SB2025033156 - Fedora 42 update for upx



SB2025033156 - Fedora 42 update for upx

Published: March 31, 2025

Security Bulletin ID SB2025033156
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Heap-based buffer overflow (CVE-ID: CVE-2025-2849)

CWE-ID: CWE-122 - Heap-based Buffer Overflow

CVSSv4: CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the PackLinuxElf64::un_DT_INIT() function in p_lx_elf.cpp. A remote attacker can trick the victim into using a specially crafted file, trigger a heap-based buffer overflow and execute arbitrary code on the target system.


Remediation

Install update from vendor's website.