CVE-2026-13757: P11-kit: stack exhaustion via unbounded recursion in rpc attribute parsing
CSIRTS triage
- What
- There is a stack exhaustion vulnerability due to unbounded recursion in RPC attribute parsing.
- Who is affected
- Deployments of p11-kit that utilize RPC attribute parsing are affected.
- Urgency
- Remediation is medium priority due to moderate severity and lack of known exploitation.
- Action
- Update to the latest version of p11-kit to mitigate this vulnerability.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-13757
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-137570.15% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 4% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-13757 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
- medium[UPDATE] [mittel] Red Hat Enterprise Linux (p11-kit): Schwachstelle ermöglicht Denial of Servicecert-bund
- unknownMultiples vulnérabilités dans les produits VMware (07 septembre 2026)cert-fr-avis
- unknownUSN-8687-1: p11-kit vulnerabilitiesubuntu
- mediumCVE-2026-13757: A flaw was found in p11-kit. The RPC message attribute parsing functions p11_rpc_message_get_a…nvd