# Security update for libgcrypt
Announcement ID: SUSE-SU-2026:3491-1
Release Date: 2026-08-04T11:58:46Z
Rating: moderate
References:
* bsc#1262684
Cross-References:
* CVE-2026-41989
CVSS scores:
* CVE-2026-41989 ( SUSE ): 5.8
CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:P/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
* CVE-2026-41989 ( SUSE ): 6.3 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:H
* CVE-2026-41989 ( NVD ): 6.7 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H
Affected Products:
* openSUSE Leap 15.5
* SUSE Linux Enterprise Micro 5.5
An update that solves one vulnerability can now be installed.
## Description:
This update for libgcrypt fixes the following issue
* CVE-2026-41989: heap-based buffer overflow when processing crafted ECDH
ciphertext can lead to a denial of service (bsc#1262684).
## Patch Instructions:
To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:
* SUSE Linux Enterprise Micro 5.5
zypper in -t patch SUSE-SLE-Micro-5.5-2026-3491=1
* openSUSE Leap 15.5
zypper in -t patch SUSE-2026-3491=1
## Package List:
* openSUSE Leap 15.5 (aarch64 i586 ppc64le s390x x86_64)
* libgcrypt-debugsource-1.9.4-150500.12.6.1
* libgcrypt20-1.9.4-150500.12.6.1
* libgcrypt-cavs-1.9.4-150500.12.6.1
* libgcrypt-devel-1.9.4-150500.12.6.1
* libgcrypt20-debuginfo-1.9.4-150500.12.6.1
* libgcrypt-devel-debuginfo-1.9.4-150500.12.6.1
* libgcrypt-cavs-debuginfo-1.9.4-150500.12.6.1
* libgcrypt20-hmac-1.9.4-150500.12.6.1
* openSUSE Leap 15.5 (x86_64)
* libgcrypt20-32bit-debuginfo-1.9.4-150500.12.6.1
* libgcrypt20-32bit-1.9.4-150500.12.6.1
* libgcrypt-devel-32bit-1.9.4-150500.12.6.1
* libgcrypt20-hmac-32bit-1.9.4-150500.12.6.1
* libgcrypt-devel-32bit-debuginfo-1.9.4-150500.12.6.1
* openSUSE Leap 15.5 (aarch64_ilp32)
* libgcrypt20-hmac-64bit-1.9.4-150500.12.6.1
* libgcrypt20-64bit-debuginfo-1.9.4-150500.12.6.1
* libgcrypt-devel-64bit-1.9.4-150500.12.6.1
* libgcrypt20-64bit-1.9.4-150500.12.6.1
* libgcrypt-devel-64bit-debuginfo-1.9.4-150500.12.6.1
* SUSE Linux Enterprise Micro 5.5 (aarch64 ppc64le s390x x86_64)
* libgcrypt-debugsource-1.9.4-150500.12.6.1
* libgcrypt20-debuginfo-1.9.4-150500.12.6.1
* libgcrypt20-1.9.4-150500.12.6.1
* libgcrypt20-hmac-1.9.4-150500.12.6.1
## References:
* https://www.suse.com/security/cve/CVE-2026-41989.html
* https://bugzilla.suse.com/show_bug.cgi?id=1262684
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.suse.com/pipermail/sle-security-updates/attachments/20260804/b6ff2521/attachment.htm>