CRITICAL: CVE-2016-7993 (CVSS 9.8) — tcpdump tcpdump

CVE: CVE-2016-7993

CVSS: 9.8 (3.0) — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: CRITICAL

Status: Critical advisory

Affected

• tcpdump tcpdump

Summary

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).

Verified Sources

• NVD entry
• GitHub Advisory
• MITRE

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

_Validated by the Lyrie Threat Intelligence Pipeline — 3 independent sources confirmed before publication. No speculation._