Buffer overflow in Htmldoc Project
CVE-2021-23165
A flaw was found in htmldoc before v1.9.12. Heap buffer overflow in pspdf_prepare_outpages(), in ps-pdf.cxx may lead to execute arbitrary code and denial of service.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.035 (88.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 88.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.035 · newest: 0.035 · change: 0.000
Affected products
- Htmldoc Project
- Htmldoc — versions before v1.9.12
Weakness classification (CWE)
References
- github.com/michaelrsweet/htmldoc/issues/413 (Exploit, Third Party Advisory, Issue Tracking)
- bugzilla.redhat.com/show_bug.cgi (Exploit, Patch, Third Party Advisory, Issue Tracking)
- github.com/michaelrsweet/htmldoc/commit/6e8a95561988500b5b5ae4861b3b0cbf4fba517f (Patch, Third Party Advisory)
- github.com/michaelrsweet/htmldoc/commit/6e8a95561988500b5b5ae4861b3b0cbf4fba517… (Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-23165?
- CVE-2021-23165 is a critical-severity vulnerability in Htmldoc Project, classified under Heap-based Buffer Overflow. CVSS score: 9.8/10. Published 2022-03-16.
- How severe is CVE-2021-23165?
- Critical severity. CVSS v3 base score is 9.8 out of 10.