CVE-2025-2849: UPX p_lx_elf.cpp un_DT_INIT heap-based overflow
A vulnerability, which was classified as problematic, was found in UPX up to 5.0.0. Affected is the function PackLinuxElf64::unDTINIT of the file src/plxelf.cpp. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used. The patch is identified as e0b6ff192412f5bb5364c1948f4f6b27a0cd5ea2. It is recommended to apply a patch to fix this issue.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2025-2849?
CVE-2025-2849 has been classified as a problematic vulnerability due to its potential for a heap-based buffer overflow.
How do I fix CVE-2025-2849?
To mitigate CVE-2025-2849, upgrade UPX to a version higher than 5.0.0, which addresses this vulnerability.
What type of vulnerability is CVE-2025-2849?
CVE-2025-2849 is a heap-based buffer overflow vulnerability found in UPX.
Can CVE-2025-2849 be exploited remotely?
CVE-2025-2849 can only be exploited locally on the host running the affected version of UPX.
Which versions of UPX are affected by CVE-2025-2849?
CVE-2025-2849 affects UPX versions up to and including 5.0.0.