{"id":"DEBIAN-CVE-2026-10649","details":"A flaw was found in Pacemaker. An unauthenticated remote attacker can exploit an integer overflow vulnerability in the remote message decompression process. By sending a specially crafted compressed remote message before authentication, an attacker can cause memory corruption, leading to a denial of service (DoS) in the CIB remote listener. This can result in the affected service crashing.","modified":"2026-09-14T17:00:47.215196302Z","published":"2026-06-16T17:16:30.773Z","upstream":["CVE-2026-10649"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2026-10649"}],"affected":[{"package":{"name":"pacemaker","ecosystem":"Debian:12","purl":"pkg:deb/debian/pacemaker?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.1.5-1","2.1.5-1+deb12u1","2.1.6-1","2.1.6-2","2.1.6-3","2.1.6-4","2.1.6-4.1","2.1.6-4.1~exp1","2.1.6-5","2.1.7-1","2.1.8-1","2.1.8~rc1-1","2.1.8~rc3-1","2.1.8~rc4-1","3.0.0-1","3.0.0-2","3.0.1-1","3.0.1-1.1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-10649.json"}},{"package":{"name":"pacemaker","ecosystem":"Debian:13","purl":"pkg:deb/debian/pacemaker?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.0-2","3.0.1-1","3.0.1-1.1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-10649.json"}},{"package":{"name":"pacemaker","ecosystem":"Debian:14","purl":"pkg:deb/debian/pacemaker?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.0-2","3.0.1-1","3.0.1-1.1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-10649.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H"}]}