CVE-2025-5601: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') in Wireshark

Medium severity · published Jun 4, 2025

CVE-2025-5601

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

6.5

CVSS

0.3%

EPSS

On KEV

Description

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

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack vector

Network

Complexity

Low

Privileges

None

User interaction

Required

Confidentiality

None

Integrity

None

Availability

High

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)0.3% · higher than 24% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Wireshark · Wireshark Foundation

4.4.0 before 4.4.7; 4.2.0 before 4.2.13 · source: vendor, NVD

Affected product

Wireshark

Wireshark Foundation

All Wireshark CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2025-5601

CVE.org

https://www.cve.org/CVERecord?id=CVE-2025-5601

Exploit

https://gitlab.com/wireshark/wireshark/-/issues/20509

Vendor Advisory

https://www.wireshark.org/security/wnpa-sec-2025-02.html