CVE-2025-2849 - CVE House
Back to Database
Status published Medium CVE-2025-2849

UPX p_lx_elf.cpp un_DT_INIT heap-based overflow

Vulnerability Description

A vulnerability, which was classified as problematic, was found in UPX up to 5.0.0. Affected is the function PackLinuxElf64::un_DT_INIT of the file src/p_lx_elf.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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2025-2849

Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • NPU Unmanned Systems Safety Laboratory (VulDB User)

Affected Vendor

Affected Software

UPX
Vulnerable Versions:
5.0

Timeline

Official Publish: March 27th, 2025
Last Modified: March 27th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Weaknesses (CWE)