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Fencer Vulns
medium 5.3

CVE-2023-4511 json

Loop with Unreachable Exit Condition ('Infinite Loop') in Wireshark

published 2023-08-24 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-54366

cvss
5.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 40%
public exploits
0
none known

Summary

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

Patch / fix

  • Wireshark Foundation Wireshark 3.6.16, 4.0.8
  • wireshark Debian 12 4.0.11-1~deb12u1
  • wireshark Debian 14, Debian 13 4.0.8-1

debian advisories DEBIAN-CVE-2023-4511

  • wireshark SLE Module for Desktop Applications 15 SP5, SLE Module for Desktop Applications 15 SP4, SLE Module for Basesystem 15 SP5 +5 more 3.6.16-150000.3.100.1

suse advisories SUSE-SU-2023:3778-1

  • wireshark openSUSE Tumbleweed 4.0.8-2.1

opensuse advisories openSUSE-SU-2024:13184-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2023-4511 updated cvss 6.5

wireshark: DoS (infinite loop) via packet injection or crafted capture file

  • Red Hat Enterprise Linux 6 wireshark, wireshark-gnome Red Hat Enterprise Linux 7 wireshark, wireshark-gnome
    affected: no fix planned “Out of support scope”
  • Red Hat Enterprise Linux 8 wireshark, wireshark-cli Red Hat Enterprise Linux 9 wireshark, wireshark-cli
    affected: no fix planned “Will not fix”
  • Red Hat OpenShift Container Platform 4 wireshark
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.46% chance of exploitation in the next 30 days, higher than 40% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 5.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

  • Wireshark Foundation Wireshark

Classification

Weakness
  • CWE-835 Loop with Unreachable Exit Condition

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.