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TI-2022-02318 Aliases CVE-2022-2509GHSA-w33j-4mrg-pgc3

Double free in GnuTLS

Priority MEDIUM 43CWE-415Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Partial Red Hat: 4 fixed, 1 without a fix

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-415 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.02269 83rd percentileScored 2026-11-07
Fix Partial Red Hat: 2 advisoriesRed Hat: 4 fixed, 1 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
—GnuTLSgnutls 3.7.7(Fixed)—No fix listedCNA
  • GnuTLS Vendor— Affected gnutls 3.7.7(Fixed) Fixed in — No fix listed CNA

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:a:gnu:gnutls:*:*:*:*:*:*:*:*before 3.7.7VulnerableGNU
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*8.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*9.0VulnerableRed Hat
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*35VulnerableFedoraproject
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*10.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*11.0VulnerableDebian
  • cpe:2.3:a:gnu:gnutls:*:*:*:*:*:*:*:* Versions before 3.7.7 Vulnerable ·GNU
  • cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Red Hat
  • cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* Versions 35 Vulnerable ·Fedoraproject
  • cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* Versions 11.0 Vulnerable ·Debian

Remediation

Red Hat 2 advisories

  • RHSA-2022:7105 Released 2022-10-25 · Red Hat rating Moderate
    gnutls security update
    • Red Hat Enterprise Linux AppStream (v. 8) gnutls-c++-3.6.16-5.el8_6, gnutls-dane-3.6.16-5.el8_6, gnutls-devel-3.6.16-5.el8_6 +1
    • Red Hat Enterprise Linux BaseOS (v. 8) gnutls-3.6.16-5.el8_6
  • RHSA-2022:6854 Released 2022-10-11 · Red Hat rating Moderate
    gnutls and nettle security, bug fix, and enhancement update
    • Red Hat Enterprise Linux AppStream (v. 9) gnutls-c++-3.7.6-12.el9_0, gnutls-dane-3.7.6-12.el9_0, gnutls-devel-3.7.6-12.el9_0 +1
    • Red Hat Enterprise Linux BaseOS (v. 9) gnutls-3.7.6-12.el9_0

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 7AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2022:7105
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2022:6854
Red Hat Enterprise Linux BaseOS (v. 8)Fixed RHSA-2022:7105
Red Hat Enterprise Linux BaseOS (v. 9)Fixed RHSA-2022:6854
Not affected: 3 products
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux AppStream (v. 9)
  • Red Hat Enterprise Linux BaseOS (v. 9)

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-2509
  2. 2026-10-03 Alias added: GHSA-w33j-4mrg-pgc3

References

Advisory 5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences