CVE-2026-90801
GNU Binutils ld cache.c cache_bwrite buffer overflow
LOW 1.9EPSS 0.2%
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.
- Affected
- GNU · Binutils
- CVSS v4.0 VULDB
- 1.9 LOW
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS v3.1 NVD
- 6.6 MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H - CVSS v3.1 VULDB
- 5.3 MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L - CVSS v2.0 VULDB
- 4.3 MEDIUM
AV:L/AC:L/Au:S/C:P/I:P/A:P - EPSS
- 0.21% chance of exploitation in the next 30 days, 10th percentile
- Published
- 2026-09-14
Proof-of-concept exploits (1)
- r1ck9-2q/cve_summit/blob/main/Heap-buffer-overflow%20in%20%60cache_bwrite%60%20(bfdcache…0★ · 2026-10-04
Security advisories
- 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