CVE-2022-3515
At a glance
- Severity
- CRITICAL 9.8
- EPSS
- EPSS 1.70 % · percentile 77 (2026-10-27)
- State
- PUBLISHED
- Published
- Updated
- Assigner
- redhat
- NVD status
- Modified
Description
A vulnerability was found in the Libksba library due to an integer overflow within the CRL parser. The vulnerability can be exploited remotely for code execution on the target system by passing specially crafted data to the application, for example, a malicious S/MIME attachment.
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | CRITICAL 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | CISA-ADP |
| CVSS 3.1 | CRITICAL 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | NVD · nvd@nist.gov (Primary) |
| CVSS 3.1 | CRITICAL 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | NVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary) |
Weaknesses (CWE)
European references
- ENISA EUVD · EUVD-2022-42884
- GCVE · GCVE-0-2022-3515
CERT-FR advisories
- CERTFR-2026-AVI-0218 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
- CERTFR-2025-AVI-0969 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
- CERTFR-2025-AVI-0756 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
- CERTFR-2025-AVI-0158 — Multiples vulnérabilités dans les produits NetApp · cert.ssi.gouv.fr
- CERTFR-2024-AVI-0295 — Multiples vulnérabilités dans les produits Palo Alto Networks · cert.ssi.gouv.fr
- CERTFR-2024-AVI-0145 — Multiples vulnérabilités dans les produits IBM · cert.ssi.gouv.fr
- CERTFR-2024-AVI-0119 — Multiples vulnérabilités dans les produits Siemens · cert.ssi.gouv.fr
- CERTFR-2022-AVI-1069 — Multiples vulnérabilités dans les produits IBM · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:gnupg:libksba:*:*:*:*:*:*:*:*< 1.6.3cpe:2.3:a:gpg4win:gpg4win:*:*:*:*:*:*:*:*≥ 2.0.0 < 4.1.0cpe:2.3:a:gnupg:vs-desktop:*:*:*:*:*:*:*:*≥ 3.1.16 < 3.1.26cpe:2.3:a:gnupg:gnupg:*:*:*:*:lts:*:*:*≥ 2.1.0 < 2.2.41cpe:2.3:a:gnupg:gnupg:*:*:*:*:-:*:*:*≥ 2.3.0 < 2.4.0
Affected products
| Product | Versions |
|---|---|
| libksba | affected Fixed in libksba v1.6.2 |
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2135610
- https://www.gnupg.org/blog/20221017-pepe-left-the-ksba.html
- https://dev.gnupg.org/rK4b7d9cd4a018898d7714ce06f3faf2626c14582b
- https://access.redhat.com/security/cve/CVE-2022-3515
- https://security.netapp.com/advisory/ntap-20230706-0008/
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |