DEBIAN-CVE-2026-3203: wireshark security update

DEBIAN-CVE-2026-3203, released February 25, 2026, fixes 1 CVE in wireshark. None of them is reported as exploited. Patch Radar priority: High.

High

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

7.5

Base score, 0 to 10

Highest EPSS

0.0019

8th percentile

Fixed package versions

Product	Release	Fixed in
wireshark	Debian 13.5 (trixie)	4.4.14-0+deb13u1
wireshark	Debian 14	4.6.4-1

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2026-3203	wireshark: RF4CE Profile protocol dissector crash in Wireshark 4.6.0 to 4.6.3 and 4.4.0 to 4.4.13 allows denial of service	7.5	0.0019	None reported

Also fixes CVE-2026-3203

SUSE-SU-2026:1169-1
libvirt, wireshark on sles 15.7
RHSA-2026:26182
wireshark on RHEL 10
RLSA-2026:9666
wireshark on rocky 10
ALSA-2026:9666
wireshark, wireshark-cli, wireshark-devel on almalinux 10
ELSA-2026-9666
wireshark, wireshark-cli, wireshark-devel on ol 10

Vendor advisory

https://security-tracker.debian.org/tracker/CVE-2026-3203

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