CVE-2026-42014: Gnutls: fix use-after-free in gnutls_pkcs11_token_set_pin
CSIRTS triage
- What
- This vulnerability is a use-after-free issue in gnutls_pkcs11_token_set_pin.
- Who is affected
- Deployments of GnuTLS are affected by this vulnerability.
- Urgency
- Remediation is important due to a medium severity rating and potential exploitation.
- Action
- Update to the latest version of GnuTLS to mitigate this issue.
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-2026-42014
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-2026-420140.15% 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-2026-42014 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
- high[UPDATE] [high] GnuTLS: Multiple vulnerabilitiescert-bund
- unknownUSN-8539-1: GnuTLS vulnerabilitiesubuntu
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