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Vulnerability record · CVE-2026-6844 · published 22 April 2026

CVE-2026-6844: Gnu binutils uncontrolled resource consumption vulnerability

Gnu · Binutils

A flaw was found in the `readelf` utility of the binutils package. A local attacker could exploit two Denial of Service (DoS) vulnerabilities by providing a specially crafted Executable and Linkable Format (ELF) file. One vulnerability, a resource exhaustion (CWE-400), can lead to an out-of-memory condition. The other, a null pointer dereference (CWE-476), can cause a segmentation fault. Both issues can result in the `readelf` utility becoming unresponsive or crashing, leading to a denial of service.

5.5 CVSS 3.1 Medium EPSS 0.15% · top 96.7% CWE-400 · Uncontrolled resource consumption
5.5CVSS 3.1 base score
0.15%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
2References
1 Sep 2026Last modified by NVD

Description

A flaw was found in the `readelf` utility of the binutils package. A local attacker could exploit two Denial of Service (DoS) vulnerabilities by providing a specially crafted Executable and Linkable Format (ELF) file. One vulnerability, a resource exhaustion (CWE-400), can lead to an out-of-memory condition. The other, a null pointer dereference (CWE-476), can cause a segmentation fault. Both issues can result in the `readelf` utility becoming unresponsive or crashing, leading to a denial of service.

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected products

4 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://access.redhat.com/security/cve/CVE-2026-6844 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2460016 Issue TrackingThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2026-6844), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.