CVE-2021-39926 — Classic Buffer Overflow in Wireshark

CWE-120 — Classic Buffer Overflow7 documents7 sources
Severity
7.5HIGHNVD
EPSS
0.9%
top 23.68%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
WiresharkWireshark Foundation WiresharkDebian Linux+1 more
Timeline
PublishedNov 19
Latest updateNov 20

Description

Buffer overflow in the Bluetooth HCI_ISO dissector in Wireshark 3.4.0 to 3.4.9 allows denial of service via packet injection or crafted capture file

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages3 packages

▶Debianwireshark/wireshark< 3.4.10-0+deb11u1+3
▶NVDwireshark/wireshark3.4.0 — 3.4.9
▶CVEListV5wireshark_foundation/wireshark>=3.4.0, <3.4.10

Also affects: Debian Linux 10.0, 11.0, Fedora 34, 35

Patches

Patch: gitlab.com ↗Patch: gitlab.com ↗

🔴Vulnerability Details

3
GHSA
GHSA-g42c-hpcx-483f: Buffer overflow in the Bluetooth HCI_ISO dissector in Wireshark 3↗2021-11-20
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CVEList
CVE-2021-39926: Buffer overflow in the Bluetooth HCI_ISO dissector in Wireshark 3↗2021-11-19
▶
OSV
CVE-2021-39926: Buffer overflow in the Bluetooth HCI_ISO dissector in Wireshark 3↗2021-11-19
▶

📋Vendor Advisories

3
Red Hat
wireshark: bluetooth HCI_ISO dissector crash↗2021-11-17
▶
Microsoft
Buffer overflow in the Bluetooth HCI_ISO dissector in Wireshark 3.4.0 to 3.4.9 allows denial of service via packet injection or crafted capture file↗2021-11-09
▶
Debian
CVE-2021-39926: wireshark - Buffer overflow in the Bluetooth HCI_ISO dissector in Wireshark 3.4.0 to 3.4.9 a...↗2021
▶
CVE-2021-39926 — Classic Buffer Overflow in Wireshark | cvebase