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TI-2022-15379 Aliases CVE-2022-34485GHSA-c8rg-fhg7-c5p9

Out-of-bounds write in Mozilla Firefox

Priority MEDIUM 50CWE-787Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

Mozilla developers Bryce Seager van Dyk and the Mozilla Fuzzing Team reported potential vulnerabilities present in Firefox 101. 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 affects Firefox < 102.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0072 54th percentileScored 2026-11-07
Fix Fixed Firefox (Mozilla): 102

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MozillaFirefoxbefore 102102Patch availableCNA
  • Firefox VendorMozilla Affected before 102 Fixed in 102 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:mozilla:firefox:101.0:*:*:*:*:*:*:*101.0VulnerableMozilla
cpe:2.3:a:mozilla:firefox:101.0.1:*:*:*:*:*:*:*101.0.1VulnerableMozilla
  • cpe:2.3:a:mozilla:firefox:101.0:*:*:*:*:*:*:* Versions 101.0 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox:101.0.1:*:*:*:*:*:*:* Versions 101.0.1 Vulnerable ·Mozilla

Remediation

  • Fix · CNA Firefox (Mozilla) Fixed in 102

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Mozilla Firefox 102

    19 records Highest priority Priority HIGH 6 HIGH, 7 MEDIUM, 6 LOW

    Other records, highest priority first

    • TI-2022-15364 Use after free in Mozilla FirefoxPriority HIGH 82
    • TI-2022-15378 Use after free in Mozilla FirefoxPriority HIGH 73
    • TI-2022-15376 Unrestricted file upload in Mozilla FirefoxPriority HIGH 73

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-34485
  2. 2026-10-03 Alias added: GHSA-c8rg-fhg7-c5p9

References

  • TI-2024-08981 Use after free in Mozilla Firefox KEVCVSS 3.1CRITICAL 9.8
  • TI-2022-09832 Use after free in Mozilla Firefox KEVCVSS 3.1CRITICAL 9.6
  • TI-2019-08769 Improper input validation in Mozilla Firefox ESR KEVCVSS 3.1CRITICAL 10.0
  • TI-2010-03577 Mozilla Firefox 3.5.x through 3.5.14 and 3.6.x through 3.6.11, Thunderbird 3.1.6 before… KEVCVSS 3.1CRITICAL 9.8
  • TI-2023-04799 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
  • TI-2023-04477 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
See all 3444 →

Sources