7.5

CVE-2018-7420: debian debian_linux

CVSS: 7.5v3.0HighModified
AliasesUBUNTU-CVE-2018-7420DEBIAN-CVE-2018-7420
Published 23-02-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-7420 is a high (CVSS 7.5) vulnerability in debian debian_linux. EPSS estimates a 2.74% chance of exploitation in the next 30 days, higher than 85.9% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.0 (NVD)
EPSS score
2.74%
0%100%
Low · +0.05 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 6 · Related 3
DLA-1353-1DLA-1634-1MGASA-2018-0151OPENSUSE-SU-2024:11513-1SUSE-SU-2018:0811-1SUSE-SU-2018:0867-1

Timeline

  1. 23-02-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

In Wireshark 2.2.0 to 2.2.12 and 2.4.0 to 2.4.4, the pcapng file parser could crash. This was addressed in wiretap/pcapng.c by adding a block-size check for sysdig event blocks.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

2.74%

Chance of exploitation in the next 30 days

Percentile

86%

Versus all other CVEs

30-day change

+0.05 pp

From 2.69% on 18-09-2026

18-09-202618-10-2026
EPSS score
2.74%

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

No weakness data has been published for this record.

Affected systems

Debian2 products
Ubuntu1 product
  • wireshark< 2.6.3-1~ubuntu14.04.1 | < 2.6.3-1~ubuntu16.04.1 | < 2.6.3-1~ubuntu18.04.1
Wireshark1 product
  • wireshark≥ 2.2.0, ≤ 2.2.12 | ≥ 2.4.0, ≤ 2.4.4

3 vendors · 4 products

References

10 links