CVE-2021-20308
published 2021-04-05CVE-2021-20308: Integer overflow in the htmldoc 1.9.11 and before may allow attackers to execute arbitrary code and cause a denial of service that is similar to CVE-2017-9181.
PriorityP348critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
2.48%
82.6th percentile
Integer overflow in the htmldoc 1.9.11 and before may allow attackers to execute arbitrary code and cause a denial of service that is similar to CVE-2017-9181.
Affected
11 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | debian_linux | — | — |
| debian | htmldoc | < htmldoc 1.9.11-3 (bookworm) | htmldoc 1.9.11-3 (bookworm) |
| htmldoc_project | htmldoc | <= 1.9.11 | — |
| htmldoc_project | htmldoc | >= 0 < 1.9.11-3 | 1.9.11-3 |
| htmldoc_project | htmldoc | >= 0 < 1.9.11-3 | 1.9.11-3 |
| htmldoc_project | htmldoc | >= 0 < 1.9.11-3 | 1.9.11-3 |
| htmldoc_project | htmldoc | >= 0 < 1.9.11-3 | 1.9.11-3 |
| htmldoc_project | htmldoc | >= 0 < 1.8.27-8ubuntu1+esm3 | 1.8.27-8ubuntu1+esm3 |
| htmldoc_project | htmldoc | >= 0 < 1.8.27-8ubuntu1.1+esm2 | 1.8.27-8ubuntu1.1+esm2 |
| htmldoc_project | htmldoc | >= 0 < 1.9.2-1ubuntu0.2+esm1 | 1.9.2-1ubuntu0.2+esm1 |
| htmldoc_project | htmldoc | >= 0 < 1.9.7-1ubuntu0.3+esm1 | 1.9.7-1ubuntu0.3+esm1 |
CVSS provenance
nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvdv2.07.5HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
osv9.8CRITICAL
vendor_ubuntu9.8CRITICAL
vendor_debian7.5LOW
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OSV
HTMLDOC vulnerabilities
osv·2025-01-08·CVSS 9.8
CVE-2021-20308 [CRITICAL] HTMLDOC vulnerabilities
HTMLDOC vulnerabilities
It was discovered that HTMLDOC incorrectly handled certain inputs, which
could lead to an integer overflow. An attacker could potentially use this
issue to cause a denial of service or execute arbitrary code.
(CVE-2021-20308)
It was discovered that HTMLDOC incorrectly handled memory in pspdf_export,
which could lead to a double-free. An attacker could potentially use this
issue to cause a denial of service or execute arbitrary code.
(CVE-2021-23158)
It was discovered that HTMLDOC incorrectly handled memory when loading a
JPEG image, which could lead to a NULL pointer dereference. An attacker
could potentially use this issue to cause a denial of service.
(CVE-2021-23191, CVE-2021-26948)
It was discovered that HTMLDOC incorrectly handled certain inputs, which
coul
GHSA
GHSA-pmv7-7c58-mhrx: Integer overflow in the htmldoc 1
ghsa_unreviewed·2022-05-24·CVSS 7.5
CVE-2021-20308 [HIGH] CWE-190 GHSA-pmv7-7c58-mhrx: Integer overflow in the htmldoc 1
Integer overflow in the htmldoc 1.9.11 and before may allow attackers to execute arbitrary code and cause a denial of service that is similar to CVE-2017-9181.
OSV
CVE-2021-20308: Integer overflow in the htmldoc 1
osv·2021-04-05·CVSS 7.5
CVE-2021-20308 [HIGH] CVE-2021-20308: Integer overflow in the htmldoc 1
Integer overflow in the htmldoc 1.9.11 and before may allow attackers to execute arbitrary code and cause a denial of service that is similar to CVE-2017-9181.
Ubuntu
HTMLDOC vulnerabilities
vendor_ubuntu·2025-01-08·CVSS 9.8
CVE-2021-34121 [CRITICAL] HTMLDOC vulnerabilities
Title: HTMLDOC vulnerabilities
Summary: Several security issues were fixed in HTMLDOC.
It was discovered that HTMLDOC incorrectly handled certain inputs, which
could lead to an integer overflow. An attacker could potentially use this
issue to cause a denial of service or execute arbitrary code.
(CVE-2021-20308)
It was discovered that HTMLDOC incorrectly handled memory in pspdf_export,
which could lead to a double-free. An attacker could potentially use this
issue to cause a denial of service or execute arbitrary code.
(CVE-2021-23158)
It was discovered that HTMLDOC incorrectly handled memory when loading a
JPEG image, which could lead to a NULL pointer dereference. An attacker
could potentially use this issue to cause a denial of service.
(CVE-2021-23191, CVE-2021-26948)
It was discov
Debian
CVE-2021-20308: htmldoc - Integer overflow in the htmldoc 1.9.11 and before may allow attackers to execute...
vendor_debian·2021·CVSS 7.5
CVE-2021-20308 [HIGH] CVE-2021-20308: htmldoc - Integer overflow in the htmldoc 1.9.11 and before may allow attackers to execute...
Integer overflow in the htmldoc 1.9.11 and before may allow attackers to execute arbitrary code and cause a denial of service that is similar to CVE-2017-9181.
Scope: local
bookworm: resolved (fixed in 1.9.11-3)
bullseye: resolved (fixed in 1.9.11-3)
forky: resolved (fixed in 1.9.11-3)
sid: resolved (fixed in 1.9.11-3)
trixie: resolved (fixed in 1.9.11-3)
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://bugzilla.redhat.com/show_bug.cgi?id=1946289https://github.com/michaelrsweet/htmldoc/issues/423https://lists.debian.org/debian-lts-announce/2021/07/msg00000.htmlhttps://bugzilla.redhat.com/show_bug.cgi?id=1946289https://github.com/michaelrsweet/htmldoc/issues/423https://lists.debian.org/debian-lts-announce/2021/07/msg00000.html
2021-04-05
Published