · sha256:ff1498f4e4f2033b… · /containers/adp/1/affected/1

{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:discovery:2::el9"],"defaultStatus":"affected","packageName":"discovery/discovery-ui-rhel9","product":"Red Hat Discovery 2","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"1782166952","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:242bb30fd3bbedbe84543a386c83292ba0043e9b9a6b44759421df4c7cbc2ba6 · sha256:ff1498f4e4f2033b… · /containers/adp/1/affected/3

{"defaultStatus":"unaffected","packageURL":"pkg:github/RsyncProject/rsync","product":"rsync","repo":"https://github.com/RsyncProject/rsync","vendor":"RsyncProject","versions":[{"lessThan":"3.4.3","status":"affected","version":"0","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:242bb30fd3bbedbe84543a386c83292ba0043e9b9a6b44759421df4c7cbc2ba6 · sha256:ff1498f4e4f2033b… · /containers/cna/affected/0

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openshift:4"],"defaultStatus":"affected","packageName":"rhcos","product":"Red Hat OpenShift Container Platform 4","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:242bb30fd3bbedbe84543a386c83292ba0043e9b9a6b44759421df4c7cbc2ba6 · sha256:ff1498f4e4f2033b… · /containers/adp/1/affected/6

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:enterprise_linux:9","cpe:/o:redhat:enterprise_linux:9"],"defaultStatus":"affected","packageName":"rsync","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"0:3.2.5-7.el9_8.2","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:242bb30fd3bbedbe84543a386c83292ba0043e9b9a6b44759421df4c7cbc2ba6 · sha256:ff1498f4e4f2033b… · /containers/adp/1/affected/2
cvss · 3 assertions

{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:242bb30fd3bbedbe84543a386c83292ba0043e9b9a6b44759421df4c7cbc2ba6 · sha256:ff1498f4e4f2033b… · /containers/adp/1/metrics/1/cvssV3_1

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:242bb30fd3bbedbe84543a386c83292ba0043e9b9a6b44759421df4c7cbc2ba6 · sha256:ff1498f4e4f2033b… · /containers/cna/metrics/1/cvssV3_1

{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":6.1,"baseSeverity":"MEDIUM","exploitMaturity":"NOT_DEFINED","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpac…

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:242bb30fd3bbedbe84543a386c83292ba0043e9b9a6b44759421df4c7cbc2ba6 · sha256:ff1498f4e4f2033b… · /containers/cna/metrics/0/cvssV4_0
cwe · 3 assertions

{"cweId":"CWE-190","description":"Integer Overflow or Wraparound","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:242bb30fd3bbedbe84543a386c83292ba0043e9b9a6b44759421df4c7cbc2ba6 · sha256:ff1498f4e4f2033b… · /containers/adp/1/problemTypes/0/descriptions/0

{"cweId":"CWE-190","description":"Integer Overflow or Wraparound","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:242bb30fd3bbedbe84543a386c83292ba0043e9b9a6b44759421df4c7cbc2ba6 · sha256:ff1498f4e4f2033b… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-125","description":"Out-of-bounds Read","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:242bb30fd3bbedbe84543a386c83292ba0043e9b9a6b44759421df4c7cbc2ba6 · sha256:ff1498f4e4f2033b… · /containers/cna/problemTypes/0/descriptions/1

Affected products and versions

8 source assertions
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:7"],"defaultStatus":"affected","packageName":"rsync","product":"Red Hat Enterprise Linux 7","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:242bb30fd3bbedbe84543a386c83292ba0043e9b9a6b44759421df4c7cbc2ba6 · sha256:ff1498f4e4f2033b… · /containers/adp/1/affected/5
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:6"],"defaultStatus":"affected","packageName":"rsync","product":"Red Hat Enterprise Linux 6","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:242bb30fd3bbedbe84543a386c83292ba0043e9b9a6b44759421df4c7cbc2ba6 · sha256:ff1498f4e4f2033b… · /containers/adp/1/affected/4
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:10.2"],"defaultStatus":"affected","packageName":"rsync","product":"Red Hat Enterprise Linux 10","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"0:3.4.4-1.el10_2","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:242bb30fd3bbedbe84543a386c83292ba0043e9b9a6b44759421df4c7cbc2ba6 · sha256:ff1498f4e4f2033b… · /containers/adp/1/affected/0
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:8"],"defaultStatus":"affected","packageName":"rsync","product":"Red Hat Enterprise Linux 8","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"0:3.1.3-27.el8_10","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:242bb30fd3bbedbe84543a386c83292ba0043e9b9a6b44759421df4c7cbc2ba6 · sha256:ff1498f4e4f2033b… · /containers/adp/1/affected/1
{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:discovery:2::el9"],"defaultStatus":"affected","packageName":"discovery/discovery-ui-rhel9","product":"Red Hat Discovery 2","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"1782166952","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:242bb30fd3bbedbe84543a386c83292ba0043e9b9a6b44759421df4c7cbc2ba6 · sha256:ff1498f4e4f2033b… · /containers/adp/1/affected/3
{"defaultStatus":"unaffected","packageURL":"pkg:github/RsyncProject/rsync","product":"rsync","repo":"https://github.com/RsyncProject/rsync","vendor":"RsyncProject","versions":[{"lessThan":"3.4.3","status":"affected","version":"0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:242bb30fd3bbedbe84543a386c83292ba0043e9b9a6b44759421df4c7cbc2ba6 · sha256:ff1498f4e4f2033b… · /containers/cna/affected/0
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openshift:4"],"defaultStatus":"affected","packageName":"rhcos","product":"Red Hat OpenShift Container Platform 4","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:242bb30fd3bbedbe84543a386c83292ba0043e9b9a6b44759421df4c7cbc2ba6 · sha256:ff1498f4e4f2033b… · /containers/adp/1/affected/6
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:enterprise_linux:9","cpe:/o:redhat:enterprise_linux:9"],"defaultStatus":"affected","packageName":"rsync","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"0:3.2.5-7.el9_8.2","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:242bb30fd3bbedbe84543a386c83292ba0043e9b9a6b44759421df4c7cbc2ba6 · sha256:ff1498f4e4f2033b… · /containers/adp/1/affected/2

Provider-owned CVSS observations

3 source assertions
{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:242bb30fd3bbedbe84543a386c83292ba0043e9b9a6b44759421df4c7cbc2ba6 · sha256:ff1498f4e4f2033b… · /containers/adp/1/metrics/1/cvssV3_1
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:242bb30fd3bbedbe84543a386c83292ba0043e9b9a6b44759421df4c7cbc2ba6 · sha256:ff1498f4e4f2033b… · /containers/cna/metrics/1/cvssV3_1
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":6.1,"baseSeverity":"MEDIUM","exploitMaturity":"NOT_DEFINED","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpac…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:242bb30fd3bbedbe84543a386c83292ba0043e9b9a6b44759421df4c7cbc2ba6 · sha256:ff1498f4e4f2033b… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

3 source assertions
{"cweId":"CWE-190","description":"Integer Overflow or Wraparound","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:242bb30fd3bbedbe84543a386c83292ba0043e9b9a6b44759421df4c7cbc2ba6 · sha256:ff1498f4e4f2033b… · /containers/adp/1/problemTypes/0/descriptions/0
{"cweId":"CWE-190","description":"Integer Overflow or Wraparound","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:242bb30fd3bbedbe84543a386c83292ba0043e9b9a6b44759421df4c7cbc2ba6 · sha256:ff1498f4e4f2033b… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-125","description":"Out-of-bounds Read","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:242bb30fd3bbedbe84543a386c83292ba0043e9b9a6b44759421df4c7cbc2ba6 · sha256:ff1498f4e4f2033b… · /containers/cna/problemTypes/0/descriptions/1

Source references

10 source assertions
{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:26332"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:242bb30fd3bbedbe84543a386c83292ba0043e9b9a6b44759421df4c7cbc2ba6 · sha256:ff1498f4e4f2033b… · /containers/adp/1/references/3
{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:26408"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:242bb30fd3bbedbe84543a386c83292ba0043e9b9a6b44759421df4c7cbc2ba6 · sha256:ff1498f4e4f2033b… · /containers/adp/1/references/5
{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:26410"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:242bb30fd3bbedbe84543a386c83292ba0043e9b9a6b44759421df4c7cbc2ba6 · sha256:ff1498f4e4f2033b… · /containers/adp/1/references/4
{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:29197"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:242bb30fd3bbedbe84543a386c83292ba0043e9b9a6b44759421df4c7cbc2ba6 · sha256:ff1498f4e4f2033b… · /containers/adp/1/references/6
{"tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-43618"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:242bb30fd3bbedbe84543a386c83292ba0043e9b9a6b44759421df4c7cbc2ba6 · sha256:ff1498f4e4f2033b… · /containers/adp/1/references/0
{"name":"RHBZ#2469054","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2469054"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:242bb30fd3bbedbe84543a386c83292ba0043e9b9a6b44759421df4c7cbc2ba6 · sha256:ff1498f4e4f2033b… · /containers/adp/1/references/1
{"tags":["release-notes"],"url":"https://github.com/RsyncProject/rsync/releases/tag/v3.4.3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:242bb30fd3bbedbe84543a386c83292ba0043e9b9a6b44759421df4c7cbc2ba6 · sha256:ff1498f4e4f2033b… · /containers/cna/references/1
{"tags":["vendor-advisory"],"url":"https://github.com/RsyncProject/rsync/security/advisories/GHSA-g37v-g3gj-pmwq"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:242bb30fd3bbedbe84543a386c83292ba0043e9b9a6b44759421df4c7cbc2ba6 · sha256:ff1498f4e4f2033b… · /containers/cna/references/0
{"tags":["x_sadp-csaf-vex"],"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-43618.json"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:242bb30fd3bbedbe84543a386c83292ba0043e9b9a6b44759421df4c7cbc2ba6 · sha256:ff1498f4e4f2033b… · /containers/adp/1/references/2
{"tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/rsync-integer-overflow-information-disclosure"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:242bb30fd3bbedbe84543a386c83292ba0043e9b9a6b44759421df4c7cbc2ba6 · sha256:ff1498f4e4f2033b… · /containers/cna/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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