CVE-2019-19630

Name: CVE-2019-19630
Creator: NVD / NIST
Published: 2019-12-08T02:15:10.03+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 1.14%

Last modified Jun 17, 2026

CVE-2019-19630 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. HTMLDOC 1.9.7 allows a stack-based buffer overflow in the hd_strlcpy() function in string.c (when called from render_contents in ps-pdf.cxx) via a crafted HTML document.. EPSS estimates a 1.14% chance of exploitation in the next 30 days.

Description

HTMLDOC 1.9.7 allows a stack-based buffer overflow in the hd_strlcpy() function in string.c (when called from render_contents in ps-pdf.cxx) via a crafted HTML document.

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

1.14%

62.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Htmldoc Project	Htmldoc	1.9.7
Debian	Debian Linux	8.0
Debian	Debian Linux	9.0
Fedoraproject	Fedora	30
Fedoraproject	Fedora	31

References

https://github.com/michaelrsweet/htmldoc/issues/370Exploit, Issue Tracking, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/12/msg00008.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/07/msg00000.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7MZLVUBON5AYWYTFTJ4HBSHGTQTY7KBN/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FEUT3LG6DWTICKXYAN4SWOQWWCGHPLDJ/
https://github.com/michaelrsweet/htmldoc/issues/370Exploit, Issue Tracking, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/12/msg00008.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/07/msg00000.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7MZLVUBON5AYWYTFTJ4HBSHGTQTY7KBN/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FEUT3LG6DWTICKXYAN4SWOQWWCGHPLDJ/

Timeline

Published: Dec 8, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-19630?

HTMLDOC 1.9.7 allows a stack-based buffer overflow in the hd_strlcpy() function in string.c (when called from render_contents in ps-pdf.cxx) via a crafted HTML document.

How severe is CVE-2019-19630?

CVE-2019-19630 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.14% probability of exploitation in the next 30 days.

How do I fix CVE-2019-19630?

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-2019-19630?

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

Scan your code now

Source: NVD / NIST