CVE-2016-7993
9.8
CRITICAL · CVSS 3.0 · EPSS 3.4% (pctl 88)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
Description
A bug in util-print.c:relts_print() in tcpdump before 4.9.0 could cause a buffer overflow in multiple protocol parsers (DNS, DVMRP, HSRP, IGMP, lightweight resolver protocol, PIM).
Scoring
| CVSS | 9.8 (CRITICAL, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 3.38% — more likely to be exploited than 88% of all CVEs |
| Weakness | CWE-119 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2017-01-28 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| tcpdump | tcpdump |
References
- http://www.debian.org/security/2017/dsa-3775
- http://www.securityfocus.com/bid/95852
- http://www.securitytracker.com/id/1037755
- https://access.redhat.com/errata/RHSA-2017:1871
- https://security.gentoo.org/glsa/201702-30
- https://www.mail-archive.com/debian-bugs-dist%40lists.debian.org/msg1494526.html
- http://www.debian.org/security/2017/dsa-3775
- http://www.securityfocus.com/bid/95852
- http://www.securitytracker.com/id/1037755
- https://access.redhat.com/errata/RHSA-2017:1871
- https://security.gentoo.org/glsa/201702-30
- https://www.mail-archive.com/debian-bugs-dist%40lists.debian.org/msg1494526.html
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