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Vulnerability record · CVE-2022-2509 · published 1 August 2022

CVE-2022-2509: Gnutls double free vulnerability

Gnu · Gnutls

A vulnerability found in gnutls. This security flaw happens because of a double free error occurs during verification of pkcs7 signatures in gnutls_pkcs7_verify function.

7.5 CVSS 3.1 High EPSS 2.0% · top 20.2% CWE-415 · Double free
7.5CVSS 3.1 base score
2.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
10References
17 Jun 2026Last modified by NVD

Description

A vulnerability found in gnutls. This security flaw happens because of a double free error occurs during verification of pkcs7 signatures in gnutls_pkcs7_verify function.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

4 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://access.redhat.com/security/cve/CVE-2022-2509 Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/08/msg00002.html Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6FL27JS3VM74YEQU7PGB62U
https://lists.gnupg.org/pipermail/gnutls-help/2022-July/004746.html Mailing ListRelease NotesVendor Advisory
https://www.debian.org/security/2022/dsa-5203 Third Party Advisory
https://access.redhat.com/security/cve/CVE-2022-2509 Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/08/msg00002.html Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6FL27JS3VM74YEQU7PGB62U
https://lists.gnupg.org/pipermail/gnutls-help/2022-July/004746.html Mailing ListRelease NotesVendor Advisory
https://www.debian.org/security/2022/dsa-5203 Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2022-2509), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.