8.8
CVE-2026-5402
- EPSS 0.39%
- Veröffentlicht 30.04.2026 05:39:14
- Zuletzt bearbeitet 30.06.2026 03:21:07
- Quelle cve@gitlab.com
- CVE-Watchlists
- Unerledigt
LoginHeap-based Buffer Overflow in Wireshark
TLS protocol dissector heap overflow in Wireshark 4.6.0 to 4.6.4 allows denial of service and possible code execution
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.39% | 0.308 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| cve@gitlab.com | 8.8 | 2.8 | 5.9 |
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
|
| 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | 8.8 | 2.8 | 5.9 |
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/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().
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https://www.wireshark.org/security/wnpa-sec-2026-14.html
https://gitlab.com/wireshark/wireshark/-/issues/21090
https://access.redhat.com/security/cve/CVE-2026-5402
https://bugzilla.redhat.com/show_bug.cgi?id=2464038
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-5402.json