CVE-2026-38637 Denial of service in n/a
Attackers can cause a Denial of Service in relibc via crafted input to pthread_rwlockattr_setpshared.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-38637?
CVE-2026-38637 is a high-severity denial of service vulnerability in n/a, published on 25 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue in the pthread_rwlockattr_setpshared() function of relibc commit 61f42d allows attackers to cause a Denial of Service (DoS) via a crafted input.
Weakness: CWE-400
Which versions are affected by CVE-2026-38637?
How do I fix CVE-2026-38637?
No fix has been published for CVE-2026-38637 yet. Limit exposure of the affected software until one is available.
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-2026-38637 being exploited?
There is no known exploitation of CVE-2026-38637 in the wild and no public exploit code.
Sources
Also known as GHSA-8332-h5x6-6996.