How severe is CVE-2026-41989?

CVE-2026-41989 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2026-41989 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-41989?

CVE-2026-41989 affects Gnupg Libgcrypt. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-41989?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-41989 have an EU (EUVD) identifier?

Yes. CVE-2026-41989 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-25192.

When was CVE-2026-41989 published?

CVE-2026-41989 was published on 2026-04-23 and last updated on 2026-06-17.

CVE-2026-41989

CVE-2026-41989 is a medium-severity vulnerability in Gnupg Libgcrypt with a CVSS 3.x base score of 6.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.

Key facts

Severity: Medium (CVSS 3.x base score 6.7)
EPSS exploit prediction: 0% (8th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-25192
Weakness: CWE-787
Affected product: Gnupg Libgcrypt
Published: 2026-04-23
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2026-41989?: Libgcrypt before 1.12.2 sometimes allows a heap-based buffer overflow and denial of service via crafted ECDH ciphertext to gcry_pk_decrypt.
How severe is CVE-2026-41989?: CVE-2026-41989 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2026-41989 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-41989?: CVE-2026-41989 affects Gnupg Libgcrypt. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-41989?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-41989 have an EU (EUVD) identifier?: Yes. CVE-2026-41989 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-25192.
When was CVE-2026-41989 published?: CVE-2026-41989 was published on 2026-04-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:gnupg:libgcrypt:*:*:*:*:*:*:*:*

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CVE-2017-7526 — Medium (CVSS 6.1): libgcrypt before version 1.7.8 is vulnerable to a cache side-channel attack resulting into a complete break of RSA-1024…
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