What is CVE-2022-33108?

CVE-2022-33108 is a high-severity vulnerability in Xpdfreader Xpdf, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2022-06-28.

How severe is CVE-2022-33108?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in Xpdfreader Xpdf

CVE-2022-33108

XPDF v4.04 was discovered to contain a stack overflow vulnerability via the Object::Copy class of object.cc files.

Vulnerability class: Buffer Overflow

Published 2022-06-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.011 (66.3th percentile), scored 2026-10-19.

Low probability of exploitation in the next 30 days, but still tracked. 66th percentile — 66.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Xpdfreader Xpdf — versions 4.04

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

forum.xpdfreader.com/viewtopic.php (Exploit, Third Party Advisory, Issue Tracking)
forum.xpdfreader.com/viewtopic.php (Exploit, Third Party Advisory, Issue Tracking)
forum.xpdfreader.com/viewtopic.php (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2022-33108?: CVE-2022-33108 is a high-severity vulnerability in Xpdfreader Xpdf, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2022-06-28.
How severe is CVE-2022-33108?: High severity. CVSS v3 base score is 7.8 out of 10.