7.5

CVE-2021-4190: fedoraproject fedora Excessive Iteration

CVSS: 7.5v3.1HighModified
AliasesMGASA-2022-0068UBUNTU-CVE-2021-4190DEBIAN-CVE-2021-4190
Published 30-12-2021Last modified 03-11-2025
Open JSON

Vulnerability summary

CVE-2021-4190 is a high (CVSS 7.5) Excessive Iteration vulnerability in fedoraproject fedora. EPSS estimates a 3.10% chance of exploitation in the next 30 days, higher than 87.5% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
41/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
3.10%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 3 · Related 2
DLA-3906-1OPENSUSE-SU-2022:0375-1SUSE-SU-2022:0375-1

Timeline

  1. 30-12-2021
    PublishedVulnerability first disclosed.
  2. 03-11-2025
    Last modifiedVulnerability information updated.

Description

Large loop in the Kafka dissector in Wireshark 3.6.0 allows denial of service via packet injection or crafted capture file

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

3.10%

Chance of exploitation in the next 30 days

Percentile

88%

Versus all other CVEs

30-day change

0.00 pp

From 3.10% on 18-09-2026

18-09-202618-10-2026
EPSS score
3.10%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (gitlab.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • wireshark< 3.6.2-1
Fedoraproject1 product
Mageia1 product
  • wireshark< 3.4.12-1.mga8
Opensuse1 product
  • wireshark&distro=openSUSE Tumbleweed< 3.6.1-2.1
Ubuntu1 product
  • wireshark< 3.6.2-2
Wireshark1 product
Wireshark foundation1 product

7 vendors · 7 products

References

22 links
Show all 22 references