CVE-2023-6246
glibc - security update
7.8
HIGH
CVSS 3.1
EPSS 27.0%
Description
A heap-based buffer overflow was found in the __vsyslog_internal function of the glibc library. This function is called by the syslog and vsyslog functions. This issue occurs when the openlog function was not called, or called with the ident argument set to NULL, and the program name (the basename of argv[0]) is bigger than 1024 bytes, resulting in an application crash or local privilege escalation. This issue affects glibc 2.36 and newer.
How to fix CVE-2023-6246
To remediate CVE-2023-6246, upgrade the affected package to a fixed version below.
- —upgrade to 2.36-9+deb12u4 or later
- —upgrade to 2.36-9+deb12u4 or later
Is CVE-2023-6246 being exploited?
Moderate — EPSS is 27.0%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (2)
- from 0, < 2.36-9+deb12u4
- from 0, < 2.36-9+deb12u4
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |