5.5

CVE-2021-29338: debian debian_linux Integer Overflow or Wraparound

Modified
AliasesALPINE-CVE-2021-29338MGASA-2021-0216UBUNTU-CVE-2021-29338
Published 14-04-2021Last modified 03-11-2025

Vulnerability summary

CVE-2021-29338 is a medium (CVSS 5.5) Integer Overflow or Wraparound vulnerability in debian debian_linux. EPSS estimates a 1.56% chance of exploitation in the next 30 days, higher than 75.2% of scored vulnerabilities. 1 public exploit is recorded.

Priority
Routine

Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
1.56%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits1github

Advisory lineage

Upstream 0 · Downstream 7 · Related 4
DLA-2975-1DLA-4107-1RHSA-2021:4251SUSE-SU-2022:1129-1SUSE-SU-2022:1252-1SUSE-SU-2022:1296-1

Timeline

  1. 14-04-2021
    PublishedVulnerability first disclosed.
  2. 03-11-2025
    Last modifiedVulnerability information updated.

Description

Integer Overflow in OpenJPEG v2.4.0 allows remote attackers to crash the application, causing a Denial of Service (DoS). This occurs when the attacker uses the command line option "-ImgDir" on a directory that contains 1048576 files.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

1.56%

Chance of exploitation in the next 30 days

Percentile

75%

Versus all other CVEs

30-day change

No change 0.00 pp

From 1.56% 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
  • qtwebengine-opensource-srcAll versions (No fix recorded)
  • texmakerAll versions (No fix recorded)
Mageia4 products
  • mingw-openjpeg2< 2.4.0-1.mga7
  • openjpeg2< 2.4.0-1.1.mga7
  • mingw-openjpeg2< 2.4.0-1.1.mga8
  • openjpeg2< 2.4.0-1.1.mga8
Debian2 products
Alpine1 product
  • openjpeg< 2.4.0-r1
Fedoraproject1 product
Uclouvain1 product

6 vendors · 14 products

References

21 links
Show all 21 references