{"id":"OESA-2026-4710","summary":"rpm security update","details":"The RPM Package Manager (RPM) is a powerful package management system capability as below\r\n\r\nSecurity Fix(es):\n\nA heap-based buffer overflow flaw was found in rpm. RPMTAG_FILESIGNATURES in a crafted, unsigned RPM package's main header is declared with the wrong header type, causing hex2binv() to allocate a one-byte buffer and then write the tag's attacker-controlled, hex-decoded content — of attacker-chosen length — past the end of that allocation. This is reachable via rpm2cpio, rpm2archive, and rpm -qlvp on an untrusted package.(CVE-2026-103242)","modified":"2026-11-04T14:00:06.225797143Z","published":"2026-11-04T13:54:46Z","upstream":["CVE-2026-103242"],"database_specific":{"severity":"High"},"references":[{"type":"ADVISORY","url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-4710"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-103242"}],"affected":[{"package":{"name":"rpm","ecosystem":"openEuler:24.03-LTS-SP3","purl":"pkg:rpm/openEuler/rpm&distro=openEuler-24.03-LTS-SP3"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.2-43.oe2403sp3"}]}],"ecosystem_specific":{"noarch":["rpm-help-4.18.2-43.oe2403sp3.noarch.rpm"],"src":["rpm-4.18.2-43.oe2403sp3.src.rpm"],"x86_64":["python3-rpm-4.18.2-43.oe2403sp3.x86_64.rpm","rpm-4.18.2-43.oe2403sp3.x86_64.rpm","rpm-build-4.18.2-43.oe2403sp3.x86_64.rpm","rpm-debuginfo-4.18.2-43.oe2403sp3.x86_64.rpm","rpm-debugsource-4.18.2-43.oe2403sp3.x86_64.rpm","rpm-devel-4.18.2-43.oe2403sp3.x86_64.rpm","rpm-libs-4.18.2-43.oe2403sp3.x86_64.rpm","rpm-plugin-systemd-inhibit-4.18.2-43.oe2403sp3.x86_64.rpm"],"aarch64":["python3-rpm-4.18.2-43.oe2403sp3.aarch64.rpm","rpm-4.18.2-43.oe2403sp3.aarch64.rpm","rpm-build-4.18.2-43.oe2403sp3.aarch64.rpm","rpm-debuginfo-4.18.2-43.oe2403sp3.aarch64.rpm","rpm-debugsource-4.18.2-43.oe2403sp3.aarch64.rpm","rpm-devel-4.18.2-43.oe2403sp3.aarch64.rpm","rpm-libs-4.18.2-43.oe2403sp3.aarch64.rpm","rpm-plugin-systemd-inhibit-4.18.2-43.oe2403sp3.aarch64.rpm"]},"database_specific":{"source":"https://repo.openeuler.org/security/data/osv/OESA-2026-4710.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H"}]}