PT-2026-36056 · Wireshark · Wireshark

Alexandre De Oliveira · Published 2026-03-22 · Updated 2026-05-09 · CVE-2026-5657

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions Wireshark versions 4.6.0 through 4.6.4 Wireshark versions 4.4.0 through 4.4.14

Description A crash in the iLBC codec allows for a denial of service.

Recommendations Update Wireshark versions 4.6.0 through 4.6.4 to a version newer than 4.6.4. Update Wireshark versions 4.4.0 through 4.4.14 to a version newer than 4.4.14.

Exploit

Fix

DoS

Double Free

Weakness Enumeration

CWE-415

Related Identifiers

BDU:2026-06980

CVE-2026-5657

OESA-2026-2225

OESA-2026-2226

OESA-2026-2227

OESA-2026-2228

OPENSUSE-SU-2026:10686-1

Affected Products

Wireshark

References · 102

• 🔥 https://gitlab.com/wireshark/wireshark/-/issues/21113 · Exploit
• 🔥 https://gitlab.com/wireshark/wireshark/-/work_items/21113 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-6519 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-5409 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-6532 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2026-5657 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-5408 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-5654 · Security Note
• https://cve.org/CVERecord?id=CVE-2026-5657 · Security Note
• https://wireshark.org/security/wnpa-sec-2026-20.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-6538 · Security Note
• https://osv.dev/vulnerability/OESA-2026-2228 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2026-2225 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-5407 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-6521 · Security Note