CVE-2026-41989CWE-787

CVE-2026-41989

Medium · published April 23, 2026

CVSS v3.1
6.7
EPSS
0%
Percentile
8.4
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
6.7 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00192 · 8.4th percentile
Weakness
CWE-787 · Out-of-bounds Write
Published
2026-04-23T09:16Z
Affected products (3)
ProductVersionsFixed in
gnupg/libgcrypt≥ 1.8.8, < 1.10.41.10.4
gnupg/libgcrypt≥ 1.11.0, < 1.11.31.11.3
gnupg/libgcrypt≥ 1.12.0, < 1.12.21.12.2
References (6)
https://www.openwall.com/lists/oss-security/2026/04/21/1 · [email protected]https://dev.gnupg.org/T8211 · [email protected]https://lists.gnupg.org/pipermail/gnupg-announce/2026q2/000503.html · [email protected]https://cert-portal.siemens.com/productcert/html/ssa-019113.html · 0b142b55-0307-4c5a-b3c9-f314f3fb7c5ehttps://cert-portal.siemens.com/productcert/html/ssa-082556.html · 0b142b55-0307-4c5a-b3c9-f314f3fb7c5ehttps://cert-portal.siemens.com/productcert/html/ssa-457936.html · 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
EPSS history
Timeline
  • 23 APR 04:30Z
    Libgcrypt before 1.12.2 sometimes allows a heap-based buffer overflow and denial of service via crafted ECDH ciphertext to gcry_pk_decrypt
    cvelistv5