6.5

CVE-2023-1993: debian debian_linux Excessive Iteration

CVSS: 6.5v3.1MediumModified
AliasesUBUNTU-CVE-2023-1993DEBIAN-CVE-2023-1993
Published 12-04-2023Last modified 03-11-2025
Open JSON

Vulnerability summary

CVE-2023-1993 is a medium (CVSS 6.5) Excessive Iteration vulnerability in debian debian_linux. EPSS estimates a 4.09% chance of exploitation in the next 30 days, higher than 90.6% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
37/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (NVD)
EPSS score
4.09%
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 5 · Related 2
DLA-3402-1DLA-3906-1DSA-5429-1OPENSUSE-SU-2024:12865-1SUSE-SU-2023:1931-1

Timeline

  1. 12-04-2023
    PublishedVulnerability first disclosed.
  2. 03-11-2025
    Last modifiedVulnerability information updated.

Description

LISP dissector large loop in Wireshark 4.0.0 to 4.0.4 and 3.6.0 to 3.6.12 allows denial of service via packet injection or crafted capture file

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

4.09%

Chance of exploitation in the next 30 days

Percentile

91%

Versus all other CVEs

30-day change

0.00 pp

From 4.09% on 19-09-2026

19-09-202619-10-2026
EPSS score
4.09%

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

Debian2 products
  • wireshark< 4.0.6-1~deb12u1 | < 4.0.6-1
  • debian_linuxEOL10.0 | 12.0
Fedoraproject1 product
Ubuntu1 product
  • wiresharkAll versions (No fix recorded)
Wireshark1 product
  • wireshark≥ 3.6.0, < 3.6.13 | ≥ 4.0.0, < 4.0.5
Wireshark foundation1 product
  • wireshark≥ 4.0.0, < 4.0.5 | ≥ 3.6.0, < 3.6.13

5 vendors · 6 products

References

13 links
Show all 13 references