CVE-2026-41989
MEDIUMCVSS 6.7/10EPSS 0.18%
Last modified
CVE-2026-41989 is a medium-severity vulnerability rated 6.7/10 on the CVSS scale. Libgcrypt before 1.12.2 sometimes allows a heap-based buffer overflow and denial of service via crafted ECDH ciphertext to gcry_pk_decrypt.. EPSS estimates a 0.18% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Gnupg | Libgcrypt | >= 1.8.8, < 1.10.4 |
| Gnupg | Libgcrypt | >= 1.11.0, < 1.11.3 |
| Gnupg | Libgcrypt | >= 1.12.0, < 1.12.2 |
References
- https://dev.gnupg.org/T8211Broken Link
- https://lists.gnupg.org/pipermail/gnupg-announce/2026q2/000503.htmlThird Party Advisory
- https://www.openwall.com/lists/oss-security/2026/04/21/1Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
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 score of 6.7/10 (MEDIUM severity). The EPSS model estimates a 0.18% probability of exploitation in the next 30 days.
How do I fix CVE-2026-41989?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2026-41989?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST