CVE-2018-18226

high
Published — · Modified —
CVSS v3
CVSS v2
VIR risk
8.0

Description

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.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2018-18226

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2018-18226.html

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201810-9

OS impact

OSVersionStatusFixed in
arch archfixed2.6.4-1
suse slesaffected
debian debianbookwormfixed2.6.4-1
debian debianbullseyefixed2.6.4-1
debian debianforkyfixed2.6.4-1
debian debiansidfixed2.6.4-1
debian debiantrixiefixed2.6.4-1

References

Verify integrity in audit chain (admin only). AS-IS.