# CVE-2022-0582: wireshark: Unaligned access in the CSN.1 protocol dissector in Wireshark 3.6.0 to 3.6.1 and 3.4.0 to 3.4.11 allows denial of ser... CVE-2022-0582 is fixed in 17 products on 1 platform, first by libwireshark-data 2.6.10-1~ubuntu18.04.0+esm2, released February 14, 2022. It is not reported as exploited. Patch Radar priority: Urgent. - Web page: https://patchblox.com/security/cve/CVE-2022-0582 - Priority: Urgent - CVSS: 9.8 (critical) - EPSS: 0.0199 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: Feb 14, 2022 ## Description Unaligned access in the CSN.1 protocol dissector in Wireshark 3.6.0 to 3.6.1 and 3.4.0 to 3.4.11 allows denial of service via packet injection or crafted capture file ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Linux | libwireshark-data Ubuntu 18.04.6 LTS (bionic) | 2.6.10-1~ubuntu18.04.0+esm2 | [libwireshark-data 2.6.10-1~ubuntu18.04.0+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libwireshark-data-2.6.10-1-ubuntu18.04.0-esm2.md) | Feb 14, 2022 | | Linux | libwireshark-data Ubuntu 20.04 LTS (focal) | 3.2.3-1ubuntu0.1~esm2 | [libwireshark-data 3.2.3-1ubuntu0.1~esm2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libwireshark-data-3.2.3-1ubuntu0.1-esm2.md) | Feb 18, 2022 | | Linux | libwireshark11 Ubuntu 18.04.6 LTS (bionic) | 2.6.10-1~ubuntu18.04.0+esm2 | [libwireshark11 2.6.10-1~ubuntu18.04.0+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libwireshark11-2.6.10-1-ubuntu18.04.0-esm2.md) | Feb 14, 2022 | | Linux | libwireshark13 Ubuntu 20.04 LTS (focal) | 3.2.3-1ubuntu0.1~esm2 | [libwireshark13 3.2.3-1ubuntu0.1~esm2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libwireshark13-3.2.3-1ubuntu0.1-esm2.md) | Feb 18, 2022 | | Linux | libwiretap10 Ubuntu 20.04 LTS (focal) | 3.2.3-1ubuntu0.1~esm2 | [libwiretap10 3.2.3-1ubuntu0.1~esm2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libwiretap10-3.2.3-1ubuntu0.1-esm2.md) | Feb 18, 2022 | | Linux | libwiretap8 Ubuntu 18.04.6 LTS (bionic) | 2.6.10-1~ubuntu18.04.0+esm2 | [libwiretap8 2.6.10-1~ubuntu18.04.0+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libwiretap8-2.6.10-1-ubuntu18.04.0-esm2.md) | Feb 14, 2022 | | Linux | libwscodecs2 Ubuntu 18.04.6 LTS (bionic) | 2.6.10-1~ubuntu18.04.0+esm2 | [libwscodecs2 2.6.10-1~ubuntu18.04.0+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libwscodecs2-2.6.10-1-ubuntu18.04.0-esm2.md) | Feb 14, 2022 | | Linux | libwsutil11 Ubuntu 20.04 LTS (focal) | 3.2.3-1ubuntu0.1~esm2 | [libwsutil11 3.2.3-1ubuntu0.1~esm2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libwsutil11-3.2.3-1ubuntu0.1-esm2.md) | Feb 18, 2022 | | Linux | libwsutil9 Ubuntu 18.04.6 LTS (bionic) | 2.6.10-1~ubuntu18.04.0+esm2 | [libwsutil9 2.6.10-1~ubuntu18.04.0+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libwsutil9-2.6.10-1-ubuntu18.04.0-esm2.md) | Feb 14, 2022 | | Linux | tshark Ubuntu 18.04.6 LTS (bionic) | 2.6.10-1~ubuntu18.04.0+esm2 | [tshark 2.6.10-1~ubuntu18.04.0+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-tshark-2.6.10-1-ubuntu18.04.0-esm2.md) | Feb 14, 2022 | | Linux | tshark Ubuntu 20.04 LTS (focal) | 3.2.3-1ubuntu0.1~esm2 | [tshark 3.2.3-1ubuntu0.1~esm2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-tshark-3.2.3-1ubuntu0.1-esm2.md) | Feb 18, 2022 | | Linux | wireshark Debian 12.15 (bookworm) | 3.6.2-1 | [DEBIAN-CVE-2022-0582](https://patchblox.com/security/data/fix/linux/debian-cve-2022-0582.md) | Feb 14, 2022 | | Linux | wireshark Debian 13.5 (trixie) | 3.6.2-1 | [DEBIAN-CVE-2022-0582](https://patchblox.com/security/data/fix/linux/debian-cve-2022-0582.md) | Feb 14, 2022 | | Linux | wireshark Debian 14 | 3.6.2-1 | [DEBIAN-CVE-2022-0582](https://patchblox.com/security/data/fix/linux/debian-cve-2022-0582.md) | Feb 14, 2022 | | Linux | wireshark Ubuntu 18.04.6 LTS (bionic) | 2.6.10-1~ubuntu18.04.0+esm2 | [wireshark 2.6.10-1~ubuntu18.04.0+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-wireshark-2.6.10-1-ubuntu18.04.0-esm2.md) | Feb 14, 2022 | | Linux | wireshark Ubuntu 20.04 LTS (focal) | 3.2.3-1ubuntu0.1~esm2 | [wireshark 3.2.3-1ubuntu0.1~esm2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-wireshark-3.2.3-1ubuntu0.1-esm2.md) | Feb 18, 2022 | | Linux | wireshark-cli amzn 2023 | 1:4.0.2-1.amzn2023.0.2 | [ALAS2023-2023-038](https://patchblox.com/security/data/fix/linux/alas2023-2023-038.md) | Feb 17, 2023 | | Linux | wireshark-cli-debuginfo amzn 2023 | 1:4.0.2-1.amzn2023.0.2 | [ALAS2023-2023-038](https://patchblox.com/security/data/fix/linux/alas2023-2023-038.md) | Feb 17, 2023 | | Linux | wireshark-common Ubuntu 18.04.6 LTS (bionic) | 2.6.10-1~ubuntu18.04.0+esm2 | [wireshark-common 2.6.10-1~ubuntu18.04.0+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-wireshark-common-2.6.10-1-ubuntu18.04.0-esm2.md) | Feb 14, 2022 | | Linux | wireshark-common Ubuntu 20.04 LTS (focal) | 3.2.3-1ubuntu0.1~esm2 | [wireshark-common 3.2.3-1ubuntu0.1~esm2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-wireshark-common-3.2.3-1ubuntu0.1-esm2.md) | Feb 18, 2022 | | Linux | wireshark-debugsource amzn 2023 | 1:4.0.2-1.amzn2023.0.2 | [ALAS2023-2023-038](https://patchblox.com/security/data/fix/linux/alas2023-2023-038.md) | Feb 17, 2023 | | Linux | wireshark-devel amzn 2023 | 1:4.0.2-1.amzn2023.0.2 | [ALAS2023-2023-038](https://patchblox.com/security/data/fix/linux/alas2023-2023-038.md) | Feb 17, 2023 | | Linux | wireshark-gtk Ubuntu 18.04.6 LTS (bionic) | 2.6.10-1~ubuntu18.04.0+esm2 | [wireshark-gtk 2.6.10-1~ubuntu18.04.0+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-wireshark-gtk-2.6.10-1-ubuntu18.04.0-esm2.md) | Feb 14, 2022 | | Linux | wireshark-gtk Ubuntu 20.04 LTS (focal) | 3.2.3-1ubuntu0.1~esm2 | [wireshark-gtk 3.2.3-1ubuntu0.1~esm2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-wireshark-gtk-3.2.3-1ubuntu0.1-esm2.md) | Feb 18, 2022 | | Linux | wireshark-qt Ubuntu 18.04.6 LTS (bionic) | 2.6.10-1~ubuntu18.04.0+esm2 | [wireshark-qt 2.6.10-1~ubuntu18.04.0+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-wireshark-qt-2.6.10-1-ubuntu18.04.0-esm2.md) | Feb 14, 2022 | | Linux | wireshark-qt Ubuntu 20.04 LTS (focal) | 3.2.3-1ubuntu0.1~esm2 | [wireshark-qt 3.2.3-1ubuntu0.1~esm2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-wireshark-qt-3.2.3-1ubuntu0.1-esm2.md) | Feb 18, 2022 | --- Data as of 2026-11-08T00:53:09Z UTC. 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