8.8

CVE-2026-95387: wireshark foundation wireshark Heap-based Buffer Overflow

CVSS: 8.8v3.1HighAnalyzed
AliasesUBUNTU-CVE-2026-95387DEBIAN-CVE-2026-95387
Published 29-09-2026Last modified 29-09-2026
Open JSON

Vulnerability summary

CVE-2026-95387 is a high (CVSS 8.8) Heap-based Buffer Overflow vulnerability in wireshark foundation wireshark. EPSS estimates a 0.26% chance of exploitation in the next 30 days, higher than 17.1% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
45/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (NVD)
EPSS score
0.26%
0%100%
Low · Change unavailable
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 4 · Related 1
MGASA-2026-0493OPENSUSE-SU-2026:11912-1RHSA-2026:83546RHSA-2026:84721

Timeline

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

Description

SPDY protocol dissector 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

0.26%

Chance of exploitation in the next 30 days

Percentile

17%

Versus all other CVEs

30-day change

Change unavailable

Change unavailable

29-09-202619-10-2026
EPSS score
0.26%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (gitlab.com)

    Maturity: unknown

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