Double Free in Gnu Gnutls
CVE-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.
Vulnerability class: Double Free
EPSS: 0.015 (71.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Gnu Gnutls
- Debian Debian_linux — versions 10.0, 11.0
- Fedoraproject Fedora — versions 35
- Redhat Enterprise_linux — versions 8.0, 9.0
- N/a Gnutls — versions gnutls 3.7.7(Fixed)
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (Third Party Advisory, x_refsource_MISC)
- secalert@redhat.com (Mailing List, x_refsource_MISC, Release Notes, Vendor Advisory)
- secalert@redhat.com (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- secalert@redhat.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- secalert@redhat.com (x_refsource_FEDORA, vendor-advisory)
Frequently asked questions
- What is CVE-2022-2509?
- CVE-2022-2509 is a high-severity vulnerability in Gnu Gnutls, classified under Double Free. CVSS score: 7.5/10. Published 2022-08-01.
- How severe is CVE-2022-2509?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2022-2509 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.