VulnerabilityAnalyzed
CVE-2024-4770
When saving a page to PDF, certain font styles could have led to a potential use-after-free crash.
HIGH 8.8EPSS 0.59%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.59%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 0.59% probability · 46th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- mozilla/firefox · mozilla/thunderbird
- Source
- security@mozilla.org
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1893270Exploit, Issue Tracking, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2024/05/msg00010.htmlMailing List
- https://lists.debian.org/debian-lts-announce/2024/05/msg00012.htmlMailing List
- 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/Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1893270Exploit, Issue Tracking, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2024/05/msg00010.htmlMailing List
- https://lists.debian.org/debian-lts-announce/2024/05/msg00012.htmlMailing List
- 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/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.