What’s Vulnerable › Vulnerabilities

CVE-2026-3442: Binutils: gnu binutils: information disclosure or denial of service via out-of-bounds read in bfd linker

• Severity: high (CVSS 7.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-03-16 · updated 2026-09-01
• Weakness: CWE-125

Description

A flaw was found in GNU Binutils. This vulnerability, a heap-based buffer overflow, specifically an out-of-bounds read, exists in the bfd linker component. An attacker could exploit this by convincing a user to process a specially crafted malicious XCOFF object file. Successful exploitation may lead to the disclosure of sensitive information or cause the application to crash, resulting in an application level denial of service.

Affected products

• GNU Binutils: all versions
• Red Hat Enterprise Linux: 6.0, 7.0, 8.0, 9.0, 10.0
• 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-2026-3442
• https://bugzilla.redhat.com/show_bug.cgi?id=2443828

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