{"id":"CVE-2026-85977","aliases":["BELL-CVE-2026-85977","DEBIAN-CVE-2026-85977","EUVD-2026-103020","GHSA-vc3g-5238-rmmw","RHSA-2026:80360","UBUNTU-CVE-2026-85977","openSUSE-SU-2026:12244-1"],"status":"published","title":"Libtirpc: libtirpc: denial of service via unbounded memory allocation during portmapper response decoding","description":"A flaw was found in libtirpc. A remote attacker can exploit this vulnerability by sending specially crafted PMAPPROC_DUMP replies to a client application that uses the pmap_getmaps() function against an attacker-controlled host. 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libtirpc: denial of service via unbounded memory allocation during portmapper response decoding","description":"A flaw was found in libtirpc. 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This unbounded decoding can lead to excessive memory and CPU allocation, causing the client process to experience a Denial of Service (DoS) due to resource exhaustion.","status":"published","published":"2026-10-16T18:20:43Z","modified":"2026-11-06T07:45:28Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-06T09:04:28.113071Z"}],"ghsa":[{"id":"GHSA-vc3g-5238-rmmw","title":"A flaw was found in libtirpc. A remote attacker can exploit this vulnerability by sending...","description":"A flaw was found in libtirpc. A remote attacker can exploit this vulnerability by sending specially crafted PMAPPROC_DUMP replies to a client application that uses the pmap_getmaps() function against an attacker-controlled host. 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