Vulnerability Description
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 Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 115.10 |
| Mozilla | Thunderbird | < 115.10 |
| Debian | Debian Linux | 10.0 |
Related Weaknesses (CWE)
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1874489Issue Tracking
- https://lists.debian.org/debian-lts-announce/2024/04/msg00012.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2024/04/msg00013.htmlMailing ListThird Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2024-18/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2024-19/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2024-20/Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1874489Issue Tracking
- https://lists.debian.org/debian-lts-announce/2024/04/msg00012.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2024/04/msg00013.htmlMailing ListThird Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2024-18/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2024-19/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2024-20/Vendor Advisory
FAQ
What is CVE-2024-3859?
CVE-2024-3859 is a vulnerability with a CVSS score of 5.9 (MEDIUM). 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 ES...
How severe is CVE-2024-3859?
CVE-2024-3859 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2024-3859?
Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox, Mozilla Thunderbird, Debian Debian Linux.