Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 5.2%
CVSS Severity
CVSS v3 Score 5.3
CVSS v2 Score 4.3
References
- 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/