CVE-2026-41989
6.7
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H
Summary
Libgcrypt before 1.12.2 sometimes allows a heap-based buffer overflow and denial of service via crafted ECDH ciphertext to gcry_pk_decrypt.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| gnupg | Libgcrypt | 1.8.8 < 1.10.4 | affected |
| gnupg | Libgcrypt | 1.11.0 < 1.11.3 | affected |
| gnupg | Libgcrypt | 1.12.0 < 1.12.2 | affected |
Weaknesses
- CWE-787: CWE-787 Out-of-bounds Write
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
- https://lists.gnupg.org/pipermail/gnupg-announce/2026q2/000503.html
- https://dev.gnupg.org/T8211
- https://www.openwall.com/lists/oss-security/2026/04/21/1
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