Bug#1007109: jackson-databind: CVE-2020-36518 - denial of service via a large depth of nested objects

[Neil Williams]

Source: jackson-databind
Version: 2.13.0-2
Severity: important
Tags: security
X-Debbugs-Cc: codehelp at debian.org, Debian Security Team <team at security.debian.org>

Hi,

The following vulnerability was published for jackson-databind.

CVE-2020-36518[0]:
| jackson-databind before 2.13.0 allows a Java StackOverflow exception
| and denial of service via a large depth of nested objects.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2020-36518
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-36518

Please adjust the affected versions in the BTS as needed.

The CVE mentions versions before 2.13.0 but the upstream issue remains
open, labelled for 2.14.

-- System Information:
Debian Release: bookworm/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (1, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 5.16.0-3-amd64 (SMP w/16 CPU threads; PREEMPT)
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8), LANGUAGE=en_GB:en
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled