What is CVE-2022-38928?

CVE-2022-38928 is a high-severity vulnerability in Xpdfreader Xpdf, classified under NULL Pointer Dereference. CVSS score: 7.8/10. Published 2022-09-21.

How severe is CVE-2022-38928?

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

NULL pointer dereference in Xpdfreader Xpdf

CVE-2022-38928

XPDF 4.04 is vulnerable to Null Pointer Dereference in FoFiType1C.cc:2393.

Published 2022-09-21 · 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: 0.004 (35.7th percentile), scored 2026-10-19.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 35.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000

Affected products

Xpdfreader Xpdf — versions 4.04

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

forum.xpdfreader.com/viewtopic.php (Exploit, Vendor Advisory)

Frequently asked questions

What is CVE-2022-38928?: CVE-2022-38928 is a high-severity vulnerability in Xpdfreader Xpdf, classified under NULL Pointer Dereference. CVSS score: 7.8/10. Published 2022-09-21.
How severe is CVE-2022-38928?: High severity. CVSS v3 base score is 7.8 out of 10.