Missing Release of Memory after Effective Lifetime in Wireshark

published 2026-04-30 6 mo ago modified 2026-06-17 4 mo ago also EUVD-2026-26313

cvss: 5.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 8%
public exploits: 0; none known

Memory leak in sharkd 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

Patch / fix

fixed in 1 distros 3

Wireshark Foundation Wireshark 4.4.15, 4.6.5

debian suse opensuse

wireshark Debian 13 4.4.15-0+deb13u1
wireshark Debian 14 4.6.5-1

debian advisories DEBIAN-CVE-2026-7379

wireshark SLE Module for Desktop Applications 15 SP7, SLE Module for Basesystem 15 SP7 4.6.7-150700.21.11.1
wireshark SLES 16.0, SLES for SAP applications 16.0 4.4.17-160000.1.1
wireshark SLES LTSS Extended Security 12 SP5 2.4.16-48.69.1

suse advisories SUSE-SU-2026:3501-1 SUSE-SU-2026:23124-1 SUSE-SU-2026:23147-1 SUSE-SU-2026:2969-1

wireshark openSUSE Leap 16.0 4.4.17-160000.1.1
wireshark openSUSE Tumbleweed 4.6.5-1.1

opensuse advisories openSUSE-SU-2026:21534-1 openSUSE-SU-2026:10686-1

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 6 mo ago (2026-04-30)

Exploit prediction

0.19% chance of exploitation in the next 30 days, higher than 8% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

gitlab.com https://gitlab.com/wireshark/wireshark/-/work_items/21214 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	3.1	5.5	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

Wireshark Foundation Wireshark

Classification

Weakness

CWE-401 Missing Release of Memory after Effective Lifetime

References

gitlab.com /wireshark/wireshark/-/work_items/21214
exploit, vendor-advisory
wireshark.org /security/wnpa-sec-2026-47.html
vendor-advisory

Sources

CVE List CVE-2026-7379
NVD CVE-2026-7379

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary