CVE-2021-39922
wireshark: Buffer overflow in the C12.22 dissector in Wireshark 3.4.0 to 3.4.9 and 3.2.0 to 3.2.17 allows denial of service via...
CVE-2021-39922 is fixed in 5 products on 1 platform, first by DEBIAN-CVE-2021-39922, released November 19, 2021. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
7.5
high
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0556
92nd percentile
Buffer overflow in the C12.22 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
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| wireshark · Debian 12.15 (bookworm) | 3.6.0-1 | DEBIAN-CVE-2021-39922 | Nov 19, 2021 |
| wireshark · Debian 13.5 (trixie) | 3.6.0-1 | DEBIAN-CVE-2021-39922 | Nov 19, 2021 |
| wireshark · Debian 14 | 3.6.0-1 | DEBIAN-CVE-2021-39922 | Nov 19, 2021 |
| wireshark-cli · amzn 2023 | 1:4.0.2-1.amzn2023.0.2 | ALAS2023-2023-038 | Feb 17, 2023 |
| wireshark-cli-debuginfo · amzn 2023 | 1:4.0.2-1.amzn2023.0.2 | ALAS2023-2023-038 | Feb 17, 2023 |
| wireshark-debugsource · amzn 2023 | 1:4.0.2-1.amzn2023.0.2 | ALAS2023-2023-038 | Feb 17, 2023 |
| wireshark-devel · amzn 2023 | 1:4.0.2-1.amzn2023.0.2 | ALAS2023-2023-038 | Feb 17, 2023 |
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