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Fencer Intel
high 7.8

CVE-2025-5601 json

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') in Wireshark

published last yr. modified 4mo ago also EUVD-2025-16867

cvss
7.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 25%
public exploits
0
none known

Summary

Column handling crashes in Wireshark 4.4.0 to 4.4.6 and 4.2.0 to 4.2.12 allows denial of service via packet injection or crafted capture file

Patch / fix

  • Wireshark Foundation Wireshark 4.2.13, 4.4.7
  • wireshark Debian 12 4.0.17-0+deb12u2
  • wireshark Debian 14, Debian 13 4.4.7-1

debian advisories DEBIAN-CVE-2025-5601

  • wireshark SLE Module for Desktop Applications 15 SP7, SLE Module for Basesystem 15 SP7 4.6.4-150700.21.8.1
  • libvirt SLE Module for Server Applications 15 SP7, SLE Module for Basesystem 15 SP7 11.0.0-150700.4.19.1
  • wireshark SLE Module for Basesystem 15 SP7 3.6.24-150000.3.121.1
  • wireshark SLE Module for Desktop Applications 15 SP7, SLE Module for Desktop Applications 15 SP6, SLE Module for Basesystem 15 SP7 +2 more 4.2.12-150600.18.23.1
  • wireshark SLES LTSS Extended Security 12 SP5 2.4.16-48.63.1

suse advisories SUSE-SU-2026:1169-1SUSE-SU-2025:02272-1SUSE-SU-2025:02271-1SUSE-SU-2025:01968-1

  • wireshark openSUSE Tumbleweed 4.4.7-1.1

opensuse advisories openSUSE-SU-2025:15308-1

  • wireshark Alpine 3.24, Alpine 3.23, Alpine 3.22 4.4.7-r0

alpine advisories ALPINE-CVE-2025-5601

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Is CVE-2025-5601 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

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-2025-5601 updated cvss 6.5

wireshark: Buffer Overflow in Wireshark

  • Red Hat Enterprise Linux 6 wireshark, wireshark-gnome Red Hat Enterprise Linux 7 wireshark, wireshark-gnome
    affected: workaround, no fix planned “Out of support scope”
  • Red Hat Enterprise Linux 10 wireshark
    affected: workaround, no fix available “Fix deferred”
  • 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
total
Assessed
last yr.

Exploit prediction

0.32% chance of exploitation in the next 30 days, higher than 25% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • gitlab.com https://gitlab.com/wireshark/wireshark/-/issues/20509 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 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected products

  • Wireshark Foundation Wireshark

Classification

Weakness
  • CWE-120 Buffer Copy without Checking Size of Input
  • CWE-787 Out-of-bounds Write

References

Sources

Fencer Intel 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.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.