7.5

CVE-2017-13764: wireshark NULL Pointer Dereference

CVSS: 7.5v3.0HighModified
AliasesUBUNTU-CVE-2017-13764DEBIAN-CVE-2017-13764
Published 30-08-2017Last modified 05-08-2024

Vulnerability summary

CVE-2017-13764 is a high (CVSS 7.5) NULL Pointer Dereference vulnerability in wireshark. EPSS estimates a 1.24% chance of exploitation in the next 30 days, higher than 68.7% 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
1.24%
0%100%
Low · -0.01 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 · Related 1

Timeline

  1. 30-08-2017
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

In Wireshark 2.4.0, the Modbus dissector could crash with a NULL pointer dereference. This was addressed in epan/dissectors/packet-mbtcp.c by adding length validation.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.24%

Chance of exploitation in the next 30 days

Percentile

69%

Versus all other CVEs

30-day change

-0.01 pp

From 1.25% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.24%

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

Debian1 product
  • wireshark< 2.4.1-1
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

3 vendors · 3 products

References

9 links