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.
CVSS Score
LOW
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Upx | Upx | <= 5.0.0 |
Related Weaknesses (CWE)
References
- https://github.com/upx/upx/commit/e0b6ff192412f5bb5364c1948f4f6b27a0cd5ea2Patch
- https://github.com/upx/upx/issues/898ExploitIssue Tracking
- https://github.com/upx/upx/issues/898#issuecomment-2734082143ExploitIssue Tracking
- https://github.com/user-attachments/files/19307868/input.zipProduct
- https://vuldb.com/?ctiid.301494Permissions RequiredVDB Entry
- https://vuldb.com/?id.301494Third Party AdvisoryVDB Entry
- https://vuldb.com/?submit.522371Third Party AdvisoryVDB Entry
- https://github.com/upx/upx/issues/898#issuecomment-2734082143ExploitIssue Tracking
FAQ
What is CVE-2025-2849?
CVE-2025-2849 is a vulnerability with a CVSS score of 3.3 (LOW). 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-bas...
How severe is CVE-2025-2849?
CVE-2025-2849 has been rated LOW with a CVSS base score of 3.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-2849?
Check the references section above for vendor advisories and patch information. Affected products include: Upx Upx.