High 7.8Published Aug 22, 2022

CVE-2022-38171Xpdf prior to version 4.04 contains an integer overflow in the JBIG2 decoder (JBIG2Stream::readTextRegionSeg() in JBIG2Stream.cc).

Updated under an hour ago (Nov 2, 2026, 1:40 AM ET)

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It affects xpdfreader xpdf and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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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).

CVSS: 7.8 HIGH (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-190
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Jun 17, 2026
First seen by InfoSec Signals: Nov 1, 2026

Affected products

Affected products

xpdfreader xpdf xpdfreader:xpdf	4.04	NVD
freedesktop poppler freedesktop:poppler	before 22.09.0	NVD

References

References

http://www.openwall.com/lists/oss-security/2022/09/02/11	mailing-list, third-party-advisory
http://www.xpdfreader.com/security-fixes.html	vendor-advisory
https://dl.xpdfreader.com/xpdf-4.04.tar.gz	vendor-advisory
https://github.com/jeffssh/CVE-2021-30860	third-party-advisory
https://github.com/zmanion/Vulnerabilities/blob/main/CVE-2022-38171.md	patch, third-party-advisory
https://googleprojectzero.blogspot.com/2021/12/a-deep-dive-into-nso-zero-click.html	third-party-advisory
https://www.cve.org/CVERecord?id=CVE-2021-30860	third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.