CVE-2022-47629

CRITICALNVD 9.89.8—

9.8

Libksba before 1.6.3 is prone to an integer overflow vulnerability in the CRL signature parser.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 81.2%
KEV: Not listed

Published

December 20, 2022

Last Modified

April 16, 2025

Advisory Details (5)

Auto-updated May 28, 2026

Patch available.

generic

libksba: Remote Code Execution (GLSA 202212-07) — Gentoo security

https://security.gentoo.org/glsa/202212-07

generic Patch Available

[SECURITY] [DLA 3248-1] libksba security update

https://lists.debian.org/debian-lts-announce/2022/12/msg00035.html

generic Patch Available

⚓ T6284 Another integer overflow in Libksba

https://dev.gnupg.org/T6284

generic

[SECURITY] [DSA 5305-1] libksba security update

https://www.debian.org/security/2022/dsa-5305

generic

NetApp Product Security

https://security.netapp.com/advisory/ntap-20230316-0011/

Patch Availability(12)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	libksba-dev (1.3.3-1ubuntu0.16.04.1+esm2) @ xenial	2026-05-25	ubuntu
ubuntu	libksba-dev (1.3.5-2ubuntu0.18.04.2) @ bionic	2026-05-25	ubuntu
redhat	redhat-virtualization-host-0:4.5.3-202302150956_8.6	2023-02-21	redhat
redhat	patch	2023-02-14	redhat
redhat	libksba-0:1.3.5-9.el8_7	2023-02-07	redhat
redhat	libksba-0:1.3.5-9.el8_4	2023-02-07	redhat
redhat	libksba-0:1.5.1-6.el9_1	2023-02-07	redhat
redhat	libksba-0:1.5.1-6.el9_0	2023-02-07	redhat
redhat	libksba-0:1.3.5-9.el8_2	2023-02-06	redhat
redhat	libksba-0:1.3.5-9.el8_6	2023-02-06	redhat
redhat	libksba-0:1.3.5-9.el8_1	2023-02-06	redhat
redhat	libksba-0:1.3.0-7.el7_9	2023-01-30	redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-190Integer Overflow or Wraparound

All Vendor Advisories

(13)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 13× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-05 22:46 UTCepss_batch
2026-06-05 22:46 UTCepss_batch
2026-06-05 06:09 UTCepss_batch
2026-06-05 06:09 UTCepss_batch
2026-06-04 13:11 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch

Frequently asked(5)

What is CVE-2022-47629?

CVE-2022-47629 is a critical vulnerability published on December 20, 2022. Libksba before 1.6.3 is prone to an integer overflow vulnerability in the CRL signature parser.

When was CVE-2022-47629 disclosed?

CVE-2022-47629 was first published in the National Vulnerability Database on December 20, 2022, with the most recent update on April 16, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2022-47629 actively exploited?

CVE-2022-47629 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 81.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2022-47629?

CVE-2022-47629 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2022-47629?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-47629, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2022-47629

Published

Last Modified

Advisory Details (5)

libksba: Remote Code Execution (GLSA 202212-07) — Gentoo security

[SECURITY] [DLA 3248-1] libksba security update

⚓ T6284 Another integer overflow in Libksba

[SECURITY] [DSA 5305-1] libksba security update

NetApp Product Security

Patch Availability(12)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2022-47629?

Same vendor

Same CWE

CVE-2022-47629

📅 Published

🔄 Last Modified

📋 Advisory Details (5)

libksba: Remote Code Execution (GLSA 202212-07) — Gentoo security

[SECURITY] [DLA 3248-1] libksba security update

⚓ T6284 Another integer overflow in Libksba

[SECURITY] [DSA 5305-1] libksba security update

NetApp Product Security

Patch Availability(12)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2022-47629?

🔗 Related CVEs(same vendor + same CWE)

Same vendor

Same CWE

Published

Last Modified

Advisory Details (5)

Frequently asked(5)

Related CVEs(same vendor + same CWE)