7.5

CVE-2018-10242: debian debian_linux Out-of-bounds Read

CVSS: 7.5v3.0HighModified
AliasesUBUNTU-CVE-2018-10242DEBIAN-CVE-2018-10242
Published 04-04-2019Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-10242 is a high (CVSS 7.5) Out-of-bounds Read vulnerability in debian debian_linux. EPSS estimates a 1.75% chance of exploitation in the next 30 days, higher than 77.6% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.0 (NVD)
EPSS score
1.75%
0%100%
Low · +0.36 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1
DLA-1751-1

Timeline

  1. 04-04-2019
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

Suricata version 4.0.4 incorrectly handles the parsing of the SSH banner. A malformed SSH banner can cause the parsing code to read beyond the allocated data because SSHParseBanner in app-layer-ssh.c lacks a length check.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.75%

Chance of exploitation in the next 30 days

Percentile

78%

Versus all other CVEs

30-day change

+0.36 pp

From 1.39% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.75%

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
Oisf1 product
Ubuntu1 product
  • suricataAll versions (No fix recorded)

3 vendors · 4 products

References

5 links