What’s Vulnerable › Vulnerabilities

CVE-2021-22191

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-03-15 · updated 2026-06-17
• Weakness: CWE-74

Description

Improper URL handling in Wireshark 3.4.0 to 3.4.3 and 3.2.0 to 3.2.11 could allow remote code execution via via packet injection or crafted capture file.

Affected products

• Debian Linux: 9.0
• Oracle Zfs Storage Appliance: 8.8
• Wireshark Foundation Wireshark: from 3.2.0 through 3.2.11; from 3.4.0 through 3.4.3

References

• https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22191.json
• https://gitlab.com/wireshark/wireshark/-/issues/17232
• https://lists.debian.org/debian-lts-announce/2022/03/msg00041.html
• https://security.gentoo.org/glsa/202107-21
• https://www.oracle.com/security-alerts/cpuApr2021.html
• https://www.wireshark.org/security/wnpa-sec-2021-03.html
• https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22191.json
• https://gitlab.com/wireshark/wireshark/-/issues/17232
• https://lists.debian.org/debian-lts-announce/2022/03/msg00041.html
• https://security.gentoo.org/glsa/202107-21
• https://www.oracle.com/security-alerts/cpuApr2021.html
• https://www.wireshark.org/security/wnpa-sec-2021-03.html

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