CVE-2026-90829: GNU Binutils SHT_GROUP Section elf.c bfd_elf_set_group_contents null pointer dereference

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-09-14 · updated 2026-09-16
Weakness: CWE-404

Description

A weakness has been identified in GNU Binutils 2.47. This issue affects the function bfd_elf_set_group_contents of the file bfd/elf.c of the component SHT_GROUP Section Handler. 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.

Affected products

GNU Binutils: 2.47

References

https://sourceware.org/bugzilla/attachment.cgi?id=16883
https://sourceware.org/bugzilla/show_bug.cgi?id=34451
https://vuldb.com/cve/CVE-2026-90829
https://vuldb.com/submit/925228
https://vuldb.com/vuln/403331
https://vuldb.com/vuln/403331/cti
https://www.gnu.org/
https://sourceware.org/bugzilla/show_bug.cgi?id=34451

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