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.
02 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.
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 2.25% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 82.6% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-10-14.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2022-08-01 14:01Z4 YR AGO
- Last updated
- 2026-10-14 13:07Z15 DAYS AGO
- Reserved
- 2022-07-22
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- High (CVSS 7.5)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-415Double FreeVariant
- Data version
- 5.2
- Document digest
- 132581d8781e447320b0f39ac86232f55cf375f3d1c0bb878d80f8ab670899b9
05 Affected products
06 References
- access.redhat.comhttps://access.redhat.com/security/cve/CVE-2022-2509
- lists.gnupg.orghttps://lists.gnupg.org/pipermail/gnutls-help/2022-July/004746.html
- www.debian.orgDSA-5203https://www.debian.org/security/2022/dsa-5203
- lists.debian.org[debian-lts-announce] 20220812 [SECURITY] [DLA 3070-1] gnutls28 security updatehttps://lists.debian.org/debian-lts-announce/2022/08/msg00002.html
- lists.fedoraproject.orgFEDORA-2022-5470992bfchttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6FL27JS3VM74YEQU7PGB62USO3KSBYZX/
- cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-398330.html
07 Fixed in
AlmaLinux 8
- gnutls Fixed in 3.6.16-5.el8_6
- gnutls-c++ Fixed in 3.6.16-5.el8_6
- gnutls-dane Fixed in 3.6.16-5.el8_6
- gnutls-devel Fixed in 3.6.16-5.el8_6
- gnutls-utils Fixed in 3.6.16-5.el8_6
Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
AlmaLinux 9
- gnutls Fixed in 3.7.6-12.el9_0
- gnutls-c++ Fixed in 3.7.6-12.el9_0
- gnutls-dane Fixed in 3.7.6-12.el9_0
- gnutls-devel Fixed in 3.7.6-12.el9_0
- gnutls-utils Fixed in 3.7.6-12.el9_0
Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
CloudLinux 8
- gnutls Fixed in 3.6.16-5.el8_6
- gnutls-c++ Fixed in 3.6.16-5.el8_6
- gnutls-dane Fixed in 3.6.16-5.el8_6
- gnutls-devel Fixed in 3.6.16-5.el8_6
- gnutls-utils Fixed in 3.6.16-5.el8_6
Derived from AlmaLinux 8. Partial coverage: only packages taken from AlmaLinux 8 are listed.
Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
CloudLinux 9
- gnutls Fixed in 3.7.6-12.el9_0
- gnutls-c++ Fixed in 3.7.6-12.el9_0
- gnutls-dane Fixed in 3.7.6-12.el9_0
- gnutls-devel Fixed in 3.7.6-12.el9_0
- gnutls-utils Fixed in 3.7.6-12.el9_0
Derived from AlmaLinux 9. Partial coverage: only packages taken from AlmaLinux 9 are listed.
Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
Debian 12
- gnutls28 Fixed in 3.7.7-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- gnutls28 Fixed in 3.7.7-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- gnutls28 Fixed in 3.7.7-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- gnutls28 Fixed in 3.5.18-1ubuntu1.6
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 20.04 LTS
- gnutls28 Fixed in 3.6.13-2ubuntu1.7
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 22.04 LTS
- gnutls28 Fixed in 3.7.3-4ubuntu1.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.