CVE-2025-1149: GNU Binutils ld xmalloc.c xstrdup memory leak
A vulnerability was found in GNU Binutils 2.43. It has been classified as problematic. This affects the function xstrdup of the file libiberty/xmalloc.c of the component ld. The manipulation leads to memory leak. It is possible to initiate the attack remotely. The complexity of an attack is rather high. The exploitability is told 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."
Other sources
GNU Binutils ld xmalloc.c xstrdup memory leak
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
GNU Binutils (ld / libiberty xmalloc.c: xstrdup)to a version that resolves this vulnerability.Fixed in 2.43 - Compensating control
Because the issue is reported as remotely initiatable and the exploit may be used, restrict network access to systems running GNU Binutils/ld (e.g., limit who can reach any service that could be used to trigger ld with untrusted input).
Event History
Frequently Asked Questions
What is the severity of CVE-2025-1149?
CVE-2025-1149 is classified as a problematic vulnerability due to its potential for memory leaks.
How do I fix CVE-2025-1149?
To mitigate CVE-2025-1149, update GNU Binutils to version 2.44 or later, where the vulnerability is addressed.
What component is affected by CVE-2025-1149?
CVE-2025-1149 affects the xstrdup function in the libiberty/xmalloc.c file of the GNU Binutils component.
Can CVE-2025-1149 be exploited remotely?
Yes, CVE-2025-1149 can potentially be initiated through a remote attack.
What version of GNU Binutils is affected by CVE-2025-1149?
GNU Binutils version 2.43 is the affected version in relation to CVE-2025-1149.