7.5

CVE-2023-4511: wireshark foundation wireshark Infinite Loop

CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2023-4511DEBIAN-CVE-2023-4511
Published 24-08-2023Last modified 27-03-2026

Vulnerability summary

CVE-2023-4511 is a high (CVSS 7.5) Infinite Loop vulnerability in wireshark foundation wireshark. EPSS estimates a 0.46% chance of exploitation in the next 30 days, higher than 38.7% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
0.46%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 6 · Related 2

Timeline

  1. 24-08-2023
    PublishedVulnerability first disclosed.
  2. 27-03-2026
    Last modifiedVulnerability information updated.

Description

BT SDP dissector infinite loop in Wireshark 4.0.0 to 4.0.7 and 3.6.0 to 3.6.15 allows denial of service via packet injection or crafted capture file

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.46%

Chance of exploitation in the next 30 days

Percentile

39%

Versus all other CVEs

30-day change

0.00 pp

From 0.46% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.46%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • wireshark< 4.0.11-1~deb12u1 | < 4.0.8-1
Ubuntu1 product
  • wiresharkAll versions (No fix recorded)
Wireshark1 product
  • wireshark≥ 3.6.0, ≤ 3.6.15 | ≥ 4.0.0, ≤ 4.0.7
Wireshark foundation1 product
  • wireshark≥ 4.0.0, < 4.0.8 | ≥ 3.6.0, < 3.6.16

4 vendors · 4 products

References

10 links