SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2017-9353

In Wireshark 2.2.0 to 2.2.6, the IPv6 dissector could crash.

EXPLOIT ✓HIGH 7.5EPSS 14.0%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 14.0%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.

Description

In Wireshark 2.2.0 to 2.2.6, the IPv6 dissector could crash. This was addressed in epan/dissectors/packet-ipv6.c by validating an IPv6 address.

CVSS 3.0
7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
14.01% probability · 97th percentile
Public exploits
1 in Exploit-DB · verified · first 5 June 2017
CISA KEV
Not listed
Weakness
CWE-20
Affected
wireshark/wireshark
Source
cve@mitre.org
EPSS trend
0%8%15%21 September 2026: 11.50%22 September 2026: 14.01%27 October 2026: 14.01%21 September 202627 October 2026

EPSS moved from 11.5% on 21 September 2026 to 14.0% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-42123source ↗Wireshark 2.2.6 - IPv6 Dissector Denial of Servicemultiple · OSS-Fuzzdos5 June 2017yes

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.