What’s Vulnerable › Vulnerabilities

CVE-2020-28030

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-11-02 · updated 2026-06-17
• Weakness: CWE-682

Description

In Wireshark 3.2.0 to 3.2.7, the GQUIC dissector could crash. This was addressed in epan/dissectors/packet-gquic.c by correcting the implementation of offset advancement.

Affected products

• Debian Linux: 9.0
• Fedoraproject Fedora: 32, 33
• Wireshark Foundation Wireshark: from 3.2.0 through 3.2.7

References

• https://gitlab.com/wireshark/wireshark/-/commit/b287e7165e8aa89cde6ae37e7c257c5d87d16b9b
• https://gitlab.com/wireshark/wireshark/-/issues/16887
• https://lists.debian.org/debian-lts-announce/2021/02/msg00008.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UHZSVK7PO2LTGFQXFHFXY6SOMSQ7UPRS/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V2667E6WKVE56G66BVBVD7LJPIDOJ7K3/
• https://www.wireshark.org/security/wnpa-sec-2020-15.html
• https://gitlab.com/wireshark/wireshark/-/commit/b287e7165e8aa89cde6ae37e7c257c5d87d16b9b
• https://gitlab.com/wireshark/wireshark/-/issues/16887
• https://lists.debian.org/debian-lts-announce/2021/02/msg00008.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UHZSVK7PO2LTGFQXFHFXY6SOMSQ7UPRS/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V2667E6WKVE56G66BVBVD7LJPIDOJ7K3/
• https://www.wireshark.org/security/wnpa-sec-2020-15.html

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