CVE-2021-39929
Gentoo Linux Security Advisory 202210-04
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
1Exploited in Wild
-Decision
Descriptions
Uncontrolled Recursion in the Bluetooth DHT dissector in Wireshark 3.4.0 to 3.4.9 and 3.2.0 to 3.2.17 allows denial of service via packet injection or crafted capture file
Una recursión no controlada en el disector DHT de Bluetooth en Wireshark versiones 3.4.0 a 3.4.9 y 3.2.0 a 3.2.17, permite una denegación de servicio por medio de una inyección de paquetes o un archivo de captura diseñado
It was discovered that Wireshark did not correctly handle recursion. If a user or system were tricked into opening a specially crafted file, an attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. Roman Donchenko discovered that Wireshark did not correctly handle parsing certain files. If a user or system were tricked into opening a specially crafted file, an attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 20.04 LTS.
CVSS Scores
SSVC
- Decision:-
Timeline
- 2021-08-23 CVE Reserved
- 2021-11-18 CVE Published
- 2024-08-04 CVE Updated
- 2024-08-04 First Exploit
- 2025-06-13 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-674: Uncontrolled Recursion
CAPEC
References (8)
| URL | Tag | Source |
|---|---|---|
| https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39929.json | Third Party Advisory | |
| https://lists.debian.org/debian-lts-announce/2021/12/msg00015.html | Mailing List |
|
| URL | Date | SRC |
|---|---|---|
| https://gitlab.com/wireshark/wireshark/-/issues/17651 | 2024-08-04 |
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Wireshark Search vendor "Wireshark" | Wireshark Search vendor "Wireshark" for product "Wireshark" | >= 3.2.0 <= 3.2.17 Search vendor "Wireshark" for product "Wireshark" and version " >= 3.2.0 <= 3.2.17" | - |
Affected
| ||||||
| Wireshark Search vendor "Wireshark" | Wireshark Search vendor "Wireshark" for product "Wireshark" | >= 3.4.0 <= 3.4.9 Search vendor "Wireshark" for product "Wireshark" and version " >= 3.4.0 <= 3.4.9" | - |
Affected
| ||||||
| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 34 Search vendor "Fedoraproject" for product "Fedora" and version "34" | - |
Affected
| ||||||
| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 35 Search vendor "Fedoraproject" for product "Fedora" and version "35" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 10.0 Search vendor "Debian" for product "Debian Linux" and version "10.0" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 11.0 Search vendor "Debian" for product "Debian Linux" and version "11.0" | - |
Affected
| ||||||