What is CVE-2024-45508?

CVE-2024-45508 is a critical-severity vulnerability in Htmldoc Project, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2024-09-01.

How severe is CVE-2024-45508?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Htmldoc Project

CVE-2024-45508

HTMLDOC before 1.9.19 has an out-of-bounds write in parse_paragraph in ps-pdf.cxx because of an attempt to strip leading whitespace from a whitespace-only node.

Vulnerability class: Buffer Overflow

Published 2024-09-01 · last modified 2026-06-17.

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: 0.007 (51.3th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 51.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: -0.000

Affected products

Htmldoc Project

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

github.com/michaelrsweet/htmldoc/issues/528 (Exploit, Patch, Issue Tracking)
github.com/michaelrsweet/htmldoc/commit/2d5b2ab9ddbf2aee2209010cebc11efdd1cab6e2 (Patch)
github.com/michaelrsweet/htmldoc/blob/2d5b2ab9ddbf2aee2209010cebc11efdd1cab6e2/… (Release Notes)

Frequently asked questions

What is CVE-2024-45508?: CVE-2024-45508 is a critical-severity vulnerability in Htmldoc Project, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2024-09-01.
How severe is CVE-2024-45508?: Critical severity. CVSS v3 base score is 9.8 out of 10.