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CVE-2026-90803

GNU Binutils ld elf64-x86-64.c elf_x86_64_relocate_section buffer overflow

CVSS 4.0 4.8 MEDIUMCVSS 3.1 5.3 MEDIUMCVSS 3.0 5.3 MEDIUMCVSS 2.0 4.3 Check source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-90803

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-90803

Published

Binutils

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "GNU",
                    "product": "Binutils",
                    "versions": [
                        {
                            "version": "2.47",
                            "status": "affected"
                        },
                        {
                            "version": "2.48",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:2.3:a:gnu:binutils:*:*:*:*:*:*:*:*"
                    ],
                    "modules": [
                        "ld"
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON