CVE-2019-5719

Severity: medium (CVSS 5.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2019-01-08 · updated 2026-06-17
Weakness: CWE-327

Description

In Wireshark 2.6.0 to 2.6.5 and 2.4.0 to 2.4.11, the ISAKMP dissector could crash. This was addressed in epan/dissectors/packet-isakmp.c by properly handling the case of a missing decryption data block.

Affected products

Debian Linux: 8.0, 9.0
Wireshark Foundation Wireshark: from 2.4.0 through 2.4.11; from 2.6.0 through 2.6.5

References

http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=15374
https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=b5b02f2a9b8772d8814096f86c60a32889d61f2c
https://lists.debian.org/debian-lts-announce/2019/01/msg00022.html
https://seclists.org/bugtraq/2019/Mar/35
https://www.debian.org/security/2019/dsa-4416
https://www.wireshark.org/security/wnpa-sec-2019-04.html
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=15374
https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=b5b02f2a9b8772d8814096f86c60a32889d61f2c
https://lists.debian.org/debian-lts-announce/2019/01/msg00022.html
https://seclists.org/bugtraq/2019/Mar/35

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