9.8

CVE-2022-31737: mozilla firefox Out-of-bounds Write

CVSS: 9.8v3.1CriticalModified
AliasesUBUNTU-CVE-2022-31737DEBIAN-CVE-2022-31737
Published 22-12-2022Last modified 16-04-2025

Vulnerability summary

CVE-2022-31737 is a critical (CVSS 9.8) Out-of-bounds Write vulnerability in mozilla firefox. EPSS estimates a 0.84% chance of exploitation in the next 30 days, higher than 57% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
0.84%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 27 · Related 9

Timeline

  1. 22-12-2022
    PublishedVulnerability first disclosed.
  2. 16-04-2025
    Last modifiedVulnerability information updated.

Description

A malicious webpage could have caused an out-of-bounds write in WebGL, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 91.10, Firefox < 101, and Firefox ESR < 91.10.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.84%

Chance of exploitation in the next 30 days

Percentile

57%

Versus all other CVEs

30-day change

+0.02 pp

From 0.81% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.84%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ubuntu7 products
  • firefox< 101.0.1+build1-0ubuntu0.18.04.1 | < 101.0.1+build1-0ubuntu0.20.04.1
  • mozjs38All versions (No fix recorded)
  • mozjs52All versions (No fix recorded)
  • mozjs68All versions (No fix recorded)
  • mozjs78All versions (No fix recorded)
Mozilla3 products
Debian2 products
  • firefox-esr< 91.10.0esr-1
  • thunderbird< 1:91.10.0-1

3 vendors · 12 products

References

12 links
Show all 12 references