CVE-2026-91780

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.

• CWE-404
• CWE-476

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

Published

Sep 15, 2026

Last Modified

Sep 16, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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