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.
References (7)
Core 7
Core References
Third Party Advisory, VDB Entry vdb-entry
technical-description
https://vuldb.com/?id.301494
Permissions Required, VDB Entry signature
permissions-required
https://vuldb.com/?ctiid.301494
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.522371
Exploit, Issue Tracking issue-tracking
https://github.com/upx/upx/issues/898
Exploit, Issue Tracking issue-tracking
https://github.com/upx/upx/issues/898#issuecomment-2734082143
Product exploit
https://github.com/user-attachments/files/19307868/input.zip
Scores
CVSS v3
3.3
EPSS
0.0004
EPSS Percentile
13.4%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-119
CWE-122
CWE-787
Status
published
Products (1)
upx/upx
< 5.0.0
Published
Mar 27, 2025
Tracked Since
Feb 18, 2026