7.8

CVE-2018-18226: debian debian_linux

CVSS: 7.8v2.0HighModified
AliasesUBUNTU-CVE-2018-18226DEBIAN-CVE-2018-18226
Published 12-10-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-18226 is a high (CVSS 7.8) vulnerability in debian debian_linux. EPSS estimates a 3.17% chance of exploitation in the next 30 days, higher than 87.8% of scored vulnerabilities.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v2.0 (NVD)
EPSS score
3.17%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 4 · Related 3
DSA-4359-1OPENSUSE-SU-2020:0362-1OPENSUSE-SU-2024:11513-1SUSE-SU-2020:0693-1

Timeline

  1. 12-10-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

3.17%

Chance of exploitation in the next 30 days

Percentile

88%

Versus all other CVEs

30-day change

0.00 pp

From 3.17% on 18-09-2026

18-09-202618-10-2026
EPSS score
3.17%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian2 products
Ubuntu1 product
  • wireshark< 2.6.4-2~ubuntu14.04.1 | < 2.6.4-2~ubuntu16.04.0 | < 2.6.4-2~ubuntu18.04.0
Wireshark1 product

3 vendors · 4 products

References

11 links
Show all 11 references