7.5

CVE-2018-11357: debian debian_linux Improper Input Validation

CVSS: 7.5v3.0HighModified
AliasesALPINE-CVE-2018-11357UBUNTU-CVE-2018-11357DEBIAN-CVE-2018-11357
Published 22-05-2018Last modified 05-08-2024

Vulnerability summary

CVE-2018-11357 is a high (CVSS 7.5) Improper Input Validation vulnerability in debian debian_linux. EPSS estimates a 2.84% chance of exploitation in the next 30 days, higher than 86.4% 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
2.84%
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 9 · Related 7

Timeline

  1. 22-05-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

In Wireshark 2.6.0, 2.4.0 to 2.4.6, and 2.2.0 to 2.2.14, the LTP dissector and other dissectors could consume excessive memory. This was addressed in epan/tvbuff.c by rejecting negative lengths.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

2.84%

Chance of exploitation in the next 30 days

Percentile

86%

Versus all other CVEs

30-day change

0.00 pp

From 2.84% on 18-09-2026

18-09-202618-10-2026
EPSS score
2.84%

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
Alpine1 product
  • wireshark≥ 2.2.0, < 2.2.15-r0
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
  • wiresharkEOL≥ 2.2.0, ≤ 2.2.14 | ≥ 2.4.0, ≤ 2.4.6 | 2.6.0

4 vendors · 5 products

References

12 links
Show all 12 references