4.3

CVE-2022-34472: mozilla firefox

CVSS: 4.3v3.1MediumModified
AliasesUBUNTU-CVE-2022-34472DEBIAN-CVE-2022-34472
Published 22-12-2022Last modified 15-04-2025
Open JSON

Vulnerability summary

CVE-2022-34472 is a medium (CVSS 4.3) vulnerability in mozilla firefox. EPSS estimates a 0.59% chance of exploitation in the next 30 days, higher than 47.1% of scored vulnerabilities.

Overall risk
17/100
0100
Low · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.59%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 30 · Related 13
DLA-3064-1DSA-5172-1DSA-5175-1MGASA-2022-0251MGASA-2022-0253OPENSUSE-SU-2024:12161-1

Timeline

  1. 22-12-2022
    PublishedVulnerability first disclosed.
  2. 15-04-2025
    Last modifiedVulnerability information updated.

Description

If there was a PAC URL set and the server that hosts the PAC was not reachable, OCSP requests would have been blocked, resulting in incorrect error pages being shown. This vulnerability affects Firefox < 102, Firefox ESR < 91.11, Thunderbird < 102, and Thunderbird < 91.11.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.59%

Chance of exploitation in the next 30 days

Percentile

47%

Versus all other CVEs

30-day change

+0.01 pp

From 0.58% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.59%

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

Mozilla3 products
  • firefox≥ unspecified, < 102 | < 102.0
  • firefox_esr≥ unspecified, < 91.11 | < 91.11
  • thunderbird≥ unspecified, < 102 | ≥ unspecified, < 91.11 | < 91.11
Debian2 products
  • firefox-esr< 91.11.0esr-1
  • thunderbird< 1:91.11.0-1
Ubuntu2 products
  • firefox< 102.0+build2-0ubuntu0.18.04.1 | < 102.0+build2-0ubuntu0.20.04.1
  • thunderbird< 1:91.11.0+build2-0ubuntu0.18.04.1 | < 1:91.11.0+build2-0ubuntu0.20.04.1 | < 1:91.11.0+build2-0ubuntu0.22.04.1

3 vendors · 7 products

References

10 links