Medium 2026-08-06

Libgcrypt Security Update — AlmaLinux 8 (ALSA-2026:47117)

AlmaLinux 8

The libgcrypt library provides general-purpose implementations of various cryptographic algorithms. Security Fix(es): * Libgcrypt: Libgcrypt: Denial of Service and buffer overflow via crafted ECDH ciphertext (CVE-2026-41989) For more details about the security issue(s), including the impact, a CVSS score, …

The libgcrypt library provides general-purpose implementations of various cryptographic algorithms.

Security Fix(es):

* Libgcrypt: Libgcrypt: Denial of Service and buffer overflow via crafted ECDH ciphertext (CVE-2026-41989)

For more details about the security issue(s), including the impact, a CVSS score, …

Type:

security

Severity:

moderate

Release date:

2026-08-06

Description:

The libgcrypt library provides general-purpose implementations of various cryptographic algorithms.  
Security Fix(es):  
  * Libgcrypt: Libgcrypt: Denial of Service and buffer overflow via crafted ECDH ciphertext (CVE-2026-41989)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

References:

Updated packages listed below:

Architecture	Package	Checksum
aarch64	libgcrypt-devel-1.8.5-8.el8_10.aarch64.rpm	2c9dea55d39a04d8133eb1ee531a0954db8ac238cf0d0fd97f8d67c829a81196
aarch64	libgcrypt-1.8.5-8.el8_10.aarch64.rpm	a49d2a8312597505ea0f44976bd6670419b353ff58f9dbd753be94727127c913
i686	libgcrypt-devel-1.8.5-8.el8_10.i686.rpm	944b0609e3a5fb2b8038102ba1a5c3867be1566665ab42e061da101936f04211
i686	libgcrypt-1.8.5-8.el8_10.i686.rpm	af84b544d05c703e017514cf254353bd0e439b5e58199558fc333f0011b0a5b6
ppc64le	libgcrypt-devel-1.8.5-8.el8_10.ppc64le.rpm	5a9f79a1277c378d267e49bd4f5d2374a9b5451528f4d2e9f18398c6105e922a
ppc64le	libgcrypt-1.8.5-8.el8_10.ppc64le.rpm	b60a3335ea50730b6e0d924970cd2f056a4eb5878d25085593c40db1b5bc3655
s390x	libgcrypt-1.8.5-8.el8_10.s390x.rpm	07d14302d50d3a4604851433c84819250576670650ef3702dbaebe5c8108a21e
s390x	libgcrypt-devel-1.8.5-8.el8_10.s390x.rpm	e97a1fda637840ffba3cdc01a9e1f7feded3352673c281908521c7ad72a8ad88
x86_64	libgcrypt-1.8.5-8.el8_10.x86_64.rpm	425ea6c342b804161ab024df0c165f25efaf02d5be6380b968dcb78b92ccea63
x86_64	libgcrypt-devel-1.8.5-8.el8_10.x86_64.rpm	6d74fd1580bee1c8f63db90f35311c953c7500a5c88b336e3bb141d4bacd6b0c

Notes:

This page is generated automatically from Red Hat security data and has not been checked for errors. For clarification or corrections please contact the AlmaLinux Packaging Team.

How to Apply the Fix

Update the affected packages on your server to the patched release, then restart the relevant services.

sudo dnf update

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