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Vulnerability record · CVE-2026-3442 · published 16 March 2026

CVE-2026-3442: Gnu binutils out-of-bounds read vulnerability

Gnu · Binutils

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.

7.1 CVSS 3.1 High EPSS 0.19% · top 92.1% CWE-125 · Out-of-bounds read
7.1CVSS 3.1 base score
0.19%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
4References
1 Sep 2026Last modified by NVD

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.

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

Affected products

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

References

LinkTags
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 Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2443828 Issue TrackingVendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2026-3442), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.