Mondoo Vulnerability Intelligence

Curated by Mondoo Research, enhanced with AI

Resources

Search Vulnerabilities
Trending CVEs
Browse Ecosystems
Terminology
Blog

Open Source

cnquery
cnspec

Star us on GitHub!

Company

Mondoo Platform
About
Contact

Vulnerability Intelligence

Customers

Vulnerability IntelligenceCVE-2023-6862

CVE-2023-6862

HIGH8.8

A use-after-free was identified in the `nsDNSService::Init`

Published Dec 19, 2023

Modified 1 years ago

Fix available

Details

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.

Affected Packages

Mozilla Firefox ESR

Windows 10 (1507)Windows 10 (1607) / Server 2016Windows 10 (1809) / Server 2019Windows 10 (1903)Windows 10 (1909)

Fixed in:

115.6

Firefox ESR

macOS 14macOS 15macOS 26

Fixed in:

115.6

References

WEB

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

WEB

https://lists.debian.org/debian-lts-announce/2023/12/msg00020.html

WEB

https://lists.debian.org/debian-lts-announce/2023/12/msg00021.html

WEB

https://security.gentoo.org/glsa/202401-10

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2023-6862

WEB

https://www.debian.org/security/2023/dsa-5581

WEB

https://www.debian.org/security/2023/dsa-5582

WEB

https://www.mozilla.org/security/advisories/mfsa2023-54/

WEB

https://www.mozilla.org/security/advisories/mfsa2023-55/

CVSS Analysis

CVSS v3.1

8.8

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

RequiredUI:R

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

HighA:H

8.8/CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Ecosystems(20)

Windows 10 (1507)Windows 10 (1607) / Server 2016 Windows 10 (1809) / Server 2019 Windows 10 (1903)Windows 10 (1909)

Timeline

PublishedDec 19, 2023

ModifiedFeb 13, 2025

CVE-2023-6862 | Mondoo Vulnerability Intelligence