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CVE-2026-16380

Mitigation bypass in the Networking component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:b01d350342f6704e0a960af816583abb561402e3858f48df7e545cb950c4436f
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":"*","status":"unaffected","version":"153","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3a6e272a5d6af4b9e33e00d1f8988ead57850594a073f9996a710766bb2a8782 · sha256:46cc724ca2755190… · /containers/cna/affected/1

{"product":"Firefox","vendor":"Mozilla","versions":[{"lessThanOrEqual":"*","status":"unaffected","version":"153","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3a6e272a5d6af4b9e33e00d1f8988ead57850594a073f9996a710766bb2a8782 · sha256:46cc724ca2755190… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"product":"Thunderbird","vendor":"Mozilla","versions":[{"lessThanOrEqual":"*","status":"unaffected","version":"153","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3a6e272a5d6af4b9e33e00d1f8988ead57850594a073f9996a710766bb2a8782 · sha256:46cc724ca2755190… · /containers/cna/affected/1
{"product":"Firefox","vendor":"Mozilla","versions":[{"lessThanOrEqual":"*","status":"unaffected","version":"153","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3a6e272a5d6af4b9e33e00d1f8988ead57850594a073f9996a710766bb2a8782 · sha256:46cc724ca2755190… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":9.1,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:3a6e272a5d6af4b9e33e00d1f8988ead57850594a073f9996a710766bb2a8782 · sha256:46cc724ca2755190… · /containers/adp/0/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-693","description":"CWE-693 Protection Mechanism Failure","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:3a6e272a5d6af4b9e33e00d1f8988ead57850594a073f9996a710766bb2a8782 · sha256:46cc724ca2755190… · /containers/adp/0/problemTypes/0/descriptions/0

Source references

3 source assertions
{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=2040386"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3a6e272a5d6af4b9e33e00d1f8988ead57850594a073f9996a710766bb2a8782 · sha256:46cc724ca2755190… · /containers/cna/references/0
{"url":"https://www.mozilla.org/security/advisories/mfsa2026-68/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3a6e272a5d6af4b9e33e00d1f8988ead57850594a073f9996a710766bb2a8782 · sha256:46cc724ca2755190… · /containers/cna/references/1
{"url":"https://www.mozilla.org/security/advisories/mfsa2026-71/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3a6e272a5d6af4b9e33e00d1f8988ead57850594a073f9996a710766bb2a8782 · sha256:46cc724ca2755190… · /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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