DEBIAN-CVE-2021-34121

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Source
https://security-tracker.debian.org/tracker/CVE-2021-34121
Import Source
https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2021-34121.json
JSON Data
https://api.test.osv.dev/v1/vulns/DEBIAN-CVE-2021-34121
Upstream
Published
2023-07-18T14:15:11.780Z
Modified
2025-11-17T04:22:55.486852Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

An Out of Bounds flaw was discovered in htmodoc 1.9.12 in function parse_tree() in toc.cxx, this possibly leads to memory layout information leaking in the data. This might be used in a chain of vulnerability in order to reach code execution.

References

Affected packages

Debian:11 / htmldoc

Package

Name
htmldoc
Purl
pkg:deb/debian/htmldoc?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.9.11-4
1.9.11-4+deb11u1
1.9.11-4+deb11u2
1.9.11-4+deb11u3
1.9.12-1
1.9.13-1
1.9.14-1
1.9.15-1
1.9.15-2
1.9.16-1
1.9.17-1
1.9.18-1
1.9.18-2
1.9.18-3
1.9.19-1
1.9.20-1
1.9.21-1

Ecosystem specific 

{
    "urgency": "unimportant"
}

Database specific

source

"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2021-34121.json"

Debian:12 / htmldoc

Package

Name
htmldoc
Purl
pkg:deb/debian/htmldoc?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.9.13-1

Ecosystem specific 

{
    "urgency": "unimportant"
}

Database specific

source

"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2021-34121.json"

Debian:13 / htmldoc

Package

Name
htmldoc
Purl
pkg:deb/debian/htmldoc?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.9.13-1

Ecosystem specific 

{
    "urgency": "unimportant"
}

Database specific

source

"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2021-34121.json"

Debian:14 / htmldoc

Package

Name
htmldoc
Purl
pkg:deb/debian/htmldoc?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.9.13-1

Ecosystem specific 

{
    "urgency": "unimportant"
}

Database specific

source

"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2021-34121.json"