What’s Vulnerable › Vulnerabilities

CVE-2018-9261

• 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: yes
• Published: 2018-04-04 · updated 2026-06-17
• Weakness: CWE-834

Description

In Wireshark 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13, the NBAP dissector could crash with a large loop that ends with a heap-based buffer overflow. This was addressed in epan/dissectors/packet-nbap.c by prohibiting the self-linking of DCH-IDs.

Affected products

• Debian Linux: 7.0, 8.0, 9.0
• Wireshark Foundation Wireshark: from 2.2.0 through 2.2.13; from 2.4.0 through 2.4.5

References

• https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14471
• https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=66bc372716e04d6a8afdf6712583c9b5d11fee55
• https://lists.debian.org/debian-lts-announce/2018/05/msg00019.html
• https://www.debian.org/security/2018/dsa-4217
• https://www.wireshark.org/security/wnpa-sec-2018-18.html
• https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14471
• https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=66bc372716e04d6a8afdf6712583c9b5d11fee55
• https://lists.debian.org/debian-lts-announce/2018/05/msg00019.html
• https://www.debian.org/security/2018/dsa-4217
• https://www.wireshark.org/security/wnpa-sec-2018-18.html

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