🛡️ CVE-2024-7526 on Debian — firefox-esr

⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

Distribution advisory

This page covers CVE-2024-7526 as tracked by Debian, for the package firefox-esr. The fix is available in version 115.14.0esr-1; earlier versions remain affected.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. A user must be tricked into taking some action. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity none, availability none.

Weakness class

DEBIAN-CVE-2024-7526 is classified as CWE-908: Use of Uninitialized Resource. A resource is read before being initialised, so its contents are whatever was left there.

Affected software

DEBIAN-CVE-2024-7526 is recorded against 2 packages.

  • firefox-esr (fixed in 115.14.0esr-1)
  • thunderbird (fixed in 1:128.1.0esr-1)

Timeline and source

Published on 6 August 2024 and last revised on 4 August 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

security-tracker.debian.org (Advisory)

CVE-2024-7526 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity Unknown
CVSS Score N/A
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2024-08-06
Updated 2026-08-12
Modified 2026-08-04
Fix URL N/A

Affected Packages

Software From version Fixed in
firefox-esr — 115.14.0esr-1
thunderbird — 1:128.1.0esr-1

Similar Threats

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