Gnutls: gnutls: information disclosure via timing side-channel in pkcs#7 padding removal
Historical advisory recorded 3 Nov 2026 19:57:16 UTC. Read the latest advisory.
cve-program · CVE-2026-5419
PublishedA 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.
Read the publisher's advisoryAffected versions, risk and source history
cve-program · CVE-2026-5419
PublishedGnutls: gnutls: information disclosure via timing side-channel in pkcs#7 padding removal
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.
- Source published
- 1 Jun 2026 19:26:56 UTC
- Source modified
- 3 Nov 2026 18:34:24 UTC
- Saved here
- 3 Nov 2026 19:57:16 UTC
- Source terms
- CVE Program Terms of Use
Original source record · Cite this exact observation · Complete original publisher JSON
Source: cve-program · CVE Program Terms of Use. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.
CVSS 3.1 · 3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N