5.5

CVE-2026-96420: wireshark foundation wireshark Buffer Over-read

CVSS: 5.5v3.1MediumAnalyzed
AliasesUBUNTU-CVE-2026-96420DEBIAN-CVE-2026-96420
Published 29-09-2026Last modified 29-09-2026
Open JSON

Vulnerability summary

CVE-2026-96420 is a medium (CVSS 5.5) Buffer Over-read vulnerability in wireshark foundation wireshark. EPSS estimates a 0.12% chance of exploitation in the next 30 days, higher than 1.5% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.12%
0%100%
Low · Change unavailable
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2 · Related 1
MGASA-2026-0493OPENSUSE-SU-2026:11912-1

Timeline

  1. 29-09-2026
    PublishedVulnerability first disclosed.
  2. 29-09-2026
    Last modifiedVulnerability information updated.

Description

Toshiba file parser crash in 4.6.0 to 4.6.8 and 4.4.0 to 4.4.18 allows denial of service

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.12%

Chance of exploitation in the next 30 days

Percentile

2%

Versus all other CVEs

30-day change

Change unavailable

Change unavailable

29-09-202619-10-2026
EPSS score
0.12%

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
  • wiresharkAll versions (No fix recorded) | < 4.4.19-0+deb13u1 | < 4.6.9-1
Ubuntu1 product
  • wiresharkAll versions (No fix recorded)
Wireshark1 product
  • wireshark≥ 4.4.0, < 4.4.19 | ≥ 4.6.0, < 4.6.9
Wireshark foundation1 product
  • wireshark≥ 4.6.0, < 4.6.9 | ≥ 4.4.0, < 4.4.19

4 vendors · 4 products

References

7 links