Input validation error in Wireshark - CVE-2026-15167

Vulnerability identifier: #VU137183

CSH Severity: Medium

CVSS v4: 6.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-15167

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to cause a denial of service.

The vulnerability exists due to improper input validation in the DBS Etherwatch file parser when parsing a malformed packet trace file. A remote attacker can trick the victim into opening a crafted packet trace file to cause a denial of service.

User interaction is required to open the crafted file.

Wireshark
SUSE Linux Enterprise Server 15 SP5
SUSE Linux Enterprise Server 15 SP4
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise High Performance Computing LTSS 15
openEuler
Anolis OS
Fedora
wireshark-devel
libwsutil13-debuginfo
wireshark-debugsource
libwireshark15-debuginfo
wireshark-ui-qt
libwiretap12
wireshark-debuginfo
libwireshark15
libwsutil13
wireshark
wireshark-ui-qt-debuginfo
libwiretap12-debuginfo
wireshark-doc
wireshark-cli
wireshark-help

Install security update from vendor's website.

Wireshark - addressed in versions 4.4.17, 4.6.7
wireshark-devel - update to 3.6.24-150000.3.136.1
libwsutil13-debuginfo - update to 3.6.24-150000.3.136.1
wireshark-debugsource - update to 3.6.24-150000.3.136.1
libwireshark15-debuginfo - update to 3.6.24-150000.3.136.1
wireshark-ui-qt - update to 3.6.24-150000.3.136.1
libwiretap12 - update to 3.6.24-150000.3.136.1
wireshark-debuginfo - update to 3.6.24-150000.3.136.1
libwireshark15 - update to 3.6.24-150000.3.136.1
libwsutil13 - update to 3.6.24-150000.3.136.1
wireshark - update to 3.6.24-150000.3.136.1
wireshark-ui-qt-debuginfo - update to 3.6.24-150000.3.136.1
libwiretap12-debuginfo - update to 3.6.24-150000.3.136.1
wireshark-debugsource - update to 4.4.17-1
wireshark-doc - update to 4.4.17-1
wireshark-devel - update to 4.4.17-1
wireshark-cli - update to 4.4.17-1
wireshark - update to 4.4.17-1
wireshark-help - update to 4.4.17-1
wireshark-devel - update to 4.4.17-1
wireshark - update to 4.4.17-1
wireshark-debuginfo - update to 4.4.17-1
wireshark - update to 4.6.7-1.fc44

• https://www.wireshark.org/security/wnpa-sec-2026-62.html
• https://gitlab.com/wireshark/wireshark/-/issues/21352

• Multiple vulnerabilities in Wireshark
• Fedora 44 update for wireshark
• openEuler 24.03 LTS SP4 update for wireshark
• openEuler 24.03 LTS SP3 update for wireshark
• openEuler 24.03 LTS SP1 update for wireshark
• openEuler 22.03 LTS SP4 update for wireshark
• Anolis OS update for wireshark
• SUSE update for wireshark