CVE-2019-19553

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-12-05 · updated 2026-06-17
Weakness: CWE-909

Description

In Wireshark 3.0.0 to 3.0.6 and 2.6.0 to 2.6.12, the CMS dissector could crash. This was addressed in epan/dissectors/asn1/cms/packet-cms-template.c by ensuring that an object identifier is set to NULL after a ContentInfo dissection.

Affected products

Debian Linux: 9.0
openSUSE Leap: 15.1
Oracle Corporation Solaris Operating System: 11
Oracle Zfs Storage Appliance: 8.8
Wireshark Foundation Wireshark: from 2.6.0 through 2.6.12; from 3.0.0 through 3.0.6

References

http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=15961
https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=34d2e0d5318d0a7e9889498c721639e5cbf4ce45
https://lists.debian.org/debian-lts-announce/2021/02/msg00008.html
https://www.oracle.com/security-alerts/cpuapr2020.html
https://www.wireshark.org/security/wnpa-sec-2019-22.html
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=15961
https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=34d2e0d5318d0a7e9889498c721639e5cbf4ce45
https://lists.debian.org/debian-lts-announce/2021/02/msg00008.html
https://www.oracle.com/security-alerts/cpuapr2020.html
https://www.wireshark.org/security/wnpa-sec-2019-22.html

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