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CVE-2026-12313

Information disclosure, sandbox escape in the Security: Process Sandboxing component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:7ce6c2af87266e6766fbbbae63ecb92a0130cea3b2531e4976f60108481f99e3
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":"140.12","versionType":"rpm"},{"lessThanOrEqual":"*","status":"unaffected","version":"152","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6701457c7cd161af1da390b46cafa338b1bdb174ce73fd9afba9964b76322837 · sha256:222880d091a80b1c… · /containers/cna/affected/1

{"product":"Firefox","vendor":"Mozilla","versions":[{"lessThanOrEqual":"140.*","status":"unaffected","version":"140.12","versionType":"rpm"},{"lessThanOrEqual":"*","status":"unaffected","version":"152","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6701457c7cd161af1da390b46cafa338b1bdb174ce73fd9afba9964b76322837 · sha256:222880d091a80b1c… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"product":"Thunderbird","vendor":"Mozilla","versions":[{"lessThanOrEqual":"140.*","status":"unaffected","version":"140.12","versionType":"rpm"},{"lessThanOrEqual":"*","status":"unaffected","version":"152","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6701457c7cd161af1da390b46cafa338b1bdb174ce73fd9afba9964b76322837 · sha256:222880d091a80b1c… · /containers/cna/affected/1
{"product":"Firefox","vendor":"Mozilla","versions":[{"lessThanOrEqual":"140.*","status":"unaffected","version":"140.12","versionType":"rpm"},{"lessThanOrEqual":"*","status":"unaffected","version":"152","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6701457c7cd161af1da390b46cafa338b1bdb174ce73fd9afba9964b76322837 · sha256:222880d091a80b1c… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.7,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:6701457c7cd161af1da390b46cafa338b1bdb174ce73fd9afba9964b76322837 · sha256:222880d091a80b1c… · /containers/adp/0/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-269","description":"CWE-269 Improper Privilege Management","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:6701457c7cd161af1da390b46cafa338b1bdb174ce73fd9afba9964b76322837 · sha256:222880d091a80b1c… · /containers/adp/0/problemTypes/0/descriptions/0

Source references

5 source assertions
{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=2040477"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6701457c7cd161af1da390b46cafa338b1bdb174ce73fd9afba9964b76322837 · sha256:222880d091a80b1c… · /containers/cna/references/0
{"url":"https://www.mozilla.org/security/advisories/mfsa2026-57/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6701457c7cd161af1da390b46cafa338b1bdb174ce73fd9afba9964b76322837 · sha256:222880d091a80b1c… · /containers/cna/references/1
{"url":"https://www.mozilla.org/security/advisories/mfsa2026-58/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6701457c7cd161af1da390b46cafa338b1bdb174ce73fd9afba9964b76322837 · sha256:222880d091a80b1c… · /containers/cna/references/2
{"url":"https://www.mozilla.org/security/advisories/mfsa2026-60/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6701457c7cd161af1da390b46cafa338b1bdb174ce73fd9afba9964b76322837 · sha256:222880d091a80b1c… · /containers/cna/references/3
{"url":"https://www.mozilla.org/security/advisories/mfsa2026-61/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6701457c7cd161af1da390b46cafa338b1bdb174ce73fd9afba9964b76322837 · sha256:222880d091a80b1c… · /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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