5.3

CVE-2023-6857

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.

Data is provided by the National Vulnerability Database (NVD)
MozillaFirefox Version < 121.0
   ApplemacOS Version-
   GoogleAndroid Version-
   LinuxLinux Kernel Version-
MozillaFirefox ESR Version < 115.6
   ApplemacOS Version-
   GoogleAndroid Version-
   LinuxLinux Kernel Version-
MozillaThunderbird Version < 115.6
   ApplemacOS Version-
   GoogleAndroid Version-
   LinuxLinux Kernel Version-
DebianDebian Linux Version10.0
DebianDebian Linux Version11.0
DebianDebian Linux Version12.0
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.21% 0.432
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 5.3 1.6 3.6
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.