VULNERABILITY INTELLIGENCE
CVE-2018-20103
CVSS score7.5 HIGH
EPSS probability6.59%
CISA KEVNot currently listed
Published2018-12-12
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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.
Weakness classification
- CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')
Primary references
- cve@mitre.org
- cve@mitre.org — Third Party Advisory, VDB Entry
- cve@mitre.org — Third Party Advisory
- cve@mitre.org — Third Party Advisory
- cve@mitre.org
- cve@mitre.org
- cve@mitre.org — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108