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Debian Security Advisory DSA-5283-1                   security@debian.org
https://www.debian.org/security/                          Markus Koschany
November 17, 2022                     https://www.debian.org/security/faq
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Package        : jackson-databind
CVE ID         : CVE-2020-36518 CVE-2022-42003 CVE-2022-42004
Debian Bug     : 1007109

Several flaws were discovered in jackson-databind, a fast and powerful JSON
library for Java.

CVE-2020-36518

    Java StackOverflow exception and denial of service via a large depth of
    nested objects.

CVE-2022-42003

    In FasterXML jackson-databind resource exhaustion can occur because of a
    lack of a check in primitive value deserializers to avoid deep wrapper
    array nesting, when the UNWRAP_SINGLE_VALUE_ARRAYS feature is enabled.

CVE-2022-42004

    In FasterXML jackson-databind resource exhaustion can occur because of a
    lack of a check in BeanDeserializerBase.deserializeFromArray to prevent use
    of deeply nested arrays. An application is vulnerable only with certain
    customized choices for deserialization.

For the stable distribution (bullseye), these problems have been fixed in
version 2.12.1-1+deb11u1.

We recommend that you upgrade your jackson-databind packages.

For the detailed security status of jackson-databind please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/jackson-databind

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org
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