7.8

CVE-2021-3575: fedoraproject fedora Out-of-bounds Write

Modified
AliasesALPINE-CVE-2021-3575MGASA-2021-0292UBUNTU-CVE-2021-3575
Published 04-03-2022Last modified 03-11-2025

Vulnerability summary

CVE-2021-3575 is a high (CVSS 7.8) Out-of-bounds Write vulnerability in fedoraproject fedora. EPSS estimates a 1.55% chance of exploitation in the next 30 days, higher than 75% of scored vulnerabilities. 1 public exploit is recorded.

Priority
Prioritisepublic exploit

Public exploit (GitHub, Date unknown)

Source freshness unavailable

How is this decided?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
1.55%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits1github

Advisory lineage

Upstream 0 · Downstream 4 · Related 1

Timeline

  1. 04-03-2022
    PublishedVulnerability first disclosed.
  2. 03-11-2025
    Last modifiedVulnerability information updated.

Description

A heap-based buffer overflow was found in openjpeg in color.c:379:42 in sycc420_to_rgb when decompressing a crafted .j2k file. An attacker could use this to execute arbitrary code with the permissions of the application compiled against openjpeg.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

1.55%

Chance of exploitation in the next 30 days

Percentile

75%

Versus all other CVEs

30-day change

Increase +0.01 pp

From 1.54% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

1 found
  • githubUnverified

    Openjpeg

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu5 products
  • blenderAll versions (No fix recorded)
  • insighttoolkit4All versions (No fix recorded)
  • openjpeg2< 2.1.2-1.1+deb9u6ubuntu0.1~esm6 | < 2.3.0-2+deb10u2ubuntu0.1~esm3 | < 2.3.1-1ubuntu4.20.04.3 | < 2.4.0-6ubuntu0.2 | < 2.5.0-2ubuntu0.2
  • qtwebengine-opensource-srcAll versions (No fix recorded)
  • texmakerAll versions (No fix recorded)
Mageia2 products
  • openjpeg2< 2.4.0-1.2.mga7
  • openjpeg2< 2.4.0-1.2.mga8
Alpine1 product
  • openjpeg< 2.5.0-r0
Debian1 product
  • openjpeg2< 2.5.0-2+deb12u1 | < 2.5.3-1
Fedoraproject1 product
Redhat1 product
Uclouvain1 product

7 vendors · 12 products

References

13 links
Show all 13 references