TI-2022-13644 Aliases CVE-2022-31748 GHSA-3m72-27jq-pc52

Memory corruption in Mozilla Firefox

MEDIUM 50CWE-119Published 2022-12-22 · Updated 2025-04-15

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-119 and the CVSS impact.

Summary

Mozilla developers Gabriele Svelto, Timothy Nikkel, Randell Jesup, Jon Coppeard, and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 100. 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 < 101.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00699 53rd percentileScored 2026-11-07

Fix Fixed Firefox (Mozilla): 101

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

Vendor	Product	Affected versions	Fixed in	Status	Source
Mozilla	Firefox	before 101	101	Patch available	CNA

Firefox VendorMozilla Affected before 101 Fixed in 101 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:mozilla:firefox::::::::	before 101	Vulnerable	Mozilla

cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* Versions before 101 Vulnerable ·Mozilla

Remediation

Fix · CNA Firefox (Mozilla) Fixed in 101

Fixed in the same release

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

Release · 2022-12-22
Mozilla Firefox 101
12 records Highest priority Priority HIGH 2 HIGH, 10 MEDIUM
Other records, highest priority first
- TI-2022-13633 Out-of-bounds write in Mozilla ThunderbirdPriority HIGH 82
- TI-2022-13637 Use of uninitialized resource in Mozilla ThunderbirdPriority HIGH 73
- TI-2022-13640 Cross-site scripting in Mozilla Firefox ESRPriority MEDIUM 62
Show all 12 records →

Timeline

2026-10-02 Threatist record created from CVE-2022-31748
2026-10-03 Alias added: GHSA-3m72-27jq-pc52

References

Advisory 1

https://www.mozilla.org/security/advisories/mfsa2022-20/

Other 1

https://bugzilla.mozilla.org/buglist.cgi?bug_id=1713773%2C1762201%2C1762469%2C1762770%2C1764878%2C1765226%2C1765782%2C1765973%2C1767177%2C1767181%2C1768232%2C1768251%2C1769869

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