{"id":"CVE-2026-91782","summary":"GNU Binutils Dynamic Relocation Allocation elfxx-x86.c elf_x86_allocate_dynrelocs null pointer dereference","details":"A vulnerability was detected in GNU Binutils 2.47. Affected by this vulnerability is the function elf_x86_allocate_dynrelocs of the file bfd/elfxx-x86.c of the component Dynamic Relocation Allocation. The manipulation results in null pointer dereference. The attack requires a local approach. The exploit is now public and may be used. Upgrading to version 2.48 addresses this issue. The patch is identified as d1268210b6f6/471130b39c0/283d3198bed/0a84e560216/a692a633d40. Upgrading the affected component is recommended.","modified":"2026-09-19T03:30:44.922152227Z","published":"2026-09-15T09:00:14.180Z","database_specific":{"unresolved_ranges":[{"extracted_events":[{"introduced":"2.47"},{"last_affected":"2.47"}],"source":"AFFECTED_FIELD"}],"cna_assigner":"VulDB","cwe_ids":["CWE-404","CWE-476"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/91xxx/CVE-2026-91782.json"},"references":[{"type":"WEB","url":"https://www.gnu.org/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/91xxx/CVE-2026-91782.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-91782"},{"type":"ADVISORY","url":"https://vuldb.com/cve/CVE-2026-91782"},{"type":"ADVISORY","url":"https://vuldb.com/submit/933335"},{"type":"ADVISORY","url":"https://vuldb.com/vuln/404053"},{"type":"REPORT","url":"https://sourceware.org/bugzilla/show_bug.cgi?id=34448"},{"type":"REPORT","url":"https://vuldb.com/vuln/404053/cti"},{"type":"EVIDENCE","url":"https://github.com/Ech06/CVE_submit/tree/main/bugzilla/pocs/34448"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://sourceware.org/git/binutils-gdb.git","events":[{"introduced":"6ce87bbc521cf46eaee9a1f7ef61cee2cdfb3e32"},{"last_affected":"6ce87bbc521cf46eaee9a1f7ef61cee2cdfb3e32"}],"database_specific":{"extracted_events":[{"introduced":"2.47"},{"last_affected":"2.47"}],"source":"CPE_STRING","cpe":"cpe:2.3:a:gnu:binutils:2.47:*:*:*:*:*:*:*"}}],"versions":["2.47","binutils-2_47"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-91782.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:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P"}]}