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.
CVE-2017-7745
HIGHNVD 7.57.5—
EchelonGraph scoreMEDIUM confidence
Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2022-05-13. NVD baseline CVSS 7.5; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
7.5
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
- High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 2%CVSS: 7.5Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.5
- EG Score
- 7.5(medium)
- EPSS
- 82.5%
- KEV
- Not listed
Published
April 12, 2017
Last Modified
May 13, 2026
References (8)
- cve@mitrehttp://www.securityfocus.com/bid/97627
- cve@mitrehttps://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13578
- cve@mitrehttps://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=acd8e1a9b17ad274bea1e01e10e4481508a1cbf0
- cve@mitrehttps://www.wireshark.org/security/wnpa-sec-2017-20.html
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/97627
- af854a3a-2127-422b-91ae-364da2661108https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13578
- af854a3a-2127-422b-91ae-364da2661108https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=acd8e1a9b17ad274bea1e01e10e4481508a1cbf0
- af854a3a-2127-422b-91ae-364da2661108https://www.wireshark.org/security/wnpa-sec-2017-20.html
Data Freshness Timeline
(refreshed 12× in last 7d / 46× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-07 13:42 UTCEPSS rescore
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- 2026-05-22 14:19 UTCGHSA enrichment
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Frequently asked(5)
What is CVE-2017-7745?
CVE-2017-7745 is a high vulnerability published on April 12, 2017. 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.
When was CVE-2017-7745 disclosed?
CVE-2017-7745 was first published in the National Vulnerability Database on April 12, 2017, with the most recent update on May 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2017-7745 actively exploited?
CVE-2017-7745 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 82.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2017-7745?
CVE-2017-7745 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2017-7745?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-7745, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2017-7745
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