{"id":"CVE-2025-2849","url":"https://www.cyber-defence.io/tools/cve/CVE-2025-2849","generatedAt":"2026-10-28T04:43:50.167Z","title":"A vulnerability, which was classified as problematic, was found in UPX up to 5.0.0.","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.","published":"2025-03-27T14:15:55.000Z","lastModified":"2026-06-17T09:07:44.000Z","status":"Analyzed","sourceIdentifier":"cna@vuldb.com","cvss":{"version":"4.0","score":4.8,"severity":"MEDIUM","vector":"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/M"},"cwe":["CWE-119","CWE-122","CWE-787"],"affected":["upx/upx"],"epss":{"score":0.00304,"percentile":0.23083,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.30%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://github.com/upx/upx/commit/e0b6ff192412f5bb5364c1948f4f6b27a0cd5ea2","tags":["Patch"],"source":"cna@vuldb.com"},{"url":"https://github.com/upx/upx/issues/898","tags":["Exploit","Issue Tracking"],"source":"cna@vuldb.com"},{"url":"https://github.com/upx/upx/issues/898#issuecomment-2734082143","tags":["Exploit","Issue Tracking"],"source":"cna@vuldb.com"},{"url":"https://github.com/user-attachments/files/19307868/input.zip","tags":["Product"],"source":"cna@vuldb.com"},{"url":"https://vuldb.com/?ctiid.301494","tags":["Permissions Required","VDB Entry"],"source":"cna@vuldb.com"},{"url":"https://vuldb.com/?id.301494","tags":["Third Party Advisory","VDB Entry"],"source":"cna@vuldb.com"},{"url":"https://vuldb.com/?submit.522371","tags":["Third Party Advisory","VDB Entry"],"source":"cna@vuldb.com"},{"url":"https://github.com/upx/upx/issues/898#issuecomment-2734082143","tags":["Exploit","Issue Tracking"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-2849","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}