High 7.1Published Aug 22, 2023

CVE-2021-29390libjpeg-turbo version 2.0.90 has a heap-based buffer over-read (2 bytes) in decompress_smooth_data in jdcoefct.c.

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

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It affects libjpeg-turbo 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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libjpeg-turbo version 2.0.90 has a heap-based buffer over-read (2 bytes) in decompress_smooth_data in jdcoefct.c.

CVSS: 7.1 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
Weakness (CWE): CWE-787
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 16, 2026
First seen by InfoSec Signals: Nov 1, 2026

Affected products

Affected products

libjpeg-turbo libjpeg-turbo libjpeg-turbo:libjpeg-turbo	2.0.90	NVD
fedoraproject fedora fedoraproject:fedora	37; 38; 39	NVD

References

References

https://bugzilla.redhat.com/show_bug.cgi?id=1943797	issue-tracking, permissions-required
https://github.com/libjpeg-turbo/libjpeg-turbo/blob/4e52b66f342a803d3b8099b79607e3158d3a241c/jdcoefct.c#L595	issue-tracking
https://github.com/libjpeg-turbo/libjpeg-turbo/commits/main/jdcoefct.c	patch
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/27NR3KG553CG6LGPMP6SHWEVHTYPL6RC/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6T655QF7CQ3DYAMPFV7IECQYGDEUIVVT/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KUQ7CTX3W372X3UY56VVNAHCH6H2F4X3/

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.