TI-2022-00503 Aliases CVE-2022-0586 GHSA-m236-5q24-77fq

Infinite loop in Wireshark

LOW 37CWE-835Published 2022-02-14 · Updated 2025-11-03

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · High
Fix status: Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-835.

Summary

Infinite loop in RTMPT protocol dissector in Wireshark 3.6.0 to 3.6.1 and 3.4.0 to 3.4.11 allows denial of service via packet injection or crafted capture file

Why it matters now

EPSS 0.02003 80th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix Fixed Wireshark (Wireshark Foundation): 3.6.2, 3.4.12

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Wireshark Foundation	Wireshark	3.6.0 to before 3.6.2; 3.4.0 to before 3.4.12	3.6.2, 3.4.12	Patch available	CNA

Wireshark VendorWireshark Foundation Affected 3.6.0 to before 3.6.2; 3.4.0 to before 3.4.12 Fixed in 3.6.2, 3.4.12 Patch available CNA

CPE configurations NVD · 4

CPE	Versions	Role	Vendor
cpe:2.3:a:wireshark:wireshark::::::::	3.4.0 to before 3.4.12; 3.6.0 to before 3.6.2	Vulnerable	Wireshark Foundation
cpe:2.3:o:fedoraproject:fedora:34:::::::*	34	Vulnerable	Fedoraproject
cpe:2.3:o:fedoraproject:fedora:35:::::::*	35	Vulnerable	Fedoraproject
cpe:2.3:o:debian:debian_linux:9.0:::::::*	9.0	Vulnerable	Debian

cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:* Versions 3.4.0 to before 3.4.12; 3.6.0 to before 3.6.2 Vulnerable ·Wireshark Foundation
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* Versions 34 Vulnerable ·Fedoraproject
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* Versions 35 Vulnerable ·Fedoraproject
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian

Remediation

Fix · CNA Wireshark (Wireshark Foundation) Fixed in 3.6.2, 3.4.12

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

Advisory · 2022-02-14
Wireshark — FEDORA-2022-5a3603afe0
5 records Highest priority Priority MEDIUM 1 MEDIUM, 4 LOW
Other records, highest priority first
- TI-2022-00500 NULL pointer dereference in WiresharkPriority MEDIUM 46
- TI-2022-00501 Out-of-bounds write in WiresharkPriority LOW 36
- TI-2022-00499 Use after free in WiresharkPriority LOW 36
Show all 5 records → Advisory →
Advisory · 2022-02-14
Wireshark — FEDORA-2022-e29665a42b
5 records Highest priority Priority MEDIUM 1 MEDIUM, 4 LOW
Other records, highest priority first
- TI-2022-00500 NULL pointer dereference in WiresharkPriority MEDIUM 46
- TI-2022-00501 Out-of-bounds write in WiresharkPriority LOW 36
- TI-2022-00499 Use after free in WiresharkPriority LOW 36
Show all 5 records → Advisory →

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

Not affected: 4 products

Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 8
Red Hat Enterprise Linux 9

Timeline

2026-10-02 Threatist record created from CVE-2022-0586
2026-10-03 Alias added: GHSA-m236-5q24-77fq

References

Exploit 1

https://gitlab.com/wireshark/wireshark/-/issues/17813

Advisory 6

TI-2026-53718 Heap-based Buffer Overflow in Wireshark CVSS 3.1CRITICAL 9.8
TI-2026-63612 Heap-based Buffer Overflow in Wireshark CVSS 3.1HIGH 8.8
TI-2024-16149 A buffer overflow in Wireshark before 4.2.0 allows a remote attacker to cause a denial of… CVSS 3.1HIGH 7.5
TI-2010-00291 Multiple buffer overflows in the LWRES dissector in Wireshark 0.9.15 through 1.0.10 and… CVSS 2.0HIGH 7.5
TI-2026-63614 Heap-based Buffer Overflow in Wireshark CVSS 3.1HIGH 8.1
TI-2014-01823 Buffer overflow in the mpeg_read function in wiretap/mpeg.c in the MPEG parser in… CVSS 2.0HIGH 9.3

See all 794 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences