← Vulnerability feed

Vulnerability record · CVE-2026-5653 · published 30 April 2026

CVE-2026-5653: Wireshark heap-based buffer overflow vulnerability

Wireshark · Wireshark

DCP-ETSI protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

7.5 CVSS 3.1 High EPSS 0.35% · top 74.6% CWE-122 · Heap-based buffer overflow
7.5CVSS 3.1 base score
0.35%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

DCP-ETSI protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://gitlab.com/wireshark/wireshark/-/issues/21122 ExploitIssue TrackingThird Party Advisory
https://www.wireshark.org/security/wnpa-sec-2026-22.html Vendor Advisory
https://gitlab.com/wireshark/wireshark/-/work_items/21122 ExploitIssue TrackingThird Party Advisory

Track CVE-2026-5653 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2011-0444Wireshark memory buffer overflow vulnerabilityBuffer overflow in the MAC-LTE dissector (epan/dissectors/packet-mac-lte.c) in Wireshark 1.2.0 through 1.2.13 and 1.4.0 through 1.4.2 allows remote a…EPSS 7.2%10.0CVE-2010-2994Wireshark memory buffer overflow vulnerabilityStack-based buffer overflow in the ASN.1 BER dissector in Wireshark 0.10.13 through 1.0.14 and 1.2.0 through 1.2.9 has unknown impact and remote atta…EPSS 2.4%10.0CVE-2010-2995Wireshark vulnerabilityThe SigComp Universal Decompressor Virtual Machine (UDVM) in Wireshark 0.10.8 through 1.0.14 and 1.2.0 through 1.2.9 allows remote attackers to cause…EPSS 6.7%10.0CVE-2009-1266Wireshark vulnerabilityUnspecified vulnerability in Wireshark before 1.0.7 has unknown impact and attack vectors.EPSS 1.6%10.0CVE-2009-1210Wireshark vulnerabilityFormat string vulnerability in the PROFINET/DCP (PN-DCP) dissector in Wireshark 1.0.6 and earlier allows remote attackers to execute arbitrary code v…EPSS 15%10.0CVE-2008-3146Wireshark memory buffer overflow vulnerabilityMultiple buffer overflows in packet_ncp2222.inc in Wireshark (formerly Ethereal) 0.9.7 through 1.0.2 allow attackers to cause a denial of service (ap…EPSS 4.0%10.0CVE-2007-6112Wireshark memory buffer overflow vulnerabilityBuffer overflow in the PPP dissector Wireshark (formerly Ethereal) 0.99.6 allows remote attackers to cause a denial of service (crash) and possibly e…EPSS 6.2%10.0CVE-2007-6114Wireshark memory buffer overflow vulnerabilityMultiple buffer overflows in Wireshark (formerly Ethereal) 0.99.0 through 0.99.6 allow remote attackers to cause a denial of service (crash) and poss…EPSS 6.2%

Source: NIST National Vulnerability Database (record CVE-2026-5653), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.