CVE-2018-19115

Name: CVE-2018-19115
Creator: NVD / NIST
Published: 2018-11-08T20:29:00.573+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 3.67%

Last modified Jun 17, 2026

CVE-2018-19115 is a vulnerability of currently unknown severity. 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 writes an unlimited amount of data to the heap.. EPSS estimates a 3.67% chance of exploitation in the next 30 days.

Description

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 writes an unlimited amount of data to the heap.

Metrics

EPSS Probability

3.67%

88.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Keepalived	Keepalived	< 2.0.7
Debian	Debian Linux	8.0
Redhat	Enterprise Linux Server	7.0
Redhat	Enterprise Linux Server Aus	7.6
Redhat	Enterprise Linux Server Eus	7.6
Redhat	Enterprise Linux Server Tus	7.6
Redhat	Enterprise Linux Workstation	7.0

References

https://access.redhat.com/errata/RHSA-2019:0022Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:1792
https://access.redhat.com/errata/RHSA-2019:1945
https://bugzilla.suse.com/show_bug.cgi?id=1015141Issue Tracking, Third Party Advisory
https://github.com/acassen/keepalived/pull/961Patch, Third Party Advisory
https://github.com/acassen/keepalived/pull/961/commits/f28015671a4b04785859d1b4b1327b367b6a10e9Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/11/msg00034.htmlMailing List, Third Party Advisory
https://security.gentoo.org/glsa/201903-01Third Party Advisory
https://usn.ubuntu.com/3995-1/
https://usn.ubuntu.com/3995-2/
https://access.redhat.com/errata/RHSA-2019:0022Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:1792
https://access.redhat.com/errata/RHSA-2019:1945
https://bugzilla.suse.com/show_bug.cgi?id=1015141Issue Tracking, Third Party Advisory
https://github.com/acassen/keepalived/pull/961Patch, Third Party Advisory
https://github.com/acassen/keepalived/pull/961/commits/f28015671a4b04785859d1b4b1327b367b6a10e9Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/11/msg00034.htmlMailing List, Third Party Advisory
https://security.gentoo.org/glsa/201903-01Third Party Advisory
https://usn.ubuntu.com/3995-1/
https://usn.ubuntu.com/3995-2/

Timeline

Published: Nov 8, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-19115?

How severe is CVE-2018-19115?

Severity scoring for CVE-2018-19115 is pending analysis. The EPSS model estimates a 3.67% probability of exploitation in the next 30 days.

How do I fix CVE-2018-19115?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-19115?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST