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CVE-2026-90802

GNU Binutils ld libbfd.c bfd_putl64 null pointer dereference

MEDIUM
4.4
CVSS Score
Published: September 14, 2026 at 04:30 PM UTC
Updated: September 18, 2026 at 02:59 PM UTC
1 product affected across 1 vendorBinutils

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Severity
MEDIUM4.4
Exploit prediction
EPSS 0.2%
SSVC
PoC

Description

A weakness has been identified in GNU Binutils 2.47. Affected is the function bfd_putl64 of the file bfd/libbfd.c of the component ld. This manipulation causes null pointer dereference. The attack requires local access. The exploit has been made available to the public and could 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:

Patch and advisory references

References (7)

VDB EntryTechnical DescriptionPermissions RequiredThird Party Advisory
Source: cverecord
https://vuldb.com/vuln/403304
SignaturePermissions RequiredThird Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/vuln/403304/cti
Third Party AdvisoryPermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/cve/CVE-2026-90802
Third Party AdvisoryPermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/submit/920277
Issue TrackingExploitThird Party Advisory
Source: cverecord
https://sourceware.org/bugzilla/show_bug.cgi?id=34443
ExploitMitigationThird Party Advisory
Source: cverecord
https://github.com/r1ck9-2q/cve_summit/blob/main/SEGV%20in%20%60bfd_putl64%60%20(bfdlibbfd.c989)%20during%20relocation%20output%20via%20malformed%20ELF.md
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

4.4MEDIUMVulDB
Vector?

Quick Info

StatusANALYZED
CWE
CWE-476CWE-404

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