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Fencer Vulns
high 7.8

CVE-2024-0207 json

Out-of-bounds Read in Wireshark

published 2024-01-03 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-16006

cvss
7.8
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

HTTP3 dissector crash in Wireshark 4.2.0 allows denial of service via packet injection or crafted capture file

Patch / fix

  • Wireshark Foundation Wireshark 4.2.1
  • wireshark Debian 14, Debian 13 4.2.2-1

debian advisories DEBIAN-CVE-2024-0207

  • wireshark SLE Module for Desktop Applications 15 SP6, SLE Module for Basesystem 15 SP6, openSUSE Leap 15.6 4.2.6-150600.18.6.1

suse advisories SUSE-SU-2024:3165-1

  • wireshark openSUSE Tumbleweed 4.2.1-1.1

opensuse advisories openSUSE-SU-2024:13556-1

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-2024-0207 updated cvss 5.5

wireshark: HTTP3 dissector crash via packet injection or crafted capture file

  • Red Hat Enterprise Linux 6 wireshark, wireshark-gnome Red Hat Enterprise Linux 7 wireshark, wireshark-gnome Red Hat Enterprise Linux 8 wireshark, wireshark-cli Red Hat Enterprise Linux 9 wireshark, wireshark-cli
    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

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.47% chance of exploitation in the next 30 days, higher than 40% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • wireshark.org https://www.wireshark.org/security/wnpa-sec-2024-03.html referenced PoC, tagged "exploit" by a source, unverified
  • gitlab.com https://gitlab.com/wireshark/wireshark/-/issues/19502 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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

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.