What’s Vulnerable › Vulnerabilities

CVE-2017-7745

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-04-12 · updated 2026-06-17
• Weakness: CWE-835

Description

In Wireshark 2.2.0 to 2.2.5 and 2.0.0 to 2.0.11, the SIGCOMP dissector could go into an infinite loop, triggered by packet injection or a malformed capture file. This was addressed in epan/dissectors/packet-sigcomp.c by correcting a memory-size check.

Affected products

• Wireshark Foundation Wireshark: 2.0.0, 2.0.1, 2.0.2, 2.0.3, 2.0.4, 2.0.5 (+12)

References

• http://www.securityfocus.com/bid/97627
• https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13578
• https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=acd8e1a9b17ad274bea1e01e10e4481508a1cbf0
• https://www.wireshark.org/security/wnpa-sec-2017-20.html
• http://www.securityfocus.com/bid/97627
• https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13578
• https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=acd8e1a9b17ad274bea1e01e10e4481508a1cbf0
• https://www.wireshark.org/security/wnpa-sec-2017-20.html

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