What’s Vulnerable › Vulnerabilities

CVE-2026-6845: Binutils: binutils: denial of service via crafted elf file

• Severity: medium (CVSS 5.0 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% 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-476

Description

A flaw was found in binutils, specifically within the `readelf` utility. This vulnerability allows a local attacker to cause a Denial of Service (DoS) by tricking a user into processing a specially crafted Executable and Linkable Format (ELF) file. The exploitation of this flaw can lead to the system becoming unresponsive due to excessive resource consumption or a program crash.

Affected products

• GNU Binutils: all versions
• Red Hat Enterprise Linux: 6.0, 7.0, 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-2026:34924
• https://access.redhat.com/errata/RHSA-2026:39022
• https://access.redhat.com/security/cve/CVE-2026-6845
• https://bugzilla.redhat.com/show_bug.cgi?id=2460012

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