1. Home
  2. Vulnerabilities
  3. CVE-2023-6857

CVE-2023-6857

CVSS v3.1 5.3 (Medium)
53% Progress
EPSS 0.10 % (43th)
0.10% Progress
Affected Products 7
Advisories 35
Info CVSS EPSS CAPEC Affected Configurations References Security Advisories Packages & Software Tools, Exploits & PoC Graph Web & Social Timeline

When resolving a symlink, a race may occur where the buffer passed to readlink may actually be smaller than necessary.
This bug only affects Firefox on Unix-based operating systems (Android, Linux, MacOS). Windows is unaffected. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.

Weaknesses
CWE-362
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVE Status
PUBLISHED
CNA
Mozilla Corporation
Published Date
2023-12-19 14:15:07
(9 months ago)
Updated Date
2024-02-02 02:32:05
(7 months ago)

Affected Products

Apple

Debian

Google

Linux

Mozilla

Configuration #1

AND
    CPE23 From Up To
OR  
  Mozilla Firefox prior 121.0 version cpe:2.3:a:mozilla:firefox < 121.0
OR  
  Running on/with
  Mozilla Firefox Esr prior 115.6 version cpe:2.3:a:mozilla:firefox_esr < 115.6
OR  
  Running on/with
  Mozilla Thunderbird prior 115.6 version cpe:2.3:a:mozilla:thunderbird < 115.6
OR  
  Running on/with
  Apple Macos cpe:2.3:o:apple:macos:-
OR  
  Running on/with
  Google Android cpe:2.3:o:google:android:-
OR  
  Running on/with
  Linux Kernel cpe:2.3:o:linux:linux_kernel:-

Configuration #2

    CPE23 From Up To
  Debian Linux 10.0 cpe:2.3:o:debian:debian_linux:10.0
  Debian Linux 11.0 cpe:2.3:o:debian:debian_linux:11.0
  Debian Linux 12.0 cpe:2.3:o:debian:debian_linux:12.0