CVE-2026-90801

EUVD-2026-77631
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.3 MEDIUM
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Base Score
CVSS 3.x
EPSS Score
Percentile: 10.88%
Affected Products (NVD)
VendorProductVersion
gnubinutils
2.47
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
binutils
bookworm
unimportant
forky
unimportant
sid
unimportant
trixie
unimportant
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
binutils
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
noble
needs-triage
resolute
needs-triage
trusty
needs-triage
xenial
needs-triage
Common Weakness Enumeration
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/