CVE-2026-15174
published 2026-07-08CVE-2026-15174: Catapult DCT2000 protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service
PriorityP418medium5.5CVSS 3.1
AVLACLPRNUIRSUCNINAH
EPSS
0.09%
0.6th percentile
Catapult DCT2000 protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service
Affected
6 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| gitlab | wireshark | — | — |
| wireshark | wireshark | — | — |
| wireshark | wireshark | >= 4.4.0 < 4.4.17 | 4.4.17 |
| wireshark | wireshark | >= 4.6.0 < 4.6.7 | 4.6.7 |
| wireshark_foundation | wireshark | >= 4.4.0 < 4.4.17 | 4.4.17 |
| wireshark_foundation | wireshark | >= 4.6.0 < 4.6.7 | 4.6.7 |
CVSS provenance
nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
vendor_redhat5.5MEDIUM
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Red Hat
wireshark: Wireshark: Denial of Service via Catapult DCT2000 protocol dissector crash
vendor_redhat·2026-07-08·CVSS 5.5
CVE-2026-15174 [MEDIUM] CWE-476 wireshark: Wireshark: Denial of Service via Catapult DCT2000 protocol dissector crash
wireshark: Wireshark: Denial of Service via Catapult DCT2000 protocol dissector crash
Catapult DCT2000 protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service
A flaw was found in Wireshark. A local attacker could exploit a crash in the Catapult DCT2000 protocol dissector. This vulnerability, requiring user interaction, leads to a denial of service, making the system unavailable.
Statement: Moderate: A denial of service vulnerability exists in Wireshark due to a crash in the Catapult DCT2000 protocol dissector. This flaw requires local user interaction, as an attacker must provide a specially crafted capture file for a user to open. The impact is limited to the availability of the Wireshark application, making the system unavailable only in the c
GitLab
Heap-based Buffer Overflow in Wireshark
vendor_gitlab·2026-07-08·CVSS 5.5
CVE-2026-15174 [MEDIUM] CWE-122 Heap-based Buffer Overflow in Wireshark
Heap-based Buffer Overflow in Wireshark
Catapult DCT2000 protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service
Affected products: Wireshark
Affected versions: >=4.6.0, =4.4.0, <4.4.17 (affected)
Solution: Upgrade to version 4.6.7 or above
Credit: Michael Bommarito
VulDB
Wireshark up to 4.4.16/4.6.6 Catapult DCT2000 Protocol Dissector denial of service
vuldb·2026-07-09·CVSS 5.5
CVE-2026-15174 [MEDIUM] Wireshark up to 4.4.16/4.6.6 Catapult DCT2000 Protocol Dissector denial of service
A vulnerability classified as problematic was found in Wireshark up to 4.4.16/4.6.6. This impacts an unknown function of the component Catapult DCT2000 Protocol Dissector. The manipulation results in denial of service.
This vulnerability is cataloged as CVE-2026-15174. The attack may be launched remotely. There is no exploit available.
GHSA
Catapult DCT2000 protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service
ghsa_unreviewed·2026-07-08
CVE-2026-15174 [MEDIUM] CWE-122 Catapult DCT2000 protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service
Catapult DCT2000 protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2026-15174 wireshark: Wireshark: Denial of Service via Catapult DCT2000 protocol dissector crash [fedora-all]
bugzilla·2026-07-09·CVSS 5.5
CVE-2026-15174 [MEDIUM] CVE-2026-15174 wireshark: Wireshark: Denial of Service via Catapult DCT2000 protocol dissector crash [fedora-all]
CVE-2026-15174 wireshark: Wireshark: Denial of Service via Catapult DCT2000 protocol dissector crash [fedora-all]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
Catapult DCT2000 protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service
Bugzilla
CVE-2026-15174 wireshark: Wireshark: Denial of Service via Catapult DCT2000 protocol dissector crash
bugzilla·2026-07-08·CVSS 5.5
CVE-2026-15174 [MEDIUM] CVE-2026-15174 wireshark: Wireshark: Denial of Service via Catapult DCT2000 protocol dissector crash
CVE-2026-15174 wireshark: Wireshark: Denial of Service via Catapult DCT2000 protocol dissector crash
Catapult DCT2000 protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service
2026-07-08
Published