CVE-2018-20103

haproxy: Infinite recursion via crafted packet allows stack exhaustion and denial of service

Published Dec 12, 2018 CVSS 3.0 · 7.5 High EPSS 6.6% KEV · Not listed
Description
An issue was discovered in dns.c in HAProxy through 1.8.14. In the case of a compressed pointer, a crafted packet can trigger infinite recursion by making the pointer point to itself, or create a long chain of valid pointers resulting in stack exhaustion.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-3034-1 haproxy security update
EUVD EUVD EUVD-2018-12673 An issue was discovered in dns.c in HAProxy through 1.8.14. In the case of a compressed pointer, a crafted packet can trigger infinite recursion by making the pointer point to itself, or create a long chain of valid pointers resulting in stack exhaustion.
Ubuntu USN Ubuntu USN USN-3858-1 HAProxy vulnerabilities
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 5, 2024, 11:51 AM
Reserved
Dec 12, 2018, 12:00 AM
Status
Modified
Published
Dec 12, 2018, 5:29 PM
Modified
Jun 17, 2026, 1:52 AM
Severity
Important
Public date
Dec 12, 2018, 12:00 AM