Amazon Linux 2023 Security Advisory: ALAS2023-2026-3238
Advisory Released Date: 2026-10-16
Advisory Updated Date: 2026-10-26
Severity:
Important
Issue Overview:
A hostname verification bypass in GnuTLS v3.8.13 allows attackers to circumvent the Common Name fallback mechanism and eavesdrop on communications via a crafted certificate. (CVE-2026-88647)
Affected Packages:
gnutls
Issue Correction:
Run dnf update gnutls --releasever 2023.12.20261016 or dnf update --advisory ALAS2023-2026-3238 --releasever 2023.12.20261016 to update your system.
More information on how to update your system can be found on this page: Amazon Linux 2023 documentation
New Packages:
aarch64:
gnutls-debuginfo-3.8.10-4.amzn2023.0.2.aarch64
gnutls-dane-debuginfo-3.8.10-4.amzn2023.0.2.aarch64
gnutls-c++-3.8.10-4.amzn2023.0.2.aarch64
gnutls-utils-debuginfo-3.8.10-4.amzn2023.0.2.aarch64
gnutls-c++-debuginfo-3.8.10-4.amzn2023.0.2.aarch64
gnutls-3.8.10-4.amzn2023.0.2.aarch64
gnutls-dane-3.8.10-4.amzn2023.0.2.aarch64
gnutls-debugsource-3.8.10-4.amzn2023.0.2.aarch64
gnutls-utils-3.8.10-4.amzn2023.0.2.aarch64
gnutls-devel-3.8.10-4.amzn2023.0.2.aarch64
src:
gnutls-3.8.10-4.amzn2023.0.2.src
x86_64:
gnutls-debuginfo-3.8.10-4.amzn2023.0.2.x86_64
gnutls-utils-debuginfo-3.8.10-4.amzn2023.0.2.x86_64
gnutls-c++-debuginfo-3.8.10-4.amzn2023.0.2.x86_64
gnutls-dane-debuginfo-3.8.10-4.amzn2023.0.2.x86_64
gnutls-dane-3.8.10-4.amzn2023.0.2.x86_64
gnutls-utils-3.8.10-4.amzn2023.0.2.x86_64
gnutls-c++-3.8.10-4.amzn2023.0.2.x86_64
gnutls-3.8.10-4.amzn2023.0.2.x86_64
gnutls-debugsource-3.8.10-4.amzn2023.0.2.x86_64
gnutls-devel-3.8.10-4.amzn2023.0.2.x86_64