7.5

CVE-2026-7376: wireshark foundation wireshark NULL Pointer Dereference

CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2026-7376DEBIAN-CVE-2026-7376
Published 30-04-2026Last modified 06-05-2026

Vulnerability summary

CVE-2026-7376 is a high (CVSS 7.5) NULL Pointer Dereference vulnerability in wireshark foundation wireshark. EPSS estimates a 0.28% chance of exploitation in the next 30 days, higher than 19.3% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
40/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
0.28%
0%100%
Low · +0.09 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 6 · Related 5

Timeline

  1. 30-04-2026
    PublishedVulnerability first disclosed.
  2. 06-05-2026
    Last modifiedVulnerability information updated.

Description

Crash in sharkd 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.28%

Chance of exploitation in the next 30 days

Percentile

19%

Versus all other CVEs

30-day change

+0.09 pp

From 0.19% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.28%

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) | < 4.4.15-0+deb13u1 | < 4.6.5-1
Ubuntu1 product
  • wiresharkAll versions (No fix recorded)
Wireshark1 product
  • wireshark≥ 4.4.0, < 4.4.15 | ≥ 4.6.0, < 4.6.5
Wireshark foundation1 product
  • wireshark≥ 4.6.0, < 4.6.5 | ≥ 4.4.0, < 4.4.15

4 vendors · 4 products

References

5 links