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TI-2024-05290 Aliases CVE-2024-5695GHSA-gfgx-4754-9hhp

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

If an out-of-memory condition occurs at a specific point using allocations in the probabilistic heap checker, an assertion could have been triggered, and in rarer situations, memory corruption could have occurred. This vulnerability affects Firefox < 127.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00577 47th percentileScored 2026-11-07
Fix Fixed Firefox (Mozilla): 127

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 127127Patch availableCNA
  • Firefox VendorMozilla Affected before 127 Fixed in 127 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*before 127.0VulnerableMozilla
  • cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* Versions before 127.0 Vulnerable ·Mozilla

Remediation

  • Fix · CNA Firefox (Mozilla) Fixed in 127

Fixed in the same release

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

  • Release ·

    Mozilla Firefox 127

    15 records Highest priority Priority MEDIUM 5 MEDIUM, 10 LOW

    Other records, highest priority first

    • TI-2024-05296 Out-of-bounds write in Mozilla FirefoxPriority MEDIUM 50
    • TI-2024-05294 In violation of spec, cookie prefixes such as `__Secure` were being ignored if they were…Priority MEDIUM 50
    • TI-2024-05291 Out-of-bounds write in Mozilla FirefoxPriority MEDIUM 41
    Show all 15 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-5695
  2. 2026-10-03 Alias added: GHSA-gfgx-4754-9hhp

References

Advisory 1

Other 1

  • 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

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences