7.5

CVE-2018-11356: debian debian_linux NULL Pointer Dereference

CVSS: 7.5v3.0HighModified
AliasesALPINE-CVE-2018-11356UBUNTU-CVE-2018-11356DEBIAN-CVE-2018-11356
Published 22-05-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-11356 is a high (CVSS 7.5) NULL Pointer Dereference 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
DLA-1634-1MGASA-2018-0266OPENSUSE-SU-2020:0362-1OPENSUSE-SU-2024:11513-1SUSE-SU-2018:1988-1SUSE-SU-2018:2412-1

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 DNS dissector could crash. This was addressed in epan/dissectors/packet-dns.c by avoiding a NULL pointer dereference for an empty name in an SRV record.

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 19-09-2026

19-09-202619-10-2026
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