Microsoft · GNU Binutils ld xmalloc.c xstrdup memory leak
Affects MicrosoftSource GCVE Database
Not known to be exploited.
Data as of 25 Oct 2026, 19:02 UTC
Rated by Threat Radar · No CVSS score from NVD or the CNA
- EPSS
- 0.5% chance of exploitation in 30 days – higher than 47% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Exploitation evidence
Disclosed: evidence found.
CVE published 2 Feb 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Microsoft Security Response Center Microsoft | Affected
| Fixed in– |
AI-suggested
No specific mitigation actions can be recommended at this time.
Description
CVE-2025-1149 is a memory leak vulnerability in GNU Binutils ld related to the xmalloc.c xstrdup function. The vulnerability is categorized under CWE-401 (Improper Release of Memory). There is no CVSS score available, no known exploits in the wild, and no patch or remediation information provided. The affected products include Microsoft and Azure Linux versions 2.0 and 3.0. The vendor advisory does not provide specific remediation guidance or confirm patch availability. Due to the lack of detailed impact or exploitation information, the severity is assessed as medium.