CVE-2023-6858

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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.

8.8 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

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

Configuration 1 (hide)

OR cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:*
History

21 Nov 2024, 08:44

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

02 Feb 2024, 02:32

Type Values Removed Values Added
References () https://lists.debian.org/debian-lts-announce/2023/12/msg00020.html - () https://lists.debian.org/debian-lts-announce/2023/12/msg00020.html - Mailing List, Third Party Advisory
References () https://lists.debian.org/debian-lts-announce/2023/12/msg00021.html - () https://lists.debian.org/debian-lts-announce/2023/12/msg00021.html - Mailing List, Third Party Advisory
References () https://security.gentoo.org/glsa/202401-10 - () https://security.gentoo.org/glsa/202401-10 - Third Party Advisory
CPE cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

07 Jan 2024, 11:15

Type Values Removed Values Added
References
  • () https://security.gentoo.org/glsa/202401-10 -

29 Dec 2023, 13:15

Type Values Removed Values Added
References
  • () https://lists.debian.org/debian-lts-announce/2023/12/msg00021.html -

29 Dec 2023, 12:15

Type Values Removed Values Added
References
  • () https://lists.debian.org/debian-lts-announce/2023/12/msg00020.html -

22 Dec 2023, 11:09

Type Values Removed Values Added
References () https://www.mozilla.org/security/advisories/mfsa2023-56/ - () https://www.mozilla.org/security/advisories/mfsa2023-56/ - Vendor Advisory
References () https://www.mozilla.org/security/advisories/mfsa2023-55/ - () https://www.mozilla.org/security/advisories/mfsa2023-55/ - Vendor Advisory
References () https://www.mozilla.org/security/advisories/mfsa2023-54/ - () https://www.mozilla.org/security/advisories/mfsa2023-54/ - Vendor Advisory
References () https://www.debian.org/security/2023/dsa-5582 - () https://www.debian.org/security/2023/dsa-5582 - Third Party Advisory
References () https://www.debian.org/security/2023/dsa-5581 - () https://www.debian.org/security/2023/dsa-5581 - Third Party Advisory
References () https://bugzilla.mozilla.org/show_bug.cgi?id=1826791 - () https://bugzilla.mozilla.org/show_bug.cgi?id=1826791 - Issue Tracking, Permissions Required
CPE cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 8.8
First Time Debian debian Linux
Mozilla
Mozilla firefox Esr
Mozilla thunderbird
Debian
Mozilla firefox
CWE CWE-787

22 Dec 2023, 01:15

Type Values Removed Values Added
References
  • () https://www.debian.org/security/2023/dsa-5582 -

21 Dec 2023, 01:15

Type Values Removed Values Added
New CVE
Information

Published : 2023-12-19 14:15

Updated : 2025-05-07 21:15

NVD link : CVE-2023-6858

Mitre link : CVE-2023-6858

CVE.ORG link : CVE-2023-6858

JSON object : View

Products Affected

mozilla

  • thunderbird
  • firefox
  • firefox_esr

debian

  • debian_linux
CWE
CWE-787

Out-of-bounds Write