CVE-2023-6862

A use-after-free was identified in the `nsDNSService::Init`. This issue appears to manifest rarely during start-up. This vulnerability affects Firefox ESR < 115.6 and Thunderbird < 115.6.

CVSS v3 8.8 HIGH

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=1868042	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://bugzilla.mozilla.org/show_bug.cgi?id=1868042	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

Configurations

Configuration 1 (hide)

OR	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=1868042 - Issue Tracking, Permissions Required~~	() https://bugzilla.mozilla.org/show_bug.cgi?id=1868042 - 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

02 Feb 2024, 02:42

Type	Values Removed	Values Added
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
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
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, 12:15

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/msg00021.html -

22 Dec 2023, 11:04

Type	Values Removed	Values Added
CWE		CWE-416
References	~~() https://www.debian.org/security/2023/dsa-5581 -~~	() https://www.debian.org/security/2023/dsa-5581 - Third Party 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://bugzilla.mozilla.org/show_bug.cgi?id=1868042 -~~	() https://bugzilla.mozilla.org/show_bug.cgi?id=1868042 - Issue Tracking, Permissions Required
References	~~() https://www.debian.org/security/2023/dsa-5582 -~~	() https://www.debian.org/security/2023/dsa-5582 - Third Party Advisory
First Time		Mozilla firefox Esr Mozilla thunderbird Mozilla Debian debian Linux Debian
CPE		cpe:2.3:o:debian:debian_linux:12.0:::::::* cpe:2.3:a:mozilla:firefox_esr:::::::: cpe:2.3:o:debian:debian_linux:11.0:::::::* cpe:2.3:a:mozilla:thunderbird::::::::
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 8.8

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 : 2024-11-21 08:44

NVD link : CVE-2023-6862

Mitre link : CVE-2023-6862

CVE.ORG link : CVE-2023-6862

JSON object : View

Products Affected

mozilla

thunderbird
firefox_esr

debian

debian_linux

CWE

CWE-416

Use After Free

8.8 /10