Vulnerability · Published Mar 15, 2026 · Assigned by redhat
CVE-2026-3442Binutils: gnu binutils: information disclosure or denial of service via out-of-bounds read in bfd linker
Medium 6.1
In plain English
A medium-severity out-of-bounds read in Red Hat Enterprise Linux 10 from Red Hat. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 18% of all known vulnerabilities).
Official 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 packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | binutils | no fix listed | DEBIAN-CVE-2026-3442 |
| Debian:13 | binutils | no fix listed | DEBIAN-CVE-2026-3442 |
| Debian:14 | binutils | no fix listed | DEBIAN-CVE-2026-3442 |
| Ubuntu:22.04:LTS | binutils | no fix listed | UBUNTU-CVE-2026-3442 |
| Ubuntu:24.04:LTS | binutils | no fix listed | UBUNTU-CVE-2026-3442 |
| Ubuntu:25.10 | binutils | no fix listed | UBUNTU-CVE-2026-3442 |
| Ubuntu:26.04:LTS | binutils | no fix listed | UBUNTU-CVE-2026-3442 |
| Ubuntu:26.10 | binutils | no fix listed | UBUNTU-CVE-2026-3442 |
Affected products (as reported)
Weakness: CWE-125 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:L
References
- RHSA-2026:33527 vendor-advisory, x_refsource_REDHAT
- RHSA-2026:39022 vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2026-3442 vdb-entry, x_refsource_REDHAT
- RHBZ#2443828 issue-tracking, x_refsource_REDHAT