Amazon Linux 2023 Security Advisory: ALAS2023-2026-3387
Advisory Released Date: 2026-11-09
Advisory Updated Date: 2026-11-09
Severity:
Important
Issue Overview:
PolymorphicTypeValidator bypass via generic type arguments and array element types in jackson-databind allows arbitrary class instantiation (incomplete fix for CVE-2026-54512) [CVE-2026-110879] (CVE-2026-110879)
Affected Packages:
jackson-databind
Issue Correction:
Run dnf update jackson-databind --releasever 2023.12.20261109 or dnf update --advisory ALAS2023-2026-3387 --releasever 2023.12.20261109 to update your system.
More information on how to update your system can be found on this page: Amazon Linux 2023 documentation
New Packages:
noarch:
jackson-databind-2.21.8-1.amzn2023.0.1.noarch
src:
jackson-databind-2.21.8-1.amzn2023.0.1.src