epan/dissectors/packet-websocket.c in the WebSocket dissector in Wireshark 1.12.x before…
Priority MEDIUM 40CWE-399Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Complete
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-399 and the CVSS impact.
Summary
epan/dissectors/packet-websocket.c in the WebSocket dissector in Wireshark 1.12.x before 1.12.5 uses a recursive algorithm, which allows remote attackers to cause a denial of service (CPU consumption) via a crafted packet.
Why it matters now
EPSS 0.03485 89th percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory
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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:wireshark:wireshark:1.12.0:*:*:*:*:*:*:* | 1.12.0 | Vulnerable | Wireshark Foundation |
| cpe:2.3:a:wireshark:wireshark:1.12.1:*:*:*:*:*:*:* | 1.12.1 | Vulnerable | Wireshark Foundation |
| cpe:2.3:a:wireshark:wireshark:1.12.2:*:*:*:*:*:*:* | 1.12.2 | Vulnerable | Wireshark Foundation |
| cpe:2.3:a:wireshark:wireshark:1.12.3:*:*:*:*:*:*:* | 1.12.3 | Vulnerable | Wireshark Foundation |
| cpe:2.3:a:wireshark:wireshark:1.12.4:*:*:*:*:*:*:* | 1.12.4 | Vulnerable | Wireshark Foundation |
- cpe:2.3:a:wireshark:wireshark:1.12.0:*:*:*:*:*:*:* Versions 1.12.0 Vulnerable ·Wireshark Foundation
- cpe:2.3:a:wireshark:wireshark:1.12.1:*:*:*:*:*:*:* Versions 1.12.1 Vulnerable ·Wireshark Foundation
- cpe:2.3:a:wireshark:wireshark:1.12.2:*:*:*:*:*:*:* Versions 1.12.2 Vulnerable ·Wireshark Foundation
- cpe:2.3:a:wireshark:wireshark:1.12.3:*:*:*:*:*:*:* Versions 1.12.3 Vulnerable ·Wireshark Foundation
- cpe:2.3:a:wireshark:wireshark:1.12.4:*:*:*:*:*:*:* Versions 1.12.4 Vulnerable ·Wireshark Foundation
Remediation
Red Hat 1 advisory
- RHSA-2015:2393 Released 2015-11-19 · Red Hat rating Moderatewireshark security, bug fix, and enhancement update
- Red Hat Enterprise Linux Client (v. 7) wireshark-1.10.14-7.el7, wireshark-gnome-1.10.14-7.el7
- Red Hat Enterprise Linux Client Optional (v. 7) wireshark-devel-1.10.14-7.el7
- Red Hat Enterprise Linux Server (v. 7) wireshark-1.10.14-7.el7, wireshark-1.10.14-7.el7.ppc, wireshark-gnome-1.10.14-7.el7
- Red Hat Enterprise Linux Server Optional (v. 7) wireshark-devel-1.10.14-7.el7, wireshark-devel-1.10.14-7.el7.ppc
- Red Hat Enterprise Linux Workstation (v. 7) wireshark-1.10.14-7.el7, wireshark-gnome-1.10.14-7.el7
- Red Hat Enterprise Linux Workstation Optional (v. 7) wireshark-devel-1.10.14-7.el7
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux Client (v. 7) | Fixed | RHSA-2015:2393 |
| Red Hat Enterprise Linux Client Optional (v. 7) | Fixed | RHSA-2015:2393 |
| Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2015:2393 |
| Red Hat Enterprise Linux Server Optional (v. 7) | Fixed | RHSA-2015:2393 |
| Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2015:2393 |
| Red Hat Enterprise Linux Workstation Optional (v. 7) | Fixed | RHSA-2015:2393 |
Not affected: 2 products
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
Timeline
- 2026-10-02 Threatist record created from CVE-2015-3810
- 2026-10-03 Alias added: GHSA-6xc2-5j24-689q
References
More Wireshark Foundation Wireshark vulnerabilities
- 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
Sources
- CVE-2015-3810 · CVE Program
- CVE-2015-3810 · NVD
- FIRST EPSS
- GHSA-6xc2-5j24-689q · GitHub Advisory Database · CC BY 4.0
- CVE-2015-3810 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences