8.8

CVE-2023-6858

Firefox was susceptible to a heap buffer overflow in `nsTextFragment` due to insufficient OOM handling. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Mozilla ≫ Firefox Version < 121.0
Mozilla ≫ Firefox ESR Version < 115.6
Mozilla ≫ Thunderbird Version < 115.6
Debian ≫ Debian Linux Version 10.0
Debian ≫ Debian Linux Version 11.0
Debian ≫ Debian Linux Version 12.0
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 1.53% 0.715
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 8.8 2.8 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CISA-ADP 8.8 2.8 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

https://security.gentoo.org/glsa/202401-10
Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/12/msg00021.html
Third Party Advisory
Mailing List
https://www.debian.org/security/2023/dsa-5582
Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2023-55/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-56/
Vendor Advisory
https://lists.debian.org/debian-lts-announce/2023/12/msg00020.html
Third Party Advisory
Mailing List
https://www.debian.org/security/2023/dsa-5581
Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2023-54/
Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1826791
Issue Tracking
Permissions Required