Name | CVE-2021-39923 |
Description | Large loop in the PNRP 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 |
Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
References | DLA-2849-1, 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, 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
https://gitlab.com/wireshark/wireshark/-/issues/17684
https://www.wireshark.org/security/wnpa-sec-2021-11.html