CVE-2019-19630: debian debian_linux Out-of-bounds Write
CVSS: 7.8v3.1HighModified
AliasesMGASA-2019-0403UBUNTU-CVE-2019-19630USN-4696-1DEBIAN-CVE-2019-19630DLA-2026-1
Published 08-12-2019Last modified 05-08-2024
Vulnerability summary
CVE-2019-19630 is a high (CVSS 7.8) Out-of-bounds Write vulnerability in debian debian_linux. EPSS estimates a 1.14% chance of exploitation in the next 30 days, higher than 66.1% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.8/10
010
High · v3.1 (NVD)EPSS score
1.14%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Advisory lineage
Upstream 0 · Downstream 2 · Related 1Timeline
- 08-12-2019PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
4 scores · 3 sources · 2 versionsHigh 7.8Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Medium 6.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
1.14%
Chance of exploitation in the next 30 days
Percentile
66%
Versus all other CVEs
30-day change
0.00 pp
From 1.14% on 21-09-2026
21-09-202621-10-2026
EPSS score1.14%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundHtmldoc
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Debian2 products
- htmldoc< 1.9.7-1 | < 1.8.27-8+deb8u1
- debian_linuxEOL8.0 | 9.0
Fedoraproject1 product
- fedoraEOL30 | 31
Htmldoc_project1 product
- htmldoc1.9.7
Mageia1 product
- htmldoc< 1.9.3-2.1.mga7
Ubuntu1 product
- htmldoc< 1.8.27-8ubuntu1+esm1 | < 1.8.27-8ubuntu1.1 | < 1.9.2-1ubuntu0.1
5 vendors · 6 products
References
13 links- github.com/michaelrsweet/htmldoc/issues/370X Refsource MISCREPORTExploitIssue TrackingThird Party Advisory
lists.debian.org/debian-lts-announce/2019/12/msg00008.htmlMailing ListX Refsource MLISTThird Party Advisory- lists.debian.org/debian-lts-announce/2021/07/msg00000.htmlMailing ListX Refsource MLISTThird Party Advisory