CVE-2026-15174
CVE-2026-15174: 2 tracked advisory records across GitLab, Red Hat. Compare vendor sources and published fix guidance.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Vendor advisory comparison
GitLab
1 advisory- Advisory severityMedium5.5
Medium [CVE-2026-15174] GitLab: 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
CVE-2026-15174Source published Source updated
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 product named by the advisory: GitLab.
- Related products — impact not confirmed
- GitLab
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- No fixed-version detail extracted. This does not mean no fix exists.
- Mitigation guidance
- No mitigation guidance extracted; consult the source.
Red Hat
1 advisory- Advisory severityMedium5.5
Medium [CVE-2026-15174] Denial of Service via Catapult DCT2000 protocol dissector crash
CVE-2026-15174Source published Source updated
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. 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 context of network traffic analysis. Red Hat severity: Moderate — CVSS 5.5 (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H). Weakness: CWE-476. Affected Red Hat products: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux…
- Affected products in this advisory
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
2 more entries in the full advisory.
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- No fixed-version detail extracted. This does not mean no fix exists.
- Mitigation guidance
- To reduce the risk, avoid opening untrusted network capture files that may contain malicious Catapult DCT2000 protocol data. Ensure that Wireshark is used only with data from trusted sources to prevent potential application crashes.
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