CVSS v3
7.5
HIGH
EPSS Score
1.6 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
HTMLDoc v1.9.15 was discovered to contain a heap overflow via (write_header) /htmldoc/htmldoc/html.cxx:273.
Technical details
- Published
- 2022-07-18
Frequently asked questions
What is CVE-2022-34033?
HTMLDoc v1.9.15 was discovered to contain a heap overflow via (write_header) /htmldoc/htmldoc/html.cxx:273.
Is CVE-2022-34033 actively exploited?
Active exploitation of CVE-2022-34033 has not been confirmed. Its EPSS score was 1.6% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2022-34033?
CVE-2022-34033 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2022-34033 affecting your environment?
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