{"id":"CVE-2026-90801","summary":"GNU Binutils ld cache.c cache_bwrite buffer overflow","details":"A security flaw has been discovered in GNU Binutils 2.47. This impacts the function cache_bwrite of the file bfd/cache.c of the component ld. The manipulation of the argument nbytes results in buffer overflow. The attack requires a local approach. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through a bug report but has not responded yet.","modified":"2026-09-20T11:47:12.695694961Z","published":"2026-09-14T16:15:14.725Z","database_specific":{"unresolved_ranges":[{"extracted_events":[{"introduced":"2.47"},{"last_affected":"2.47"}],"source":"AFFECTED_FIELD"}],"cna_assigner":"VulDB","cwe_ids":["CWE-119","CWE-120"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90801.json"},"references":[{"type":"WEB","url":"https://www.gnu.org/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90801.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-90801"},{"type":"ADVISORY","url":"https://vuldb.com/cve/CVE-2026-90801"},{"type":"ADVISORY","url":"https://vuldb.com/submit/920276"},{"type":"ADVISORY","url":"https://vuldb.com/vuln/403303"},{"type":"REPORT","url":"https://sourceware.org/bugzilla/show_bug.cgi?id=34442"},{"type":"REPORT","url":"https://vuldb.com/vuln/403303/cti"},{"type":"EVIDENCE","url":"https://github.com/r1ck9-2q/cve_summit/blob/main/Heap-buffer-overflow%20in%20%60cache_bwrite%60%20(bfdcache.c436)%20via%20malformed%20ELF%20with%20%60--gc-sections%20-w%60.md"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://sourceware.org/git/binutils-gdb.git","events":[{"introduced":"6ce87bbc521cf46eaee9a1f7ef61cee2cdfb3e32"},{"last_affected":"6ce87bbc521cf46eaee9a1f7ef61cee2cdfb3e32"}],"database_specific":{"source":"CPE_STRING","cpe":"cpe:2.3:a:gnu:binutils:2.47:*:*:*:*:*:*:*","extracted_events":[{"introduced":"2.47"},{"last_affected":"2.47"}]}}],"versions":["2.47","binutils-2_47"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-90801.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P"}]}