7.5

CVE-2024-7526: mozilla firefox Use of Uninitialized Resource

CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2024-7526DEBIAN-CVE-2024-7526CGA-pxg4-qg3h-2gfh
Published 06-08-2024Last modified 17-09-2024

Vulnerability summary

CVE-2024-7526 is a high (CVSS 7.5) Use of Uninitialized Resource vulnerability in mozilla firefox. EPSS estimates a 0.58% chance of exploitation in the next 30 days, higher than 46.6% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
0.58%
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 12

Timeline

  1. 06-08-2024
    PublishedVulnerability first disclosed.
  2. 17-09-2024
    Last modifiedVulnerability information updated.

Description

ANGLE failed to initialize parameters which lead to reading from uninitialized memory. This could be leveraged to leak sensitive data from memory. This vulnerability affects Firefox < 129, Firefox ESR < 115.14, Firefox ESR < 128.1, Thunderbird < 128.1, and Thunderbird < 115.14.

CVSS metrics

6 scores · 6 sources · 1 version

EPSS trend

Probability

0.58%

Chance of exploitation in the next 30 days

Percentile

47%

Versus all other CVEs

30-day change

0.00 pp

From 0.58% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.58%

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

Ubuntu9 products
  • firefox< 129.0.1+build1-0ubuntu0.20.04.1
  • mozjs102All versions (No fix recorded)
  • mozjs115All versions (No fix recorded)
  • mozjs38All versions (No fix recorded)
  • mozjs52All versions (No fix recorded)
Mozilla3 products
  • firefox≥ unspecified, < 129 | < 129.0
  • firefox_esr≥ unspecified, < 115.14 | ≥ unspecified, < 128.1 | < 115.14.0 | 128.0
  • thunderbird≥ unspecified, < 128.1 | ≥ unspecified, < 115.14 | < 115.14.0 | 128.0.1
Chainguard2 products
  • firefox< 129.0.2-r0
  • firefox-esr< 128.1.0-r0
Debian2 products
  • firefox-esr< 115.14.0esr-1~deb12u1 | < 115.14.0esr-1
  • thunderbird< 1:115.14.0-1~deb12u1 | < 1:128.1.0esr-1
Wolfi1 product
  • firefox< 129.0.2-r0

5 vendors · 17 products

References

13 links
Show all 13 references