CVE-2024-3859 Affecting firefox-esr package, versions <115.10.0esr-1


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.04% (12th percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-FIREFOXESR-6615951
  • published17 Apr 2024
  • disclosed16 Apr 2024

Introduced: 16 Apr 2024

CVE-2024-3859  (opens in a new tab)

How to fix?

Upgrade Debian:unstable firefox-esr to version 115.10.0esr-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox-esr package and not the firefox-esr package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

On 32-bit versions there were integer-overflows that led to an out-of-bounds-read that potentially could be triggered by a malformed OpenType font. This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115.10.

CVSS Scores

version 3.1