CVE-2024-4770

HIGH

Firefox < 126 and ESR < 115.11 - Use-After-Free in PDF Page Save

Title source: llm

Description

When saving a page to PDF, certain font styles could have led to a potential use-after-free crash. This vulnerability affects Firefox < 126, Firefox ESR < 115.11, and Thunderbird < 115.11.

References (6)

Core 6

Core References

Exploit, Issue Tracking, Vendor Advisory

https://bugzilla.mozilla.org/show_bug.cgi?id=1893270

Mailing List

https://lists.debian.org/debian-lts-announce/2024/05/msg00010.html

Mailing List

https://lists.debian.org/debian-lts-announce/2024/05/msg00012.html

Vendor Advisory

https://www.mozilla.org/security/advisories/mfsa2024-21/

Vendor Advisory

https://www.mozilla.org/security/advisories/mfsa2024-22/

Vendor Advisory

https://www.mozilla.org/security/advisories/mfsa2024-23/

Scores

CVSS v3 8.8

EPSS 0.0046

EPSS Percentile 64.5%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-416

Status published

Products (3)

mozilla/firefox < 115.11.0

mozilla/firefox < 126.0

mozilla/thunderbird < 115.11.0

Published May 14, 2024

Tracked Since Feb 18, 2026