CVE-2025-1150 GNU Binutils ld libbfd.c bfd_malloc memory leak

Low 2.3 Published Updated

A memory leak in the GNU Binutils linker allows remote attackers to cause denial of service via high-complexity exploitation.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2025-1150?

CVE-2025-1150 is a low-severity denial of service vulnerability in Gnu Binutils, published on 10 Feb 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

A vulnerability was found in GNU Binutils 2.43. It has been declared as problematic. This vulnerability affects the function bfd_malloc of the file libbfd.c of the component ld. The manipulation leads to memory leak. The attack can be initiated remotely. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used. It is recommended to apply a patch to fix this issue. The code maintainer explains: "I'm not going to commit some of the leak fixes I've been working on to the 2.44 branch due to concern that would destabilise ld. All of the reported leaks in this bugzilla have been fixed on binutils master."

Weakness: CWE-404, CWE-401

Which versions are affected by CVE-2025-1150?

It affects 1 product.

Products include Gnu Binutils.

How do I fix CVE-2025-1150?

Apply the vendor's patch.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2025-1150 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-1150 exists.

All Gnu Binutils vulnerabilities

Sources

Also known as AZL-56693, AZL-56719, AZL-56773, AZL-56780, BELL-CVE-2025-1150, DEBIAN-CVE-2025-1150 and 3 more.

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