CVE-2026-5419Low· 3.7▾ SunlitA flaw was found in gnutls. The PKCS#7 padding check, performed during decryption, was not constant-time. This timing side-channel could allow a remote attacker to potentially leak sensitive information about the padding bytes through ob…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 20.4 · likelihood 0.1 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Jul 30.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
0.4%
0.4% → 0.6%
Last analysed / modified upstream
A flaw was found in gnutls. The PKCS#7 padding check, performed during decryption, was not constant-time. This timing side-channel could allow a remote attacker to potentially leak sensitive information about the padding bytes through observable timing differences. This vulnerability is a form of information disclosure.
Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-42014Medium· 6.6A flaw was found in GnuTLS
CVE-2026-5260High· 8.2A flaw was found in libgnutls
CVE-2026-42015Medium· 5.3A flaw was found in gnutls
CVE-2026-42013High· 8.2A flaw was found in gnutls
CVE-2026-3832Low· 3.7A flaw was found in gnutls
CVE-2026-42012High· 7.1A flaw was found in gnutls