Vulnerability record · CVE-2026-91780 · published 15 September 2026

CVE-2026-91780: Gnu binutils improper resource shutdown vulnerability

Gnu · Binutils

A weakness has been identified in GNU Binutils 2.47. This impacts the function elf_link_add_object_symbols of the file bfd/elflink.c. Executing a manipulation can lead to null pointer dereference. The attack needs to be launched locally. 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.

1.9 CVSS 4.0 Low EPSS 0.17% · top 94.4% CWE-404 · Improper resource shutdownCWE-476 · NULL pointer dereference

1.9CVSS 4.0 base score, v2 1.7

0.17%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

9References

16 Sep 2026Last modified by NVD

Description

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Binutils Gnu

References

Link	Tags
https://github.com/Ech06/CVE_submit/tree/main/bugzilla/pocs/34447	Third Party Advisory
https://sourceware.org/bugzilla/show_bug.cgi?id=34447	Third Party Advisory
https://vuldb.com/cve/CVE-2026-91780	Third Party Advisory
https://vuldb.com/submit/933334	Third Party Advisory
https://vuldb.com/vuln/404051	Third Party Advisory
https://vuldb.com/vuln/404051/cti	Permissions Required
https://www.gnu.org/	Product
https://sourceware.org/bugzilla/show_bug.cgi?id=34447	Third Party Advisory
https://vuldb.com/submit/933334	Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-91780), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.