CVE-2017-5597

Severity: high (CVSS 7.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-01-25 · updated 2026-06-17
Weakness: CWE-190

Description

In Wireshark 2.2.0 to 2.2.3 and 2.0.0 to 2.0.9, the DHCPv6 dissector could go into a large loop, triggered by packet injection or a malformed capture file. This was addressed in epan/dissectors/packet-dhcpv6.c by changing a data type to avoid an integer overflow.

Affected products

Wireshark Foundation Wireshark: 2.0.0, 2.0.1, 2.0.2, 2.0.3, 2.0.4, 2.0.5 (+8)

References

http://www.debian.org/security/2017/dsa-3811
http://www.securityfocus.com/bid/95798
http://www.securitytracker.com/id/1037694
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13345
https://code.wireshark.org/review/#/c/19747/
https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=57894f741f7cc98b46c9fdce7eee8256d2a4ae3f
https://www.wireshark.org/security/wnpa-sec-2017-02.html
http://www.debian.org/security/2017/dsa-3811
http://www.securityfocus.com/bid/95798
http://www.securitytracker.com/id/1037694
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13345
https://code.wireshark.org/review/#/c/19747/

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