CVE-2025-5601 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') in Wireshark
Attackers can cause Wireshark to crash via crafted packets or capture files, leading to denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2025-5601?
CVE-2025-5601 is a high-severity memory corruption vulnerability in Wireshark Wireshark, published on 4 Jun 2025. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official 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
Which versions are affected by CVE-2025-5601?
It affects 1 product.
Linux distribution packages (8)
wireshark SUSE:Linux Enterprise Module for Basesystem 15 SP6 | All versions | 4.2.12-150600.18.23.1 |
wireshark SUSE:Linux Enterprise Module for Basesystem 15 SP7 | All versions | 3.6.24-150000.3.121.1 |
wireshark SUSE:Linux Enterprise Module for Basesystem 15 SP7 | All versions | 4.2.12-150600.18.23.1 |
wireshark SUSE:Linux Enterprise Module for Desktop Applications 15 SP6 | All versions | 4.2.12-150600.18.23.1 |
wireshark SUSE:Linux Enterprise Module for Desktop Applications 15 SP7 | All versions | 4.2.12-150600.18.23.1 |
wireshark SUSE:Linux Enterprise Server LTSS Extended Security 12 SP5 | All versions | 2.4.16-48.63.1 |
wireshark openSUSE:Leap 15.6 | All versions | 4.2.12-150600.18.23.1 |
wireshark openSUSE:Tumbleweed | All versions | 4.4.7-1.1 |
Products include Wireshark Wireshark.
How do I fix CVE-2025-5601?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2025-5601 being exploited?
There is no known exploitation of CVE-2025-5601 in the wild and no public exploit code.
Other vulnerabilities in Wireshark Wireshark
Sources
Also known as DEBIAN-CVE-2025-5601, GHSA-fqw2-jpxp-qh8x, SUSE-SU-2025:01968-1, SUSE-SU-2025:02271-1, SUSE-SU-2025:02272-1, UBUNTU-CVE-2025-5601 and 1 more.