What’s Vulnerable › Vulnerabilities
CVE-2017-12988
- Severity: critical (CVSS 9.8 v3.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 2.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2017-09-14 · updated 2026-06-17
- Weakness: CWE-125
Description
The telnet parser in tcpdump before 4.9.2 has a buffer over-read in print-telnet.c:telnet_parse().
Affected products
- The Tcpdump Group tcpdump: through 4.9.1
References
- http://www.debian.org/security/2017/dsa-3971
- http://www.securitytracker.com/id/1039307
- http://www.tcpdump.org/tcpdump-changes.txt
- https://access.redhat.com/errata/RHEA-2018:0705
- https://github.com/the-tcpdump-group/tcpdump/commit/8934a7d6307267d301182f19ed162563717e29e3
- https://security.gentoo.org/glsa/201709-23
- https://support.apple.com/HT208221
- http://www.debian.org/security/2017/dsa-3971
- http://www.securitytracker.com/id/1039307
- http://www.tcpdump.org/tcpdump-changes.txt
- https://access.redhat.com/errata/RHEA-2018:0705
- https://github.com/the-tcpdump-group/tcpdump/commit/8934a7d6307267d301182f19ed162563717e29e3
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