Vulnerabilities

Vulnerability · CVE-2022-2509

A vulnerability found in gnutls.

Published Aug 1, 2022 · catalog updated Oct 14, 2026 · A vulnerability found in

Check if you run it

No confirmed exploitation is on record for CVE-2022-2509. EPSS is 2.13%. Act only if a listed version of A vulnerability found in is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (A vulnerability found in).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High7.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
2.13%
Remediation
Advisory link
Affected products
cpe debian/debian linux · cpe fedoraproject/fedora · cpe gnu/gnutls · cpe redhat/enterprise linux

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe debian/debian linux10.0
  • cpe debian/debian linux11.0
  • cpe fedoraproject/fedora35
  • cpe gnu/gnutlsversion unspecified
  • cpe redhat/enterprise linux8.0
  • cpe redhat/enterprise linux9.0

How to fix CVE-2022-2509

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2022-2509. EPSS is 2.13%. Act only if a listed version of A vulnerability found in is installed.

Which versions are affected?

Compare what you have installed with debian/debian linux 10.0; debian/debian linux 11.0; redhat/enterprise linux 8.0; redhat/enterprise linux 9.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-415: Double Free. EPSS 2.13%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Aug 1, 2022 · NIST NVD

    Detected

    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.

  2. Oct 14, 2026 · NIST NVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2022-2509

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2022-2509

    30-day exploitation probability 2.1%

    first.org
  • NIST NVDVulnerability recordCVE-2022-2509

    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.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 16, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.