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CVE-2026-90803 Details

Description

A security vulnerability has been detected in GNU Binutils 2.47. Affected by this vulnerability is the function elf_x86_64_relocate_section of the file bfd/elf64-x86-64.c of the component ld. Such manipulation of the argument roff leads to buffer overflow. An attack has to be approached locally. The exploit has been disclosed publicly and may be used. Upgrading to version 2.48 addresses this issue. The name of the patch is 471130b39c03623ec6d78ece377ff4da3f6bfe7b. It is recommended to upgrade the affected component.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.8 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:H

CNA: [email protected]CVSS-B:5.3 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/r1ck9-2q/cve_summit/blob/main/Heap%20OOB%20readwrite%20and%20SEGV%20in%20%60elf_x86_64_relocate_section%60%20(bfdelf64-x86-64.c4530%20%204835)%20via%20malformed%20relocation.md	[email protected]	ExploitMitigationThird Party Advisory
https://sourceware.org/bugzilla/show_bug.cgi?id=34444	[email protected]	ExploitThird Party Advisory
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=471130b39c03623ec6d78ece377ff4da3f6bfe7b	[email protected]	Patch
https://vuldb.com/cve/CVE-2026-90803	[email protected]	Permissions RequiredThird Party AdvisoryVDB Entry
https://vuldb.com/submit/920280	[email protected]	Permissions RequiredThird Party AdvisoryVDB Entry
https://vuldb.com/vuln/403305	[email protected]	Permissions RequiredThird Party AdvisoryVDB Entry
https://vuldb.com/vuln/403305/cti	[email protected]	Permissions RequiredThird Party AdvisoryVDB Entry
https://www.gnu.org/	[email protected]	Product

see all 8 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-119	Improper Restriction of Operations within the Bounds of a Memory Buffer	[email protected]
CWE-120	Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')	[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 18, 2026	Initial Analysis	[email protected]
Sep 14, 2026	CVE Modified	CISA-ADP
Sep 14, 2026	New CVE Received	[email protected]