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Ubuntu Security NoticesUSN-8687-1

USN-8687-1: p11-kit vulnerabilities

It was discovered that p11-kit incorrectly handled certain RPC messages. A local attacker could use this issue to cause p11-kit to crash, resulting in a denial of service. (CVE-2026-13757) It was discovered that p11-kit incorrectly handled nested attribute decoding on 32-bit systems. A local attacker could use this issue to cause p11-kit to crash, resulting in a denial of service. (CVE-2026-18938)

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  1. Published by Ubuntu

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  2. Added to SecurityAlert

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  3. Confirmed at the source

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Vulnerabilities

CVEs named in this advisory

CVE-2026-13757View CVSS, KEV, EPSS, and threat contextCVE-2026-18938View CVSS, KEV, EPSS, and threat context
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