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Ubuntu Security Notice USN-7423-2
April 29, 2025

binutils vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

Several security issues were fixed in GNU binutils.

Software Description:
- binutils: GNU assembler, linker and binary utilities

Details:

USN-7423-1 fixed several vulnerabilities in GNU. This update provides
the corresponding update for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS.

Original advisory details:

 It was discovered that GNU binutils incorrectly handled certain inputs.
 An attacker could possibly use this issue to cause a crash or execute
 arbitrary code. (CVE-2025-0840)

 It was discovered that GNU binutils incorrectly handled certain inputs.
 An attacker could possibly use this issue to cause a crash, expose
 sensitive information or execute arbitrary code.
 (CVE-2025-1153)

 It was discovered that ld in GNU binutils incorrectly handled certain
 files. An attacker could possibly use this issue to execute arbitrary
 code. (CVE-2025-1176)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 18.04 LTS
  binutils                        2.30-21ubuntu1~18.04.9+esm4
                                  Available with Ubuntu Pro
  binutils-multiarch              2.30-21ubuntu1~18.04.9+esm4
                                  Available with Ubuntu Pro

Ubuntu 16.04 LTS
  binutils                        2.26.1-1ubuntu1~16.04.8+esm11
                                  Available with Ubuntu Pro
  binutils-multiarch              2.26.1-1ubuntu1~16.04.8+esm11
                                  Available with Ubuntu Pro

In general, a standard system update will make all the necessary changes.

References:
  https://ubuntu.com/security/notices/USN-7423-2
  https://ubuntu.com/security/notices/USN-7423-1
  CVE-2025-0840, CVE-2025-1153, CVE-2025-1176