Buffer overflow in Keepalived

CVE-2018-19115

keepalived before 2.0.7 has a heap-based buffer overflow when parsing HTTP status codes resulting in DoS or possibly unspecified other impact, because extract_status_code in lib/html.c has no validation of the status code and instead write…

Vulnerability class: Buffer Overflow

EPSS: 0.037 (88.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-19115?
CVE-2018-19115 is a critical-severity vulnerability in Keepalived, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2018-11-08.
How severe is CVE-2018-19115?
Critical severity. CVSS v3 base score is 9.8 out of 10.