CVE-2026-90801

GNU Binutils ld cache.c cache_bwrite buffer overflow

MEDIUM
6.6
CVSS Score
Published: September 14, 2026 at 04:15 PM UTC
Updated: September 18, 2026 at 02:59 PM UTC
1 product affected across 1 vendorBinutils

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Severity
MEDIUM6.6
Exploit prediction
EPSS 0.2%
SSVC
PoC

Description

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (7)

VDB EntryTechnical DescriptionPermissions RequiredThird Party Advisory
Source: cverecord
https://vuldb.com/vuln/403303
SignaturePermissions RequiredThird Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/vuln/403303/cti
Third Party AdvisoryPermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/cve/CVE-2026-90801
Third Party AdvisoryPermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/submit/920276
Issue TrackingExploitThird Party Advisory
Source: cverecord
https://sourceware.org/bugzilla/show_bug.cgi?id=34442
Broken LinkProduct
Source: cverecord
https://www.gnu.org/

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-120CWE-119

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