CVE-2025-2849
MEDIUM EPSS 19.1%
Published Mar 27, 20251y ago · Modified Jun 17, 20261w ago
4.8 CVSS 4.0
Published Mar 27, 2025 1y ago
Last Modified Jun 17, 2026 1w ago
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X
Threat Intelligence
EPSS Exploit Probability
19.1% percentile
Exploit & Patch Status
Public Exploit Known
Patch Available
Weaknesses 3
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer Memory Safety
CWE-122
CWE-787 Out-of-bounds Write Memory Safety
Affected Products 1
| Vendor | Product | Version | Range |
|---|---|---|---|
| upx | upx | * | ≤5.0.0 |
References 7
- github.com https://github.com/upx/upx/commit/e0b6ff192412f5bb5364c1948f4f6b27a0cd5ea2
- github.com https://github.com/upx/upx/issues/898
- github.com https://github.com/upx/upx/issues/898#issuecomment-2734082143
- github.com https://github.com/user-attachments/files/19307868/input.zip
- vuldb.com https://vuldb.com/?ctiid.301494
- vuldb.com https://vuldb.com/?id.301494
- vuldb.com https://vuldb.com/?submit.522371
Remediation
- github.com https://github.com/upx/upx/commit/e0b6ff192412f5bb5364c1948f4f6b27a0cd5ea2