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CVE-2026-91781

GNU Binutils ELF Section elf64-x86-64.c elf_x86_64_common_section_index null pointer dereference

LOW
3.3
CVSS Score
Published: September 15, 2026 at 08:45 AM UTC
Updated: September 16, 2026 at 03:47 PM UTC
1 product affected across 1 vendorBinutils

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Severity
LOW3.3
Exploit prediction
EPSS 0.2%
SSVC
PoC

Description

A security vulnerability has been detected in GNU Binutils 2.47. Affected is the function elf_x86_64_common_section_index of the file bfd/elf64-x86-64.c of the component ELF Section Handler. The manipulation leads to null pointer dereference. The attack needs to be performed locally. The exploit has been disclosed publicly and may be used. Upgrading to version 2.48 is able to address this issue. The identifier of the patch is 7322e9bc30cb282575a701c307851fd3d66fee68. It is suggested to upgrade the affected component.

Affected

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

Binutils· Gnu
95%
2.47
Vendor states this is fixed in 2.48 (unaffected)

Remediation

No guide yet

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

Patch and advisory references

References (8)

VDB EntryTechnical DescriptionThird Party Advisory
Source: cverecord
https://vuldb.com/vuln/404052
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/404052/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-91781
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/933336
Issue TrackingExploitThird Party Advisory
Source: cverecord
https://sourceware.org/bugzilla/show_bug.cgi?id=34449
ExploitThird Party Advisory
Source: cverecord
https://github.com/Ech06/CVE_submit/tree/main/bugzilla/pocs/34449
Broken LinkPatchThird Party Advisory
Source: cverecord
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=7322e9bc30cb282575a701c307851fd3d66fee68
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

3.3LOWVulDB
Vector?

Quick Info

StatusANALYZED
CWE
CWE-476CWE-404

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