CVE-2026-38639 Denial of service in n/a
Attackers can cause a Denial of Service in relibc by providing crafted input to the strptime function.
- 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-2026-38639?
CVE-2026-38639 is a high-severity denial of service vulnerability in n/a, published on 26 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 parse_month function (/time/strptime.rs) of relibc commit ab6a2e allows attackers to cause a Denial of Service (DoS) via parsing a crafted input.
Weakness: CWE-20
Which versions are affected by CVE-2026-38639?
How do I fix CVE-2026-38639?
No fix has been published for CVE-2026-38639 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-2026-38639 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-38639 exists.
Sources
Also known as GHSA-h7fg-9r35-998m.