CVE-2021-41043

tcpdump: The tcpdump packages contain the tcpdump utility for monitoring network traffic

CVE-2021-41043 is fixed in 2 products on 1 platform, first by DEBIAN-CVE-2021-41043, released January 5, 2022. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
5.5
Moderate
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0093
60th percentile

The tcpdump packages contain the tcpdump utility for monitoring network traffic. The tcpdump utility can capture and display the packet headers on a particular network interface or on all interfaces. Security Fix(es): * tcpslice: use-after-free in extract_slice() (CVE-2021-41043) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Where it's fixed

ProductFixed inFixReleased
Linux
tcpdump · RHEL 8 14:4.9.3-3.el8_9.1 RHSA-2024:0769 Feb 12, 2024
tcpdump · RHEL 9 14:4.99.0-9.el9 RHSA-2024:2211 Apr 30, 2024
tcpdump · almalinux 8 14:4.9.3-3.el8_9.1.alma.1 ALSA-2024:0769 Feb 12, 2024
tcpdump · almalinux 9 14:4.99.0-9.el9 ALSA-2024:2211 Apr 30, 2024
tcpdump · ol 8 14:4.9.3-3.el8_9.1 ELSA-2024-0769 Feb 13, 2024
tcpdump · ol 9 14:4.99.0-9.el9 ELSA-2024-2211 May 2, 2024
tcpdump · rocky 8 4:4.9.3-3.el8_9.1 RLSA-2024:0769 Mar 12, 2024
tcpdump · rocky 9 4:4.99.0-9.el9 RLSA-2024:2211 May 7, 2025
tcpslice · Debian 12.15 (bookworm) 1.5-1 DEBIAN-CVE-2021-41043 Jan 5, 2022
tcpslice · Debian 13.5 (trixie) 1.5-1 DEBIAN-CVE-2021-41043 Jan 5, 2022
tcpslice · Debian 14 1.5-1 DEBIAN-CVE-2021-41043 Jan 5, 2022

Patch Radar data is free to use with attribution. Terms and how to credit it.

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.