Vulnerability in Wireshark
CVE-2018-18226
In Wireshark 2.6.0 to 2.6.3, the Steam IHS Discovery dissector could consume system memory. This was addressed in epan/dissectors/packet-steam-ihs-discovery.c by changing the memory-management approach.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.032 (87.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 87.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.032 · newest: 0.032 · change: 0.000
Affected products
- Wireshark
- Debian Linux — versions 9.0
Weakness classification (CWE)
References
- www.securitytracker.com/id/1041909 (VDB Entry, Third Party Advisory, vdb-entry)
- bugs.wireshark.org/bugzilla/show_bug.cgi (Patch, Issue Tracking, Vendor Advisory)
- www.securityfocus.com/bid/105583 (VDB Entry, Third Party Advisory, vdb-entry)
- code.wireshark.org/review/gitweb
- www.debian.org/security/2018/dsa-4359 (vendor-advisory, Third Party Advisory)
- www.wireshark.org/security/wnpa-sec-2018-48.html (Vendor Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html (vendor-advisory)
Frequently asked questions
- What is CVE-2018-18226?
- CVE-2018-18226 is a high-severity vulnerability in Wireshark, classified under Missing Release of Resource after Effective Lifetime. CVSS score: 7.5/10. Published 2018-10-12.
- How severe is CVE-2018-18226?
- High severity. CVSS v3 base score is 7.5 out of 10.