{"id":"CVE-2026-107183","title":"llama.cpp before b11393 contains a use-after-free and double free vulnerability in common_chat_peg_mapper::map that allows unauthenticated remote attackers to corrupt heap memory via a dangling current_tool pointer","summary":"llama.cpp before b11393 contains a use-after-free and double free vulnerability in common_chat_peg_mapper::map that allows unauthenticated remote attackers to corrupt heap memory via a dangling current_tool pointer. Attackers can submit …","severity":"high","cvss":8.1,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-416"],"vendor":"ggml-org","product":"llama.cpp","affected":["llama.cpp >= b8227 < b11393"],"published":"2026-10-07","updated":"2026-10-07","sourceUpdated":"2026-10-07T15:17:19.913","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-107183","references":[{"url":"https://github.com/ggml-org/llama.cpp","label":"disclosure@vulncheck.com"},{"url":"https://github.com/ggml-org/llama.cpp/blob/bed0a856606ee4a24a164066f73d2379447033f5/common/chat-peg-parser.cpp#L343-L355","label":"disclosure@vulncheck.com"},{"url":"https://github.com/ggml-org/llama.cpp/blob/bed0a856606ee4a24a164066f73d2379447033f5/tools/server/server-schema.cpp#L321-L324","label":"disclosure@vulncheck.com"},{"url":"https://github.com/ggml-org/llama.cpp/commit/dbe4c3ed42343f0a7ba0fd7e808ffeaca404d29f","label":"disclosure@vulncheck.com"},{"url":"https://github.com/ggml-org/llama.cpp/pull/29942","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/llama-cpp-before-b11393-use-after-free-via-common-chat-peg-mapper-chat-parser","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-07T14:36:59.882876Z"},"ingestedAt":"2026-10-07T14:33:21.952Z","slug":"CVE-2026-107183","body":"## Overview\n\nllama.cpp before b11393 contains a use-after-free and double free vulnerability in common_chat_peg_mapper::map that allows unauthenticated remote attackers to corrupt heap memory via a dangling current_tool pointer. Attackers can submit a chat_parser in a POST /completion request emitting a tool-id after a tool-close tag to crash llama-server and shape a heap write primitive.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":45,"depthScoreParts":{"impact":44.6,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}