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CVE-2026-6779

Other issue in the JavaScript Engine component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:3fa46f0924c3197da4353dfb26062b9d63138def658a186281c83ac7149878c7
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"product":"Thunderbird","vendor":"Mozilla","versions":[{"lessThanOrEqual":"*","status":"unaffected","version":"150","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f877cc0ed70c120a27322bf2d94953cf8430099daad67d9a6d1799cb8969dd91 · sha256:f9c313731571c1a2… · /containers/cna/affected/1

{"product":"Firefox","vendor":"Mozilla","versions":[{"lessThanOrEqual":"*","status":"unaffected","version":"150","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f877cc0ed70c120a27322bf2d94953cf8430099daad67d9a6d1799cb8969dd91 · sha256:f9c313731571c1a2… · /containers/cna/affected/0
cwe · 3 assertions

{"cweId":"CWE-79","description":"CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f877cc0ed70c120a27322bf2d94953cf8430099daad67d9a6d1799cb8969dd91 · sha256:f9c313731571c1a2… · /containers/adp/0/problemTypes/2/descriptions/0

{"cweId":"CWE-119","description":"CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f877cc0ed70c120a27322bf2d94953cf8430099daad67d9a6d1799cb8969dd91 · sha256:f9c313731571c1a2… · /containers/adp/0/problemTypes/0/descriptions/0

{"cweId":"CWE-20","description":"CWE-20 Improper Input Validation","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f877cc0ed70c120a27322bf2d94953cf8430099daad67d9a6d1799cb8969dd91 · sha256:f9c313731571c1a2… · /containers/adp/0/problemTypes/1/descriptions/0

Affected products and versions

2 source assertions
{"product":"Thunderbird","vendor":"Mozilla","versions":[{"lessThanOrEqual":"*","status":"unaffected","version":"150","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f877cc0ed70c120a27322bf2d94953cf8430099daad67d9a6d1799cb8969dd91 · sha256:f9c313731571c1a2… · /containers/cna/affected/1
{"product":"Firefox","vendor":"Mozilla","versions":[{"lessThanOrEqual":"*","status":"unaffected","version":"150","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f877cc0ed70c120a27322bf2d94953cf8430099daad67d9a6d1799cb8969dd91 · sha256:f9c313731571c1a2… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f877cc0ed70c120a27322bf2d94953cf8430099daad67d9a6d1799cb8969dd91 · sha256:f9c313731571c1a2… · /containers/adp/0/metrics/0/cvssV3_1

CWE assertions

3 source assertions
{"cweId":"CWE-79","description":"CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f877cc0ed70c120a27322bf2d94953cf8430099daad67d9a6d1799cb8969dd91 · sha256:f9c313731571c1a2… · /containers/adp/0/problemTypes/2/descriptions/0
{"cweId":"CWE-119","description":"CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f877cc0ed70c120a27322bf2d94953cf8430099daad67d9a6d1799cb8969dd91 · sha256:f9c313731571c1a2… · /containers/adp/0/problemTypes/0/descriptions/0
{"cweId":"CWE-20","description":"CWE-20 Improper Input Validation","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f877cc0ed70c120a27322bf2d94953cf8430099daad67d9a6d1799cb8969dd91 · sha256:f9c313731571c1a2… · /containers/adp/0/problemTypes/1/descriptions/0

Source references

3 source assertions
{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=2023343"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f877cc0ed70c120a27322bf2d94953cf8430099daad67d9a6d1799cb8969dd91 · sha256:f9c313731571c1a2… · /containers/cna/references/0
{"url":"https://www.mozilla.org/security/advisories/mfsa2026-30/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f877cc0ed70c120a27322bf2d94953cf8430099daad67d9a6d1799cb8969dd91 · sha256:f9c313731571c1a2… · /containers/cna/references/1
{"url":"https://www.mozilla.org/security/advisories/mfsa2026-33/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f877cc0ed70c120a27322bf2d94953cf8430099daad67d9a6d1799cb8969dd91 · sha256:f9c313731571c1a2… · /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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