CVE-2026-6530
published 2026-04-30CVE-2026-6530: 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
PriorityP418medium5.5CVSS 3.1
AVLACLPRNUIRSUCNINAH
EPSS
0.16%
5.6th percentile
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
Affected
6 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| gitlab | wireshark | — | — |
| wireshark | wireshark | — | — |
| wireshark | wireshark | 4.4.0 – 4.4.14 | — |
| wireshark | wireshark | 4.6.0 – 4.6.4 | — |
| wireshark_foundation | wireshark | >= 4.4.0 < 4.4.15 | 4.4.15 |
| wireshark_foundation | wireshark | >= 4.6.0 < 4.6.5 | 4.6.5 |
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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VulDB
Wireshark up to 4.4.14/4.6.4 DCP-ETSI Protocol Dissector heap-based overflow (WID-SEC-2026-1311)
vuldb·2026-05-01·CVSS 5.5
CVE-2026-6530 [MEDIUM] Wireshark up to 4.4.14/4.6.4 DCP-ETSI Protocol Dissector heap-based overflow (WID-SEC-2026-1311)
A vulnerability classified as critical has been found in Wireshark up to 4.4.14/4.6.4. This vulnerability affects unknown code of the component DCP-ETSI Protocol Dissector. The manipulation leads to heap-based buffer overflow.
This vulnerability is referenced as CVE-2026-6530. Remote exploitation of the attack is possible. No exploit is available.
It is recommended to upgrade the affected component.
GHSA
GHSA-2jh8-vr4w-2chr: DCP-ETSI protocol dissector crash in Wireshark 4
ghsa_unreviewed·2026-04-30
CVE-2026-6530 [MEDIUM] CWE-122 GHSA-2jh8-vr4w-2chr: DCP-ETSI protocol dissector crash in Wireshark 4
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
GitLab
Heap-based Buffer Overflow in Wireshark
vendor_gitlab·2026-04-30·CVSS 5.5
CVE-2026-6530 [MEDIUM] CWE-122 Heap-based Buffer Overflow in Wireshark
Heap-based Buffer Overflow in 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
Affected products: Wireshark
Affected versions: >=4.6.0, =4.4.0, <4.4.15 (affected)
Solution: Upgrade to version 4.6.5 or above
Credit: Alexandre de Oliveira
Red Hat
wireshark: Wireshark: Denial of Service via DCP-ETSI protocol dissector crash
vendor_redhat·2026-04-30·CVSS 5.5
CVE-2026-6530 [MEDIUM] CWE-476 wireshark: Wireshark: Denial of Service via DCP-ETSI protocol dissector crash
wireshark: Wireshark: Denial of Service via DCP-ETSI protocol dissector crash
A flaw was found in Wireshark. A remote attacker could exploit a crash in the DCP-ETSI protocol dissector by crafting a malicious network packet. This vulnerability allows for a denial of service (DoS), making the Wireshark application unavailable.
Mitigation: To mitigate this issue, users should avoid opening untrusted network capture files or analyzing network traffic from untrusted sources with Wireshark. Limiting the use of Wireshark to trusted environments and data can reduce the risk of exploitation.
Package: wireshark (Red Hat Enterprise Linux 10) - Fix deferred
Package: wireshark (Red Hat Enterprise Linux 6) - Fix deferred
Package: wireshark (Red Hat Enterprise Linux 7) - Fix deferred
Package: wires
No detection rules found.
No public exploits indexed.
2026-04-30
Published