CVE-2022-2509: Double Free

Published Aug 1, 2022
·
Updated

A vulnerability found in gnutls. This security flaw happens because of a double free error occurs during verification of pkcs7 signatures in gnutlspkcs7verify function.

Affected Software

7 affected componentsFixes available
debian/gnutls28<=3.6.7-4+deb10u8
3.6.7-4+deb10u103.7.1-5+deb11u33.7.9-23.8.1-4
GNU GnuTLS<3.7.7
redhat Enterprise Linux=8.0
redhat Enterprise Linux=9.0
Fedoraproject Fedora=35
Debian Debian Linux=10.0
Debian Debian Linux=11.0

Event History

Aug 1, 2022
CVE Published
via MITRE·02:01 PM
Data Sourced
via MITRE·02:01 PM
DescriptionWeakness
Data Sourced
via NVD·02:15 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is CVE-2022-2509?

CVE-2022-2509 is a vulnerability found in gnutls. It is a security flaw that occurs due to a double free error during the verification of pkcs7 signatures in the gnutls_pkcs7_verify function.

2

What is the severity of CVE-2022-2509?

CVE-2022-2509 has a severity level of high.

3

Which software is affected by CVE-2022-2509?

CVE-2022-2509 affects Gnu Gnutls, Redhat Enterprise Linux 8.0 and 9.0, Fedoraproject Fedora 35, and Debian Debian Linux 10.0 and 11.0.

4

How can I fix CVE-2022-2509?

To fix CVE-2022-2509, you should update the gnutls28 package to version 3.7.7 or above on affected systems.

5

Where can I find more information about CVE-2022-2509?

You can find more information about CVE-2022-2509 at the following references: [Red Hat](https://access.redhat.com/security/cve/CVE-2022-2509), [Debian LTS Announcement](https://lists.debian.org/debian-lts-announce/2022/08/msg00002.html), [Fedora Project](https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6FL27JS3VM74YEQU7PGB62USO3KSBYZX/)

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