| Name | CVE-2021-39920 |
| Description | NULL pointer exception in the IPPUSB dissector in Wireshark 3.4.0 to 3.4.9 allows denial of service via packet injection or crafted capture file |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-5019-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| wireshark (PTS) | bullseye | 3.4.10-0+deb11u1 | fixed |
| bullseye (security) | 3.4.16-0+deb11u1 | fixed |
| bookworm | 4.0.17-0+deb12u1 | fixed |
| bookworm (security) | 4.0.11-1~deb12u1 | fixed |
| trixie | 4.4.0-1 | fixed |
| sid | 4.4.1-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
[buster] - wireshark <not-affected> (IPPUSB dissector added in 3.4)
[stretch] - wireshark <not-affected> (IPPUSB dissector added in 3.4)
https://gitlab.com/wireshark/wireshark/-/issues/17705
https://www.wireshark.org/security/wnpa-sec-2021-15.html