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CVE-2026-91782 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:3.3 LOWVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/Ech06/CVE_submit/tree/main/bugzilla/pocs/34448	[email protected]	Third Party Advisory
https://sourceware.org/bugzilla/show_bug.cgi?id=34448	[email protected]	ExploitThird Party Advisory
https://vuldb.com/cve/CVE-2026-91782	[email protected]	Third Party Advisory
https://vuldb.com/submit/933335	[email protected]	Exploit
https://vuldb.com/vuln/404053	[email protected]	Permissions Required
https://vuldb.com/vuln/404053/cti	[email protected]	Permissions Required
https://www.gnu.org/	[email protected]	Product

see all 7 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-404	Improper Resource Shutdown or Release	[email protected]
CWE-476	NULL Pointer Dereference	[email protected]

Affected Products

Product	Versions
gnu binutils	2.47
CPE cpe:2.3:a:gnu:binutils:2.47:::::::* Remediation No remediation found in references.

Change History

3 change records found show changes

Date	Action	Recorded By
Sep 17, 2026	CVE Modified	CISA-ADP
Sep 16, 2026	Initial Analysis	[email protected]
Sep 15, 2026	New CVE Received	[email protected]