CVE-2022-38171

Name: CVE-2022-38171
Creator: NVD / NIST
Published: 2022-08-22T19:15:11.06+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.31%

Last modified Jun 17, 2026

CVE-2022-38171 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Xpdf prior to version 4.04 contains an integer overflow in the JBIG2 decoder (JBIG2Stream::readTextRegionSeg() in JBIG2Stream.cc). Processing a specially crafted PDF file or JBIG2 image could lead to a crash or the execution of arbitrary code. EPSS estimates a 0.31% chance of exploitation in the next 30 days.

Description

Xpdf prior to version 4.04 contains an integer overflow in the JBIG2 decoder (JBIG2Stream::readTextRegionSeg() in JBIG2Stream.cc). Processing a specially crafted PDF file or JBIG2 image could lead to a crash or the execution of arbitrary code. This is similar to the vulnerability described by CVE-2021-30860 (Apple CoreGraphics).

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

0.31%

23.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-190

Affected Software

Vendor	Product	Versions
Xpdfreader	Xpdf	4.04
Freedesktop	Poppler	< 22.09.0

References

http://www.openwall.com/lists/oss-security/2022/09/02/11Mailing List, Third Party Advisory
http://www.xpdfreader.com/security-fixes.htmlVendor Advisory
https://dl.xpdfreader.com/xpdf-4.04.tar.gzVendor Advisory
https://github.com/jeffssh/CVE-2021-30860Third Party Advisory
https://github.com/zmanion/Vulnerabilities/blob/main/CVE-2022-38171.mdPatch, Third Party Advisory
https://googleprojectzero.blogspot.com/2021/12/a-deep-dive-into-nso-zero-click.htmlThird Party Advisory
https://www.cve.org/CVERecord?id=CVE-2021-30860Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/09/02/11Mailing List, Third Party Advisory
http://www.xpdfreader.com/security-fixes.htmlVendor Advisory
https://dl.xpdfreader.com/xpdf-4.04.tar.gzVendor Advisory
https://github.com/jeffssh/CVE-2021-30860Third Party Advisory
https://github.com/zmanion/Vulnerabilities/blob/main/CVE-2022-38171.mdPatch, Third Party Advisory
https://googleprojectzero.blogspot.com/2021/12/a-deep-dive-into-nso-zero-click.htmlThird Party Advisory
https://www.cve.org/CVERecord?id=CVE-2021-30860Third Party Advisory

Timeline

Published: Aug 22, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-38171?

How severe is CVE-2022-38171?

CVE-2022-38171 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.31% probability of exploitation in the next 30 days.

How do I fix CVE-2022-38171?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-38171?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST