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CVE-2026-47783

A flaw was found in memcached. A remote attacker can exploit a timing side channel during Simple Authentication and Security Layer (SASL) password database authentication. This vulnerability allows an attacker to observe subtle timing differences, which could be used to enumerate valid usernames.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:9b593725d3b9abb76934b83a5e470afc2af5b2ba7b8a21daa9d4cb80db418021
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 6 assertions

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:8"],"defaultStatus":"affected","packageName":"memcached","product":"Red Hat Enterprise Linux 8","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f75ea07b8f1b61a931b2cc049757839b3faeabca2e91837c33d425e80ef2eafd · sha256:431784a397f65b06… · /containers/adp/1/affected/4

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

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f75ea07b8f1b61a931b2cc049757839b3faeabca2e91837c33d425e80ef2eafd · sha256:431784a397f65b06… · /containers/adp/1/affected/2

{"defaultStatus":"unaffected","product":"memcached","vendor":"memcached","versions":[{"lessThan":"1.6.42","status":"affected","version":"0","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f75ea07b8f1b61a931b2cc049757839b3faeabca2e91837c33d425e80ef2eafd · sha256:431784a397f65b06… · /containers/cna/affected/0

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:10.2"],"defaultStatus":"affected","packageName":"memcached","product":"Red Hat Enterprise Linux 10","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"0:1.6.23-7.el10_2.1","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f75ea07b8f1b61a931b2cc049757839b3faeabca2e91837c33d425e80ef2eafd · sha256:431784a397f65b06… · /containers/adp/1/affected/0

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

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f75ea07b8f1b61a931b2cc049757839b3faeabca2e91837c33d425e80ef2eafd · sha256:431784a397f65b06… · /containers/adp/1/affected/3

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:enterprise_linux:9"],"defaultStatus":"affected","packageName":"memcached","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"0:1.6.9-7.el9_8.1","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f75ea07b8f1b61a931b2cc049757839b3faeabca2e91837c33d425e80ef2eafd · sha256:431784a397f65b06… · /containers/adp/1/affected/1
cwe · 2 assertions

{"cweId":"CWE-208","description":"Observable Timing Discrepancy","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f75ea07b8f1b61a931b2cc049757839b3faeabca2e91837c33d425e80ef2eafd · sha256:431784a397f65b06… · /containers/adp/1/problemTypes/0/descriptions/0

{"cweId":"CWE-208","description":"CWE-208 Observable Timing Discrepancy","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f75ea07b8f1b61a931b2cc049757839b3faeabca2e91837c33d425e80ef2eafd · sha256:431784a397f65b06… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

6 source assertions
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:8"],"defaultStatus":"affected","packageName":"memcached","product":"Red Hat Enterprise Linux 8","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f75ea07b8f1b61a931b2cc049757839b3faeabca2e91837c33d425e80ef2eafd · sha256:431784a397f65b06… · /containers/adp/1/affected/4
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:6"],"defaultStatus":"affected","packageName":"memcached","product":"Red Hat Enterprise Linux 6","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f75ea07b8f1b61a931b2cc049757839b3faeabca2e91837c33d425e80ef2eafd · sha256:431784a397f65b06… · /containers/adp/1/affected/2
{"defaultStatus":"unaffected","product":"memcached","vendor":"memcached","versions":[{"lessThan":"1.6.42","status":"affected","version":"0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f75ea07b8f1b61a931b2cc049757839b3faeabca2e91837c33d425e80ef2eafd · sha256:431784a397f65b06… · /containers/cna/affected/0
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:10.2"],"defaultStatus":"affected","packageName":"memcached","product":"Red Hat Enterprise Linux 10","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"0:1.6.23-7.el10_2.1","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f75ea07b8f1b61a931b2cc049757839b3faeabca2e91837c33d425e80ef2eafd · sha256:431784a397f65b06… · /containers/adp/1/affected/0
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:7"],"defaultStatus":"affected","packageName":"memcached","product":"Red Hat Enterprise Linux 7","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f75ea07b8f1b61a931b2cc049757839b3faeabca2e91837c33d425e80ef2eafd · sha256:431784a397f65b06… · /containers/adp/1/affected/3
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:enterprise_linux:9"],"defaultStatus":"affected","packageName":"memcached","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"0:1.6.9-7.el9_8.1","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f75ea07b8f1b61a931b2cc049757839b3faeabca2e91837c33d425e80ef2eafd · sha256:431784a397f65b06… · /containers/adp/1/affected/1

Provider-owned CVSS observations

2 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:f75ea07b8f1b61a931b2cc049757839b3faeabca2e91837c33d425e80ef2eafd · sha256:431784a397f65b06… · /containers/cna/metrics/0/cvssV3_1
{"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:f75ea07b8f1b61a931b2cc049757839b3faeabca2e91837c33d425e80ef2eafd · sha256:431784a397f65b06… · /containers/adp/1/metrics/1/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-208","description":"Observable Timing Discrepancy","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f75ea07b8f1b61a931b2cc049757839b3faeabca2e91837c33d425e80ef2eafd · sha256:431784a397f65b06… · /containers/adp/1/problemTypes/0/descriptions/0
{"cweId":"CWE-208","description":"CWE-208 Observable Timing Discrepancy","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f75ea07b8f1b61a931b2cc049757839b3faeabca2e91837c33d425e80ef2eafd · sha256:431784a397f65b06… · /containers/cna/problemTypes/0/descriptions/0

Source references

8 source assertions
{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:27842"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f75ea07b8f1b61a931b2cc049757839b3faeabca2e91837c33d425e80ef2eafd · sha256:431784a397f65b06… · /containers/adp/1/references/3
{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:27862"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f75ea07b8f1b61a931b2cc049757839b3faeabca2e91837c33d425e80ef2eafd · sha256:431784a397f65b06… · /containers/adp/1/references/4
{"tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-47783"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f75ea07b8f1b61a931b2cc049757839b3faeabca2e91837c33d425e80ef2eafd · sha256:431784a397f65b06… · /containers/adp/1/references/0
{"name":"RHBZ#2480089","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2480089"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f75ea07b8f1b61a931b2cc049757839b3faeabca2e91837c33d425e80ef2eafd · sha256:431784a397f65b06… · /containers/adp/1/references/1
{"url":"https://github.com/memcached/memcached/commit/d13f282b4bce33a9c33b8a1bbf07f12114160fed"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f75ea07b8f1b61a931b2cc049757839b3faeabca2e91837c33d425e80ef2eafd · sha256:431784a397f65b06… · /containers/cna/references/0
{"url":"https://github.com/memcached/memcached/compare/1.6.41...1.6.42"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f75ea07b8f1b61a931b2cc049757839b3faeabca2e91837c33d425e80ef2eafd · sha256:431784a397f65b06… · /containers/cna/references/1
{"url":"https://github.com/memcached/memcached/wiki/ReleaseNotes1642"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f75ea07b8f1b61a931b2cc049757839b3faeabca2e91837c33d425e80ef2eafd · sha256:431784a397f65b06… · /containers/cna/references/2
{"tags":["x_sadp-csaf-vex"],"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-47783.json"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f75ea07b8f1b61a931b2cc049757839b3faeabca2e91837c33d425e80ef2eafd · sha256:431784a397f65b06… · /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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