CVE-2017-9351

Severity: high (CVSS 7.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-06-02 · updated 2026-06-17
Weakness: CWE-119

Description

In Wireshark 2.2.0 to 2.2.6 and 2.0.0 to 2.0.12, the DHCP dissector could read past the end of a buffer. This was addressed in epan/dissectors/packet-bootp.c by extracting the Vendor Class Identifier more carefully.

Affected products

Wireshark Foundation Wireshark: from 2.0.0 through 2.0.12; from 2.2.0 through 2.2.6

References

http://www.securityfocus.com/bid/98808
http://www.securitytracker.com/id/1038612
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=1153
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=1183
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13609
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13628
https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=a6e033c14da13bd5f72dfe07a347586517639d12
https://www.wireshark.org/security/wnpa-sec-2017-24.html
http://www.securityfocus.com/bid/98808
http://www.securitytracker.com/id/1038612
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=1153
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=1183

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