CVE-2026-90801

MEDIUM 5.3

GNU Binutils ld cache.c cache_bwrite buffer overflow

CVSS Score

5.3

EPSS Score

0.0%

EPSS Percentile

0th

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	CWE-120 CWE-119
Vendor	gnu
Product	binutils
Published	Sep 14, 2026
Last Updated	Sep 14, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

GNU / Binutils

2.47

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

🔍 Dem0000000 (VulDB User) VulDB CNA Team