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CVE-2026-3847

Memory safety bugs present in Firefox 148.0.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 148.0.2.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:7a4a8c97083bfe6bde590a05a7cfc424d1571460b725cf2ab317d754d450df51
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"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:cac32d0c274374fd11a99957180d484c1cf1818633027915da78375a2a18101a · sha256:c3c501d6923c1a19… · /containers/adp/0/problemTypes/0/descriptions/0

{"cweId":"CWE-416","description":"CWE-416 Use After Free","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:cac32d0c274374fd11a99957180d484c1cf1818633027915da78375a2a18101a · sha256:c3c501d6923c1a19… · /containers/adp/0/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"product":"Firefox","vendor":"Mozilla","versions":[{"lessThanOrEqual":"*","status":"unaffected","version":"148.0.2","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cac32d0c274374fd11a99957180d484c1cf1818633027915da78375a2a18101a · sha256:c3c501d6923c1a19… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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:cac32d0c274374fd11a99957180d484c1cf1818633027915da78375a2a18101a · sha256:c3c501d6923c1a19… · /containers/adp/0/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"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:cac32d0c274374fd11a99957180d484c1cf1818633027915da78375a2a18101a · sha256:c3c501d6923c1a19… · /containers/adp/0/problemTypes/0/descriptions/0
{"cweId":"CWE-416","description":"CWE-416 Use After Free","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:cac32d0c274374fd11a99957180d484c1cf1818633027915da78375a2a18101a · sha256:c3c501d6923c1a19… · /containers/adp/0/problemTypes/1/descriptions/0

Source references

2 source assertions
{"name":"Memory safety bugs fixed in Firefox 148.0.2","url":"https://bugzilla.mozilla.org/buglist.cgi?bug_id=2017513%2C2017622%2C2019341"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:cac32d0c274374fd11a99957180d484c1cf1818633027915da78375a2a18101a · sha256:c3c501d6923c1a19… · /containers/cna/references/0
{"url":"https://www.mozilla.org/security/advisories/mfsa2026-19/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:cac32d0c274374fd11a99957180d484c1cf1818633027915da78375a2a18101a · sha256:c3c501d6923c1a19… · /containers/cna/references/1

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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