CVE-2026-41989

MEDIUMNVD 6.76.7—

6.7

Libgcrypt before 1.12.2 sometimes allows a heap-based buffer overflow and denial of service via crafted ECDH ciphertext to gcry_pk_decrypt.

CVSS v3: 6.7
EG Score: 6.7(high)
EPSS: 0.6%
KEV: Not listed

Published

April 23, 2026

Last Modified

April 27, 2026

References (3)

cve@mitrehttps://dev.gnupg.org/T8211
cve@mitrehttps://lists.gnupg.org/pipermail/gnupg-announce/2026q2/000503.html
cve@mitrehttps://www.openwall.com/lists/oss-security/2026/04/21/1

Patch Availability(1)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
redhat	libgcrypt-main-1.12.2-1.hum1	2026-04-16	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-787Out-of-bounds Write

All Vendor Advisories

(2)

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 12× in last 7d / 19× 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.

2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-26 13:44 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-20 22:38 UTCepss_batch
2026-05-20 22:38 UTCepss_batch
2026-05-20 16:03 UTCEG score recompute
2026-05-20 16:03 UTCVendor advisory
2026-05-20 16:03 UTCGHSA enrichment
2026-05-20 11:22 UTCepss_batch
2026-05-20 11:22 UTCepss_batch

Frequently asked(5)

What is CVE-2026-41989?

CVE-2026-41989 is a medium vulnerability published on April 23, 2026. Libgcrypt before 1.12.2 sometimes allows a heap-based buffer overflow and denial of service via crafted ECDH ciphertext to gcrypkdecrypt.

When was CVE-2026-41989 disclosed?

CVE-2026-41989 was first published in the National Vulnerability Database on April 23, 2026, with the most recent update on April 27, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-41989 actively exploited?

CVE-2026-41989 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-41989?

CVE-2026-41989 has a CVSS v3 base score of 6.7 (NVD).

How do I remediate CVE-2026-41989?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-41989, 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-2026-41989

Published

Last Modified

References (3)

Patch Availability(1)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2026-41989?

Same vendor

Same CWE

CVE-2026-41989

📅 Published

🔄 Last Modified

🔗 References (3)

Patch Availability(1)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2026-41989?

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Frequently asked(5)

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