CVE-2025-2849

low-risk
Published 2025-03-27

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.

Do I need to act?

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0.04% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
3
CVSS 3.3/10 Low
LOCAL / LOW complexity

Affected Products (1)

Upx

Affected Vendors

Upx

References (8)

Patch https://github.com/upx/upx/commit/e0b6ff192412f5bb5364c1948f4f6b27a0cd5ea2
Exploit https://github.com/upx/upx/issues/898
Exploit https://github.com/upx/upx/issues/898#issuecomment-2734082143
Product https://github.com/user-attachments/files/19307868/input.zip
Permissions Required https://vuldb.com/?ctiid.301494
Third Party Advisory https://vuldb.com/?id.301494
Third Party Advisory https://vuldb.com/?submit.522371
Exploit https://github.com/upx/upx/issues/898#issuecomment-2734082143
18
/ 100
low-risk
Severity 13/34 · Low
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal