Out-of-bounds read in Wireshark - CVE-2026-15168

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Main Vulnerability Database Vulnerabilities #VU137181

Out-of-bounds read in Wireshark - CVE-2026-15168

Published: July 9, 2026


Vulnerability identifier: #VU137181
CSH Severity: Low
CVSS v4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-15168
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to disclose sensitive information.

The vulnerability exists due to out-of-bounds read in the BLF file parser when parsing a malformed packet trace file. A remote attacker can trick the victim into opening a crafted file to disclose sensitive information.

User interaction is required to open a crafted packet trace file.


Affected software

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

How to mitigate CVE-2026-15168

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

External References

Related Security Bulletins