CVE-2021-34121

EUVD-2021-20784
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.8 HIGH
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 6%
Affected Products (NVD)
VendorProductVersion
htmldoc_projecthtmldoc
1.9.12
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
htmldoc
bookworm
1.9.16-1
fixed
bullseye
unimportant
sid
1.9.18-3
fixed
trixie
1.9.18-3
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
htmldoc
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
kinetic
ignored
lunar
ignored
mantic
ignored
noble
needs-triage
trusty
needs-triage
xenial
needs-triage
Common Weakness Enumeration
References
https://github.com/michaelrsweet/htmldoc/commit/c67bbd8756f015e33e4ba639a40c7f9d8bd9e8ab
https://github.com/michaelrsweet/htmldoc/issues/433
https://github.com/michaelrsweet/htmldoc/commit/c67bbd8756f015e33e4ba639a40c7f9d8bd9e8ab
https://github.com/michaelrsweet/htmldoc/issues/433