CVE-2022-37769: libjpeg commit 281daa9 was discovered to contain a segmentation fault via HuffmanDecoder::Get at huffmandecode

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MEDIUM 6.5MITIGATE

CVE-2022-37769 is a medium-severity flaw (CVSS 6.5) affecting libjpeg. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

libjpeg commit 281daa9 was discovered to contain a segmentation fault via HuffmanDecoder::Get at huffmandecoder.hpp. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted file.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.7% (top 45%)
CISA exploited list	No
Weakness	CWE-119
Published	2022-08-18
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: jpeg

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

Am I affected?

Timeline

2022-08-18 20:15 UTCPublished CVE record published
2026-06-17 04:55 UTCUpdated Record last modified

jpeg libjpeg MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

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

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

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-2022-37769?

libjpeg: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-37769 being exploited?

CVE-2022-37769 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-2022-37769 affect?

CVE-2022-37769 affects libjpeg. Severity is medium (CVSS 6.5). libjpeg commit 281daa9 was discovered to contain a segmentation fault via HuffmanDecoder::Get at huffmandecoder.hpp. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted file.

How urgent is CVE-2022-37769?

Priority 41/100. Public exploit reference

Related CVEs

CVE-2023-37837 MEDIUM 6.5 UPGRADE libjpeg commit db33a6e was discovered to contain a heap buffer overflow via LineBitmapRequester::EncodeRegion
CVE-2023-37836 MEDIUM 6.5 UPGRADE libjpeg commit db33a6e was discovered to contain a reachable assertion via BitMapHook::BitMapHook at bitmaphoo
CVE-2022-37770 MEDIUM 6.5 MITIGATE libjpeg commit 281daa9 was discovered to contain a segmentation fault via LineMerger::GetNextLowpassLine at li
CVE-2022-37768 HIGH 7.5 MITIGATE libjpeg commit 281daa9 was discovered to contain an infinite loop via the component Frame::ParseTrailer.
CVE-2022-35166 MEDIUM 5.5 DOWNGRADE libjpeg commit 842c7ba was discovered to contain an infinite loop via the component JPEG::ReadInternal.

References

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