Missing Initialization of a Variable in Wireshark
Priority HIGH 69CWE-456Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
ITS dissector crash in Wireshark 4.4.0 allows denial of service via packet injection or crafted capture file
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00244 15th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Wireshark (Wireshark Foundation): 4.4.1
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Wireshark Foundation | Wireshark | 4.4.0 to before 4.4.1 | 4.4.1 | Patch available | CNA |
- Wireshark VendorWireshark Foundation Affected 4.4.0 to before 4.4.1 Fixed in 4.4.1 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:wireshark:wireshark:4.4.0:*:*:*:*:*:*:* | 4.4.0 | Vulnerable | Wireshark Foundation |
- cpe:2.3:a:wireshark:wireshark:4.4.0:*:*:*:*:*:*:* Versions 4.4.0 Vulnerable ·Wireshark Foundation
Remediation
- Fix · CNA Wireshark (Wireshark Foundation) Fixed in 4.4.1
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2024-9780
- 2026-10-03 Alias added: GHSA-4rf2-7phj-4vwq
References
Exploit 1
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-2024-9780 · CVE Program
- CVE-2024-9780 · NVD
- FIRST EPSS
- GHSA-4rf2-7phj-4vwq · GitHub Advisory Database · CC BY 4.0
- CVE-2024-9780 · 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