Is CVE-2021-29390 in the CISA KEV catalog?

No. CVE-2021-29390 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-29390?

CVE-2021-29390 has a CVSS v3 base score of 7.1 (HIGH).

What is the EPSS score for CVE-2021-29390?

CVE-2021-29390 has an EPSS score of 0.71% (49th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-29390?

Upgrade libjpeg-turbo on rhel 9 to 0:2.0.90-7.el9 or later. Fixes are available for 18 affected products.

CVE & CISA-KEV Catalog

CVE-2021-29390

HIGH

7.1

CVSS v3

NVD

Description

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

CWE-787Out-of-bounds Write

How to fix

Remediation Available

libjpeg-turboRed Hat / RHEL

Fixed in:0:2.0.90-7.el9RHSA-2024:2295

libjpeg-turboRocky

Fixed in:0:2.0.90-7.el9RHSA-2024:2295

libjpeg-turbo-debuginfoRed Hat / RHEL

Fixed in:0:2.0.90-7.el9RHSA-2024:2295

libjpeg-turbo-debuginfoRocky

Fixed in:0:2.0.90-7.el9RHSA-2024:2295

libjpeg-turbo-debugsourceRed Hat / RHEL

Fixed in:0:2.0.90-7.el9RHSA-2024:2295

libjpeg-turbo-debugsourceRocky

Fixed in:0:2.0.90-7.el9RHSA-2024:2295

libjpeg-turbo-develRocky

Fixed in:0:2.0.90-7.el9RHSA-2024:2295

libjpeg-turbo-develRed Hat / RHEL

Fixed in:0:2.0.90-7.el9RHSA-2024:2295

libjpeg-turbo-utilsRed Hat / RHEL

Fixed in:0:2.0.90-7.el9RHSA-2024:2295

libjpeg-turbo-utilsRocky

Fixed in:0:2.0.90-7.el9RHSA-2024:2295

libjpeg-turbo-utils-debuginfoRocky

Fixed in:0:2.0.90-7.el9RHSA-2024:2295

libjpeg-turbo-utils-debuginfoRed Hat / RHEL

Fixed in:0:2.0.90-7.el9RHSA-2024:2295

turbojpegRed Hat / RHEL

Fixed in:0:2.0.90-7.el9RHSA-2024:2295

turbojpegRocky

Fixed in:0:2.0.90-7.el9RHSA-2024:2295

turbojpeg-debuginfoRocky

Fixed in:0:2.0.90-7.el9RHSA-2024:2295

turbojpeg-debuginfoRed Hat / RHEL

Fixed in:0:2.0.90-7.el9RHSA-2024:2295

turbojpeg-develRocky

Fixed in:0:2.0.90-7.el9RHSA-2024:2295

turbojpeg-develRed Hat / RHEL

Fixed in:0:2.0.90-7.el9RHSA-2024:2295

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.71%probability of exploitation in 30 days

49thpercentile

Moderate risk: more likely to be exploited than 49% of all known CVEs.

References

Patch1

github.com

Issue Tracking2

Other references3

Related Vulnerabilities

Other CWE-787 (Out-of-bounds Write) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-22457	Critical	9.0	100%	KEV + Ransom	Fix
CVE-2025-0282	Critical	9.0	100%	KEV + Ransom	-
CVE-2015-3113	Critical	9.8	100%	KEV	Fix
CVE-2021-20038	Critical	9.8	100%	KEV + Ransom	-
CVE-2023-4863	High	8.8	100%	KEV	Fix
CVE-2020-16040	Medium	6.5	100%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.