Vulnerability · Published Jul 8, 2026 · Assigned by GitLab
CVE-2026-15167Stack-based Buffer Overflow in Wireshark
High 7.5
In plain English
A high-severity stack buffer overflow in Wireshark from Wireshark Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 20% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.3%top 80.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
DBS Etherwatch file parser crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.24 | wireshark | 4.6.9-r0 | ALPINE-CVE-2026-15167 |
| Debian:12 | wireshark | no fix listed | DEBIAN-CVE-2026-15167 |
| Debian:13 | wireshark | 4.4.18-0+deb13u1 | DEBIAN-CVE-2026-15167 |
| Debian:14 | wireshark | 4.6.9-1 | DEBIAN-CVE-2026-15167 |
| Ubuntu:24.04:LTS | wireshark | no fix listed | UBUNTU-CVE-2026-15167 |
| Ubuntu:25.10 | wireshark | no fix listed | UBUNTU-CVE-2026-15167 |
| Ubuntu:26.04:LTS | wireshark | no fix listed | UBUNTU-CVE-2026-15167 |
| Ubuntu:26.10 | wireshark | no fix listed | UBUNTU-CVE-2026-15167 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Wireshark Foundation | Wireshark | 4.6.0 – before 4.6.74.4.0 – before 4.4.17 |
Weakness: CWE-121 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H