What’s Vulnerable › Vulnerabilities

CVE-2021-41043

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-01-05 · updated 2026-06-17
• Weakness: CWE-416

Description

Use after free in tcpslice triggers AddressSanitizer, no other confirmed impact.

Affected products

• The Tcpdump Group tcpslice: before 1.5 — fixed in 1.5

How to fix

Upgrade to a fixed version: The Tcpdump Group tcpslice 1.5. Check the vendor advisory for mitigations.

References

• https://github.com/the-tcpdump-group/tcpslice/issues/11
• https://github.com/the-tcpdump-group/tcpslice/issues/11

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