CVE-2026-16529 Pcp: pcp: denial of service due to signed integer overflow
A signed integer overflow in PCP allows remote attackers to cause a permanent denial of service via crafted network packets.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-16529?
CVE-2026-16529 is a high-severity vulnerability in Red Hat Enterprise Linux 10, published on 30 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A signed integer overflow in the PCP __pmGetPDU() function can be exploited via crafted network packets during PDU processing or SASL negotiation. This permanently blinds the affected daemon, resulting in a total denial of service (DoS) for subsequent packet reads.
Weakness: CWE-190
Which versions are affected by CVE-2026-16529?
How do I fix CVE-2026-16529?
Apply the vendor's patch.
Is CVE-2026-16529 being exploited?
There is no known exploitation of CVE-2026-16529 in the wild and no public exploit code.
Sources
Also known as AZL-94374, DEBIAN-CVE-2026-16529, GHSA-hm96-wjh8-qqgm, UBUNTU-CVE-2026-16529.