What’s Vulnerable › Vulnerabilities

CVE-2020-7045

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-01-16 · updated 2026-06-17
• Weakness: CWE-476

Description

In Wireshark 3.0.x before 3.0.8, the BT ATT dissector could crash. This was addressed in epan/dissectors/packet-btatt.c by validating opcodes.

Affected products

• Debian Linux: 9.0
• Wireshark Foundation Wireshark: from 3.0.0 before 3.0.8 — fixed in 3.0.8

How to fix

Upgrade to a fixed version: Wireshark Foundation Wireshark 3.0.8. Check the vendor advisory for mitigations.

References

• https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16258
• https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=01f261de41f4dd3233ef578e5c0ffb9c25c7d14d
• https://lists.debian.org/debian-lts-announce/2021/02/msg00008.html
• https://www.wireshark.org/security/wnpa-sec-2020-02.html
• https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16258
• https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=01f261de41f4dd3233ef578e5c0ffb9c25c7d14d
• https://lists.debian.org/debian-lts-announce/2021/02/msg00008.html
• https://www.wireshark.org/security/wnpa-sec-2020-02.html

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