CVE-2026-90801

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.

• CWE-119
• CWE-120

• 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
• https://sourceware.org/bugzilla/show_bug.cgi?id=34442
• https://vuldb.com/cve/CVE-2026-90801
• https://vuldb.com/submit/920276
• https://vuldb.com/vuln/403303
• https://vuldb.com/vuln/403303/cti
• https://www.gnu.org/

Published

Sep 14, 2026

Last Modified

Sep 14, 2026

Status

Awaiting Analysis

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