What’s Vulnerable › Vulnerabilities

CVE-2026-6846: Binutils: binutils: arbitrary code execution via malformed xcoff object file processing

• Severity: high (CVSS 7.8 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: 2026-04-22 · updated 2026-10-26
• Weakness: CWE-122

Description

A flaw was found in binutils. A heap-buffer-overflow vulnerability exists when processing a specially crafted XCOFF (Extended Common Object File Format) object file during linking. A local attacker could trick a user into processing this malicious file, which could lead to arbitrary code execution, allowing the attacker to run unauthorized commands, or cause a denial of service, making the system unavailable.

Affected products

• GNU Binutils: through 2.46
• Red Hat Enterprise Linux: 6.0, 8.0, 9.0, 10.0
• RedHat Hardened Images: all versions
• Red Hat OpenShift Container Platform 4.18: 4.0

References

• https://access.redhat.com/errata/RHSA-2026:33527
• https://access.redhat.com/errata/RHSA-2026:39022
• https://access.redhat.com/security/cve/CVE-2026-6846
• https://bugzilla.redhat.com/show_bug.cgi?id=2460006
• https://access.redhat.com/errata/RHSA-2026:33527
• https://access.redhat.com/security/cve/CVE-2026-6846
• https://bugzilla.redhat.com/show_bug.cgi?id=2460006
• https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-6846.json

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