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Fedora 34: FEDORA-2022-ad5cf1c0dd Critical Update for xstream DoS

fedora
Calendar Grey February 11, 2022
Dist Fedora Esm H88
Update to xstream version 1.4.19 in Fedora resolves a critical denial of service vulnerability identified in CVE-2021-43859, enhancing system security.
* New upstream release 1.4.19 * Security: Fix for CVE-2021-43859

Summary

XStream is a simple library to serialize objects to XML

and back again. A high level facade is supplied that

simplifies common use cases. Custom objects can be serialized

without need for specifying mappings. Speed and low memory

footprint are a crucial part of the design, making it suitable

for large object graphs or systems with high message throughput.

No information is duplicated that can be obtained via reflection.

This results in XML that is easier to read for humans and more

compact than native Java serialization. XStream serializes internal

fields, including private and final. Supports non-public and inner

classes. Classes are not required to have default constructor.

Duplicate references encountered in the object-model will be

maintained. Supports circular references. By implementing an

interface, XStream can serialize directly to/from any tree

structure (not just XML). Strategies can be registered allowing

customization of how particular types are represented as XML.

When an exception occurs due to malformed XML, detailed diagnostics

are provided to help isolate and fix the problem.

* New upstream release 1.4.19 * Security: Fix for CVE-2021-43859

* Sat Jan 29 2022 Didik Supriadi - 1.4.19-1

- New upstream release 1.4.19

* Sat Jan 22 2022 Fedora Release Engineering - 1.4.18-3

- Rebuilt for https://fedoraproject.org/wiki/Fedora_36_Mass_Rebuild

[ 1 ] Bug #2048135 - xstream-1.4.19 is available

https://bugzilla.redhat.com/show_bug.cgi?id=2048135

[ 2 ] Bug #2049784 - CVE-2021-43859 xstream: Injecting highly recursive collections or maps can cause a DoS [fedora-all]

https://bugzilla.redhat.com/show_bug.cgi?id=2049784

su -c 'dnf upgrade --advisory FEDORA-2022-ad5cf1c0dd' at the command

line. For more information, refer to the dnf documentation available at

https://dnf.readthedocs.io/en/latest/command_ref.html

All packages are signed with the Fedora Project GPG key. More details on the

GPG keys used by the Fedora Project can be found at

https://fedoraproject.org/security/

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Change Log

References

Update Instructions

Severity
critical
Lowest
Low
Medium
High
Critical

Product: Fedora 34
Version: 1.4.19
Release: 1.fc34
Summary: Java XML serialization library

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