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.
References10
- access.redhat.com/errata/RHSA-2026:55560
- access.redhat.com/errata/RHSA-2026:55617
- access.redhat.com/errata/RHSA-2026:55740
- access.redhat.com/errata/RHSA-2026:72272
- access.redhat.com/errata/RHSA-2026:72273
- access.redhat.com/errata/RHSA-2026:72593
- access.redhat.com/errata/RHSA-2026:72594
- access.redhat.com/errata/RHSA-2026:73767
- access.redhat.com/errata/RHSA-2026:74612
- access.redhat.com/errata/RHSA-2026:74613
Metrics
- CVSS 3.1
-
7.5
HIGH
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - EPSS — exploit probability
- 0% percentile: 42 · as of 13 November 2026
- CWE
- CWE-190
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.