CVE-2026-91779: GNU Binutils Eh Frame elf-eh-frame.c _bfd_elf_eh_frame_section_offset null pointer dereference

Severity: low (CVSS 3.3 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: none known
Published: 2026-09-15 · updated 2026-09-16
Weakness: CWE-404

Description

A security flaw has been discovered in GNU Binutils 2.47. This affects the function _bfd_elf_eh_frame_section_offset of the file bfd/elf-eh-frame.c of the component Eh Frame Handler. Performing a manipulation results in null pointer dereference. The attack must be initiated from a local position. The exploit has been released to the public and may 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://github.com/Ech06/CVE_submit/blob/main/bugzilla/issues/34446.md
https://sourceware.org/bugzilla/show_bug.cgi?id=34446
https://vuldb.com/cve/CVE-2026-91779
https://vuldb.com/submit/933333
https://vuldb.com/vuln/404050
https://vuldb.com/vuln/404050/cti
https://www.gnu.org/

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