PT-2025-48796 · Wireshark Foundation+2 · Wireshark+2

Sébastien Féry · Published 2025-12-03 · Updated 2026-04-02 · CVE-2025-13945

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Wireshark versions 4.6.0 through 4.6.1

Description An issue exists in the HTTP3 dissector of Wireshark that can lead to a denial of service. The vulnerability is due to a crash in the dissector when processing HTTP3 traffic.

Recommendations Wireshark version 4.6.0: Update to a newer version to address this issue. Wireshark version 4.6.1: Update to a newer version to address this issue.

Exploit

Fix

DoS

Weakness Enumeration

CWE-1325

Related Identifiers

BDU:2026-03608

CVE-2025-13945

OPENSUSE-SU-2025:15799-1

OPENSUSE-SU-2026:20151-1

SUSE-SU-2026:1169-1

SUSE-SU-2026:20222-1

Affected Products

Debian

Red Os

Wireshark

References · 65

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/13xxx/CVE-2025-13945.json · Exploit
• 🔥 https://wireshark.org/security/wnpa-sec-2025-07.html · Exploit
• https://gitlab.com/wireshark/wireshark/-/issues/20860 · Patch
• https://osv.dev/vulnerability/openSUSE-SU-2025:15799-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2025-13945 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:1169-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:20222-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2025-13945 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-13945 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2026:20151-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-13945 · Security Note
• https://bdu.fstec.ru/vul/2026-03608 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2025-13945 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2025-13945 · Security Note
• https://osv.dev/vulnerability/CVE-2025-13945 · Vendor Advisory