6.5

CVE-2023-29548: mozilla firefox

CVSS: 6.5v3.1MediumModified
AliasesUBUNTU-CVE-2023-29548DEBIAN-CVE-2023-29548
Published 02-06-2023Last modified 10-01-2025

Vulnerability summary

CVE-2023-29548 is a medium (CVSS 6.5) vulnerability in mozilla firefox. EPSS estimates a 0.69% chance of exploitation in the next 30 days, higher than 52% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.69%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 31 · Related 10

Timeline

  1. 02-06-2023
    PublishedVulnerability first disclosed.
  2. 10-01-2025
    Last modifiedVulnerability information updated.

Description

A wrong lowering instruction in the ARM64 Ion compiler resulted in a wrong optimization result. This vulnerability affects Firefox < 112, Focus for Android < 112, Firefox ESR < 102.10, Firefox for Android < 112, and Thunderbird < 102.10.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.69%

Chance of exploitation in the next 30 days

Percentile

52%

Versus all other CVEs

30-day change

0.00 pp

From 0.69% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.69%

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

No weakness data has been published for this record.

Affected systems

Ubuntu8 products
  • firefox< 112.0+build2-0ubuntu0.18.04.1 | < 112.0+build2-0ubuntu0.20.04.1
  • mozjs102< 102.11.0-0ubuntu0.22.04.1
  • mozjs38All versions (No fix recorded)
  • mozjs52All versions (No fix recorded)
  • mozjs68All versions (No fix recorded)
Mozilla7 products
Debian2 products
  • firefox-esr< 102.10.0esr-1
  • thunderbird< 1:102.10.0-1

3 vendors · 17 products

References

13 links
Show all 13 references