Bugzilla – Bug 1240236
VUL-0: CVE-2025-2849: upx: UPX p_lx_elf.cpp un_DT_INIT heap-based overflow
Last modified: 2025-10-20 08:00:18 UTC
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. References: http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2025-2849 https://github.com/CVEProject/cvelistV5/blob/main//cves/2025/2xxx/CVE-2025-2849.json https://www.cve.org/CVERecord?id=CVE-2025-2849 https://github.com/upx/upx/commit/e0b6ff192412f5bb5364c1948f4f6b27a0cd5ea2 https://github.com/upx/upx/issues/898 https://github.com/upx/upx/issues/898#issuecomment-2734082143 https://github.com/user-attachments/files/19307868/input.zip https://vuldb.com/?ctiid.301494 https://vuldb.com/?id.301494 https://vuldb.com/?submit.522371 https://bugzilla.redhat.com/show_bug.cgi?id=2355330
This is an autogenerated message for OBS integration: This bug (1240236) was mentioned in https://build.opensuse.org/request/show/1265185 Factory / upx https://build.opensuse.org/request/show/1265186 15.6 / upx
openSUSE-SU-2025:0164-1: An update that fixes one vulnerability is now available. Category: security (moderate) Bug References: 1240236 CVE References: CVE-2025-2849 JIRA References: Sources used: openSUSE Leap 15.6 (src): upx-5.0.0-lp156.3.3.1