What’s Vulnerable › Vulnerabilities

CVE-2026-91782: GNU Binutils Dynamic Relocation Allocation elfxx-x86.c elf_x86_allocate_dynrelocs 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: yes
• Published: 2026-09-15 · updated 2026-09-17
• Weakness: CWE-404

Description

A vulnerability was detected in GNU Binutils 2.47. Affected by this vulnerability is the function elf_x86_allocate_dynrelocs of the file bfd/elfxx-x86.c of the component Dynamic Relocation Allocation. The manipulation results in null pointer dereference. The attack requires a local approach. The exploit is now public and may be used. Upgrading to version 2.48 addresses this issue. The patch is identified as d1268210b6f6/471130b39c0/283d3198bed/0a84e560216/a692a633d40. Upgrading the affected component is recommended.

Affected products

• GNU Binutils: 2.47

References

• https://github.com/Ech06/CVE_submit/tree/main/bugzilla/pocs/34448
• https://sourceware.org/bugzilla/show_bug.cgi?id=34448
• https://vuldb.com/cve/CVE-2026-91782
• https://vuldb.com/submit/933335
• https://vuldb.com/vuln/404053
• https://vuldb.com/vuln/404053/cti
• https://www.gnu.org/

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