CVE-2023-2731
5.5
MEDIUM
CVSS 3.1
EPSS 0.01%
Description
A NULL pointer dereference flaw was found in Libtiff's LZWDecode() function in the libtiff/tif_lzw.c file. This flaw allows a local attacker to craft specific input data that can cause the program to dereference a NULL pointer when decompressing a TIFF format file, resulting in a program crash or denial of service.
How to fix CVE-2023-2731
To remediate CVE-2023-2731, upgrade the affected package to a fixed version below.
- Debian/tiff—upgrade to 4.5.0-6 or later
Is CVE-2023-2731 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 4.5.0-6
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.5 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |