Jackson-Annotations, Jackson-Core, Jackson-Databind, Jackson-Jaxrs-Providers, And Jackson-Modules-Base Security Update — AlmaLinux 9 (ALSA-2026:40895)
This is a security release for AlmaLinux 9. The fix ships in the current release line (referenced builds: 21.4-1). Update the product on every affected server to the patched release — there is no workaround, and unpatched servers remain exposed until updated.
Fix-Befehle
EL8+ (AlmaLinux/CloudLinux/Rocky)
sudo dnf updateWas das unter einer SharedLicense-Lizenz bedeutet
jackson-annotations, jackson-core, jackson-databind, jackson-jaxrs-providers, and jackson-modules-base on AlmaLinux 9 is the exposure surface; the advisory's own severity data tops out at CVSS .
The general-purpose data-binding functionality and tree-model for Jackson Data Processor. It builds on core streaming parser/generator package, and uses Jackson Annotations for configuration.
Security Fix(es):
* jackson-databind: Jackson-databind: Security bypass allows arbitrary code execution (CVE-2026-545…
Type:
security
Severity:
important
Release date:
2026-07-17
Description:
The general-purpose data-binding functionality and tree-model for Jackson Data Processor. It builds on core streaming parser/generator package, and uses Jackson Annotations for configuration.
Security Fix(es):
* jackson-databind: Jackson-databind: Security bypass allows arbitrary code execution (CVE-2026-54513)
* jackson-databind: jackson-databind: Arbitrary code execution via PolymorphicTypeValidator bypass (CVE-2026-54512)
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 |
| noarch | pki-jackson-databind-2.21.4-1.el9_8.noarch.rpm | 5d70286446cdb2416a754f1113a794c5cd48ff1bbec59db6163f2e5e2d29997b |
| noarch | pki-jackson-jaxrs-providers-2.21.4-1.el9_8.noarch.rpm | 645bff697f24f756541b9fc6a3c323c13ae54c4cdbe7efd9677c77e135267cd7 |
| noarch | pki-jackson-module-jaxb-annotations-2.21.4-1.el9_8.noarch.rpm | 71839cc322908f26d651befd7abf661b8a1ac508e56bd55cd19f822c83dd21ba |
| noarch | pki-jackson-core-2.21.4-1.el9_8.noarch.rpm | 8435724b5a5b5e037898b15d17880d3c1202e1a82c9b8ef93d9a9bbef6c9c240 |
| noarch | pki-jackson-annotations-2.21-1.el9_8.noarch.rpm | 8b9b129b1ac53f3c58858b72d8367e01a4bc7b489bec6695e97c6cfbbeb87942 |
| noarch | pki-jackson-jaxrs-json-provider-2.21.4-1.el9_8.noarch.rpm | e5de871877caaca1638b95c9577c8b0cf3ad1757d1b62c2671288758b8402e31 |
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.
Häufig gestellte Fragen
What does ALSA-2026:40895 fix?
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How do I apply it?
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