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.
CVE-2025-2849
Score 3.3 from GitHub Security Advisory published 2025-03-27. NVD baseline CVSS 3.3; sources differ by 0.0.
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 3.3
- EG Score
- 3.3(medium)
- EG Risk
- 31(Track)EG Risk 31/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity33% × 45%Exploitation40% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS
- 19.5%
- KEV
- Not listed
Published
March 27, 2025
Last Modified
April 11, 2025
References (8)
- cna@vuldbhttps://github.com/upx/upx/commit/e0b6ff192412f5bb5364c1948f4f6b27a0cd5ea2
- cna@vuldbhttps://github.com/upx/upx/issues/898
- cna@vuldbhttps://github.com/upx/upx/issues/898#issuecomment-2734082143
- cna@vuldbhttps://github.com/user-attachments/files/19307868/input.zip
- cna@vuldbhttps://vuldb.com/?ctiid.301494
- cna@vuldbhttps://vuldb.com/?id.301494
- cna@vuldbhttps://vuldb.com/?submit.522371
- 134c704f-9b21-4f2e-91b3-4a467353bcc0https://github.com/upx/upx/issues/898#issuecomment-2734082143
Weakness Classification(3)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 14× in last 7d / 46× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
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Related CVEs(same CWE)
Same CWE
10 shownCWE-119 · CWE-787
Frequently asked(5)
What is CVE-2025-2849?
When was CVE-2025-2849 disclosed?
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What is the CVSS score of CVE-2025-2849?
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Dependency Blast Radius
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