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 v3.0 8.8 HIGH

8.8^/10

CVSS v3.0 : HIGH

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://www.mozilla.org/security/advisories/mfsa2023-54/	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-55/	Vendor Advisory
https://www.debian.org/security/2023/dsa-5581	Third Party Advisory
https://www.debian.org/security/2023/dsa-5582	Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/12/msg00020.html
https://lists.debian.org/debian-lts-announce/2023/12/msg00021.html
https://security.gentoo.org/glsa/202401-10

Configurations

Configuration 1 (hide)

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

Configuration 2 (hide)

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

Information

Published : 2023-12-19 14:15

Updated : 2024-01-07 11:15

NVD link : CVE-2023-6862

Mitre link : CVE-2023-6862

JSON object : View

Products Affected

mozilla

firefox_esr
thunderbird

debian

debian_linux

CWE

CWE-416

Use After Free

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