7.5

CVE-2018-11358: debian debian_linux Use After Free

CVSS: 7.5v3.0HighModified
AliasesALPINE-CVE-2018-11358UBUNTU-CVE-2018-11358DEBIAN-CVE-2018-11358
Published 22-05-2018Last modified 05-08-2024

Vulnerability summary

CVE-2018-11358 is a high (CVSS 7.5) Use After Free vulnerability in debian debian_linux. EPSS estimates a 2.83% 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
2.83%
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 10 · 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 Q.931 dissector could crash. This was addressed in epan/dissectors/packet-q931.c by avoiding a use-after-free after a malformed packet prevented certain cleanup.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

2.83%

Chance of exploitation in the next 30 days

Percentile

86%

Versus all other CVEs

30-day change

0.00 pp

From 2.83% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.83%

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

13 links
Show all 13 references