5.5

CVE-2026-15165

Exploit

Heap-based Buffer Overflow in Wireshark

TLS ECH decryptor crash in Wireshark 4.6.0 to 4.6.6 allows denial of service
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Wireshark ≫ Wireshark Version >= 4.6.0 < 4.6.7
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.23% 0.138
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
cve@gitlab.com 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CWE-122 Heap-based Buffer Overflow

A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

https://www.wireshark.org/security/wnpa-sec-2026-56.html
Vendor Advisory
https://gitlab.com/wireshark/wireshark/-/work_items/21390
Third Party Advisory
Exploit
Issue Tracking