CVE-2022-24106: In Xpdf prior to 4.04, the DCT (JPEG) decoder was incorrectly allowing the 'interleaved' flag to be changed af

Q: How do I fix CVE-2022-24106?

xpdfreader: upgrade to 4.04. Exact commands for each OS are on this page.

Q: Is CVE-2022-24106 being exploited?

CVE-2022-24106 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2022-24106 affect?

CVE-2022-24106 affects xpdfreader. Severity is high (CVSS 7.8). In Xpdf prior to 4.04, the DCT (JPEG) decoder was incorrectly allowing the 'interleaved' flag to be changed after the first scan of the image, leading to an unknown integer-related vulnerability in Stream.cc.

Routine

HIGH 7.8UPGRADE

CVE-2022-24106 is a high-severity flaw (CVSS 7.8) affecting xpdfreader. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In Xpdf prior to 4.04, the DCT (JPEG) decoder was incorrectly allowing the 'interleaved' flag to be changed after the first scan of the image, leading to an unknown integer-related vulnerability in Stream.cc.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.3% (top 76%)
CISA exploited list	No
Weakness	CWE-190
Published	2022-08-30
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: glyphandcog

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-08-30 04:15 UTCPublished CVE record published
2026-06-17 04:31 UTCUpdated Record last modified

glyphandcog xpdfreader UPGRADE

Affected: < 4.04

Fixed in: 4.04

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy xpdfreader || rpm -q xpdfreader || xpdfreader --version

2. UPGRADE to 4.04 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade xpdfreader

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade xpdfreader

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-24106?

xpdfreader: upgrade to 4.04. Exact commands for each OS are on this page.

Is CVE-2022-24106 being exploited?

CVE-2022-24106 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2022-24106 affect?

CVE-2022-24106 affects xpdfreader. Severity is high (CVSS 7.8). In Xpdf prior to 4.04, the DCT (JPEG) decoder was incorrectly allowing the 'interleaved' flag to be changed after the first scan of the image, leading to an unknown integer-related vulnerability in Stream.cc.

How urgent is CVE-2022-24106?

Priority 33/100. High severity

Related CVEs

CVE-2022-24107 HIGH 7.8 UPGRADE Xpdf prior to 4.04 lacked an integer overflow check in JPXStream.cc.
CVE-2021-40226 HIGH 7.5 DOWNGRADE xpdfreader 4.03 is vulnerable to Buffer Overflow.

References

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