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CVE-2026-8968

Denial-of-service due to invalid pointer in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:7d390f07c29802aa76775c010dfc3a6e6a44dc3eb91dfcffa528ccfc9cfa4cf5
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"product":"Thunderbird","vendor":"Mozilla","versions":[{"lessThanOrEqual":"140.*","status":"unaffected","version":"140.11","versionType":"rpm"},{"lessThanOrEqual":"*","status":"unaffected","version":"151","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:c7b6a595cea1fa196f5e82d6756c1ccbf1dbdfed4aab7ff3873ef0145fa83fad · sha256:103a52d02f943d94… · /containers/cna/affected/1

{"product":"Firefox","vendor":"Mozilla","versions":[{"lessThanOrEqual":"140.*","status":"unaffected","version":"140.11","versionType":"rpm"},{"lessThanOrEqual":"*","status":"unaffected","version":"151","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:c7b6a595cea1fa196f5e82d6756c1ccbf1dbdfed4aab7ff3873ef0145fa83fad · sha256:103a52d02f943d94… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"product":"Thunderbird","vendor":"Mozilla","versions":[{"lessThanOrEqual":"140.*","status":"unaffected","version":"140.11","versionType":"rpm"},{"lessThanOrEqual":"*","status":"unaffected","version":"151","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:c7b6a595cea1fa196f5e82d6756c1ccbf1dbdfed4aab7ff3873ef0145fa83fad · sha256:103a52d02f943d94… · /containers/cna/affected/1
{"product":"Firefox","vendor":"Mozilla","versions":[{"lessThanOrEqual":"140.*","status":"unaffected","version":"140.11","versionType":"rpm"},{"lessThanOrEqual":"*","status":"unaffected","version":"151","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:c7b6a595cea1fa196f5e82d6756c1ccbf1dbdfed4aab7ff3873ef0145fa83fad · sha256:103a52d02f943d94… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:c7b6a595cea1fa196f5e82d6756c1ccbf1dbdfed4aab7ff3873ef0145fa83fad · sha256:103a52d02f943d94… · /containers/adp/0/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-400","description":"CWE-400 Uncontrolled Resource Consumption","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:c7b6a595cea1fa196f5e82d6756c1ccbf1dbdfed4aab7ff3873ef0145fa83fad · sha256:103a52d02f943d94… · /containers/adp/0/problemTypes/0/descriptions/0

Source references

5 source assertions
{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=2030467"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c7b6a595cea1fa196f5e82d6756c1ccbf1dbdfed4aab7ff3873ef0145fa83fad · sha256:103a52d02f943d94… · /containers/cna/references/0
{"url":"https://www.mozilla.org/security/advisories/mfsa2026-46/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c7b6a595cea1fa196f5e82d6756c1ccbf1dbdfed4aab7ff3873ef0145fa83fad · sha256:103a52d02f943d94… · /containers/cna/references/1
{"url":"https://www.mozilla.org/security/advisories/mfsa2026-48/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c7b6a595cea1fa196f5e82d6756c1ccbf1dbdfed4aab7ff3873ef0145fa83fad · sha256:103a52d02f943d94… · /containers/cna/references/2
{"url":"https://www.mozilla.org/security/advisories/mfsa2026-50/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c7b6a595cea1fa196f5e82d6756c1ccbf1dbdfed4aab7ff3873ef0145fa83fad · sha256:103a52d02f943d94… · /containers/cna/references/3
{"url":"https://www.mozilla.org/security/advisories/mfsa2026-51/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c7b6a595cea1fa196f5e82d6756c1ccbf1dbdfed4aab7ff3873ef0145fa83fad · sha256:103a52d02f943d94… · /containers/cna/references/4

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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