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CVE-2021-3575

26
FAUCET Score

CVE-2021-3575 is a heap-based buffer overflow in the openjpeg library, specifically in the sycc420_to_rgb function, affecting various Fedora and Red Hat Enterprise Linux distributions. An attacker could exploit this vulnerability by crafting a malicious .j2k file, potentially leading to arbitrary code execution with the privileges of the vulnerable application. Rated with a CVSS score of 7.8 (High), it requires user interaction (UI:R) and local access (AV:L) for exploitation, but could result in high impact to confidentiality, integrity, and availability. Currently, there is no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.4.0CPE matchmatch criteria
cpe:2.3:a:uclouvain:openjpeg:*:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
33CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.54%
Probability of exploitation in next 30 days
EPSS Percentile
72.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0154 is in the 71st percentile among its peer group of 11,621 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (5)

9001patch availablevia llm_extracted
View patch
gatsbyjspatch availablevia llm_extracted
View patch
joinmastodonpatch availablevia llm_extracted
View patch
mariadbpatch availablevia llm_extracted
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: openjpeg2-0:2.4.0-4.el8
View patch

Vendor Advisories (5)

gatsbyjsllm-gatsbyjs-d2a2db116f1afcf5CRITICAL

HP ThinPro 8.1 SP6 Security Updates

Mar 3, 2025
9001llm-9001-fecf0327d92708b9CRITICAL

HP ThinPro 8.1 SP6 Security Updates

Mar 3, 2025
joinmastodonllm-joinmastodon-9b2d3b3c900c6299CRITICAL

HP ThinPro 8.1 SP6 Security Updates

Mar 3, 2025
mariadbllm-mariadb-7e20cc2309665f3eCRITICAL

HP ThinPro 8.1 SP6 Security Updates

Mar 3, 2025
redhatCVE-2021-3575Moderate

openjpeg: heap-buffer-overflow in color.c may lead to DoS or arbitrary code execution

May 1, 2021

References

lists.debian.org / debian-lts-announce/2025/04/msg00002.html
bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party Advisory
github.com / uclouvain/openjpeg/issues/1347
ExploitIssue TrackingThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/EZ54FGM2IGAP4AWSJ22JKHOPHCR3FGYU
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/QB6AI7CWXWMEDZIQY4LQ6DMIEXMDOHUP
ubuntu.com / security/CVE-2021-3575
Third Party Advisory