What is CVE-2022-44109?

CVE-2022-44109 is a critical-severity vulnerability in Pdftojson Project, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2022-12-19.

How severe is CVE-2022-44109?

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

Buffer overflow in Pdftojson Project

CVE-2022-44109

pdftojson commit 94204bb was discovered to contain a stack overflow via the component Stream::makeFilter(char*, Stream*, Object*, int).

Vulnerability class: Buffer Overflow

Published 2022-12-19 · 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: 0.010 (61.3th percentile), scored 2026-10-04.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 61.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: +0.000

Affected products

Pdftojson Project

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

github.com/ldenoue/pdftojson (Third Party Advisory)
github.com/ldenoue/pdftojson/issues/4 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2022-44109?: CVE-2022-44109 is a critical-severity vulnerability in Pdftojson Project, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2022-12-19.
How severe is CVE-2022-44109?: Critical severity. CVSS v3 base score is 9.8 out of 10.