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CVE-2026-95391

Use After Free in Wireshark

5.5 MediumFix available

ZigBee ZCL protocol dissector crash in 4.6.0 to 4.6.8 allows denial of service

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

0.10%Unchanged since Sep 29, 2026
90%50%10%1%

What each source reports

CVE List Score used 5.5

Use After Free in Wireshark

ZigBee ZCL protocol dissector crash in 4.6.0 to 4.6.8 allows denial of service

Record
CVE-2026-95391
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness
CWE-416
Updated
2026-11-02
EUVDEUVD-2026-88685 5.5

ZigBee ZCL protocol dissector crash in 4.6.0 to 4.6.8 allows denial of service

Record
EUVD-2026-88685
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-4w5v-7gfx-jwv5 5.5

ZigBee ZCL protocol dissector crash in 4.6.0 to 4.6.8 allows denial of service

ZigBee ZCL protocol dissector crash in 4.6.0 to 4.6.8 allows denial of service

Record
GHSA-4w5v-7gfx-jwv5
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness
CWE-416
Updated
2026-11-02
NVD 5.5

ZigBee ZCL protocol dissector crash in 4.6.0 to 4.6.8 allows denial of service

Record
CVE-2026-95391
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness
CWE-416
Updated
2026-11-02
OSV 5.5

Use After Free in Wireshark

ZigBee ZCL protocol dissector crash in 4.6.0 to 4.6.8 allows denial of service

Record
CVE-2026-95391
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness
CWE-416
Updated
2026-11-02
OSVDEBIAN-CVE-2026-95391 5.5

ZigBee ZCL protocol dissector crash in 4.6.0 to 4.6.8 allows denial of service

Record
DEBIAN-CVE-2026-95391
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2026-95391 5.5

ZigBee ZCL protocol dissector crash in 4.6.0 to 4.6.8 allows denial of service

Record
UBUNTU-CVE-2026-95391
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVMGASA-2026-0493 No score

Updated wireshark package fixes security vulnerabilities

Loop with Unreachable Exit Condition ('Infinite Loop') in Wireshark. (CVE-2026-95386) Heap-based Buffer Overflow in Wireshark. (CVE-2026-95387) Heap-based Buffer Overflow in Wireshark. (CVE-2026-95388) Heap-based Buffer Overflow in Wireshark. (CVE-2026-95389) NULL Pointer Dereference in Wireshark. (CVE-2026-95390) Use After Free in Wireshark. (CVE-2026-95391) Buffer Over-read in Wireshark. (CVE-2026-95392) Heap-based Buffer Overflow in Wireshark. (CVE-2026-95393) Unchecked Input for Loop Condition in Wireshark. (CVE-2026-95394) Missing Release of Memory after Effective Lifetime in Wireshark. (CVE-2026-95395) The Catapult DCT2000 protocol dissector could crash. (CVE-2026-96415) The IEEE 802.11 protocol dissector could crash. (CVE-2026-96416) The RF4CE protocol dissector could crash. (CVE-2026-96417) The TIFF protocol dissector could go into an infinite loop. (CVE-2026-96418) Importing a crafted configuration profile could crash Wireshark or execute arbitrary code. (CVE-2026-96419) The Toshiba file parser could crash. (CVE-2026-96420) The USB HID protocol dissector could go into an infinite loop and leak memory. (CVE-2026-96421) The Frame protocol metadissector could crash. (CVE-2026-96422) The X11 protocol dissector could crash. (CVE-2026-96423)

Record
MGASA-2026-0493
Updated
2026-11-02
OSVopenSUSE-SU-2026:11912-1 No score

libwireshark19-4.6.9-1.1 on GA media

These are all security issues fixed in the libwireshark19-4.6.9-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2026:11912-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
wireshark
Debian:14
 before 4.6.9-1, plus listed versions
4.4.7-14.4.8-0exp14.4.9-14.6.0-0exp14.6.0-1
Show 11 moreShow less
4.6.0~rc1-0exp14.6.0~rc1-0exp24.6.1-14.6.1-24.6.2-14.6.2-34.6.3-14.6.4-14.6.5-14.6.6-14.6.6-2
4.6.9-1
wireshark
Mageia:10
From an advisory covering 19 CVEs
 before 4.6.9-1.mga10
4.6.9-1.mga10
wireshark
Ubuntu:Pro:14.04:LTS
 All versions, plus listed versions
1.10.2-11.10.3-11.10.5-1ubuntu11.10.5-21.10.6-1
Show 9 moreShow less
1.12.1+g01b65bf-4+deb8u11ubuntu0.14.04.12.6.3-1~ubuntu14.04.12.6.4-2~ubuntu14.04.12.6.5-1~ubuntu14.04.12.6.6-1~ubuntu14.04.02.6.8-1~ubuntu14.04.0~esm12.6.10-1~ubuntu14.04.0~esm12.6.10-1~ubuntu14.04.0~esm22.6.10-1~ubuntu14.04.0~esm3
 None known
wireshark
Ubuntu:Pro:16.04:LTS
 All versions, plus listed versions
1.12.7+g7fc8978-11.12.8+g5b6e543-22.0.1+g59ea380-3build12.0.2+ga16e22e-12.2.6+g32dac6a-2ubuntu0.16.04
Show 8 moreShow less
2.6.3-1~ubuntu16.04.12.6.4-2~ubuntu16.04.02.6.5-1~ubuntu16.04.02.6.6-1~ubuntu16.04.02.6.8-1~ubuntu16.04.02.6.10-1~ubuntu16.04.02.6.10-1~ubuntu16.04.0+esm12.6.10-1~ubuntu16.04.0+esm2
 None known
wireshark
Ubuntu:Pro:18.04:LTS
 All versions, plus listed versions
2.4.2-12.4.3-12.4.4-12.4.5-12.6.3-1~ubuntu18.04.1
Show 7 moreShow less
2.6.4-2~ubuntu18.04.02.6.5-1~ubuntu18.04.02.6.6-1~ubuntu18.04.02.6.8-1~ubuntu18.04.02.6.10-1~ubuntu18.04.02.6.10-1~ubuntu18.04.0+esm12.6.10-1~ubuntu18.04.0+esm2
 None known
wireshark
Ubuntu:Pro:20.04:LTS
 All versions, plus listed versions
3.0.5-13.0.7-13.2.1-13.2.2-13.2.3-13.2.3-1ubuntu0.1~esm13.2.3-1ubuntu0.1~esm2
 None known
wireshark
Ubuntu:Pro:22.04:LTS
 All versions, plus listed versions
3.4.7-1~exp13.4.9-13.6.2-1ubuntu13.6.2-23.6.2-2ubuntu0.1~esm1
 None known
wireshark
Ubuntu:24.04:LTS
 All versions, plus listed versions
4.0.8-14.0.10-14.0.11-14.2.0-14.2.2-14.2.2-1.1build14.2.2-1.1build24.2.2-1.1build3
 None known
wireshark
Ubuntu:26.10
 All versions, plus listed versions
4.6.4-14.6.6-14.6.6-24.6.6-2build1
 None known
wireshark
Ubuntu:26.04:LTS
 All versions, plus listed versions
4.4.7-14.6.0-14.6.1-24.6.2-34.6.3-14.6.4-1
 None known
wireshark
openSUSE:Tumbleweed
From an advisory covering 19 CVEs
 before 4.6.9-1.1
4.6.9-1.1

History

History
RecordedChangedSources
affected, facts
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-95391 is a medium vulnerability (CVSS 5.5) in Wireshark, published September 28, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.10%, the 0th percentile. Fixed in wireshark 4.6.9-1.

References

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