high7.5
CVE-2021-39923
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
Impact
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
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Wireshark | Wireshark | from 3.2.0 through 3.2.17 from 3.4.0 through 3.4.9 |
| Debian | Debian Linux | Versions 10.0, 11.0, 9.0 |
Weakness classification
References
- NVD record
- CVE.org record
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39923.json
- https://gitlab.com/wireshark/wireshark/-/issues/17684
- https://lists.debian.org/debian-lts-announce/2021/12/msg00015.html
- https://www.debian.org/security/2021/dsa-5019
- https://www.wireshark.org/security/wnpa-sec-2021-11.html
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39923.json
- https://gitlab.com/wireshark/wireshark/-/issues/17684
- https://lists.debian.org/debian-lts-announce/2021/12/msg00015.html
- https://www.debian.org/security/2021/dsa-5019
- https://www.wireshark.org/security/wnpa-sec-2021-11.html