{"id":"UBUNTU-CVE-2026-17500","details":"A vulnerability was detected in ggml-org llama.cpp d006858/e15efe0. This affects the function _visit_pattern of the file common/json-schema-to-grammar.cpp. The manipulation results in null pointer dereference. The attack can be launched remotely. The pull request to fix this issue awaits acceptance.","modified":"2026-07-29T07:53:23Z","published":"2026-07-27T01:16:00Z","upstream":["CVE-2026-17500"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-17500"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-17500"},{"type":"REPORT","url":"https://github.com/ggml-org/llama.cpp/issues/25284"},{"type":"REPORT","url":"https://github.com/ggml-org/llama.cpp/pull/25308"},{"type":"REPORT","url":"https://github.com/ggml-org/llama.cpp/"},{"type":"REPORT","url":"https://vuldb.com/cve/CVE-2026-17500"},{"type":"REPORT","url":"https://vuldb.com/submit/798503"},{"type":"REPORT","url":"https://vuldb.com/vuln/383353"},{"type":"REPORT","url":"https://vuldb.com/vuln/383353/cti"}],"affected":[{"package":{"name":"llama.cpp","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/llama.cpp?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5882+dfsg-2","8064+dfsg-1ubuntu1","8681+dfsg-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libllama0","binary_version":"8681+dfsg-1"},{"binary_name":"llama.cpp","binary_version":"8681+dfsg-1"},{"binary_name":"llama.cpp-examples","binary_version":"8681+dfsg-1"},{"binary_version":"8681+dfsg-1","binary_name":"llama.cpp-tests"},{"binary_version":"8681+dfsg-1","binary_name":"llama.cpp-tools"},{"binary_version":"8681+dfsg-1","binary_name":"llama.cpp-tools-extra"},{"binary_version":"8681+dfsg-1","binary_name":"python3-gguf"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-17500.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N"},{"type":"Ubuntu","score":"medium"}]}