{"id":"CVE-2026-88370","published":"2026-09-24T16:17:13.977","lastModified":"2026-09-25T16:17:29.020","description":"libconfini 1.16.4 contains a heap out-of-bounds write condition involving the bundled load_ini_buffer.h utility and strip_ini_cache(). The bundled utility allocates exactly ini_length bytes, while strip_ini_cache() unconditionally writes a NUL terminator at ini_source[ini_length], requiring an additional writable byte. Applications using the bundled allocation pattern can trigger deterministic heap memory corruption when processing any non-empty INI input, resulting in denial of service.","cvssScore":5.3,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","cwes":["CWE-122"],"vendors":[],"products":[],"references":[{"url":"https://github.com/madmurphy/libconfini/issues/20","tags":[]},{"url":"https://github.com/madmurphy/libconfini/issues/20","tags":[]}],"exploitRefs":[{"url":"https://github.com/madmurphy/libconfini/issues/20","tags":[]},{"url":"https://github.com/madmurphy/libconfini/issues/20","tags":[]}],"hasPoc":true,"ai":null}