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ALSA-2024:0769 — Moderate: tcpdump security update

Affected: AlmaLinux:8: tcpdump

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.

bdu:2025-16161

certfr-2024-avi-0305 — De multiples vulnérabilités ont été découvertes dans les produits IBM. Certaines d'entre el…

certfr-2024-avi-0305

EUVD-2026-31454

fkie_cve-2021-41043

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

GHSA-hgc7-hm7p-p5cj

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

gsd-2021-41043

RHSA-2024:0410 — Red Hat Security Advisory: tcpdump security update

tcpslice: use-after-free in extract_slice()

RHSA-2024:0769 — Red Hat Security Advisory: tcpdump security update

tcpslice: use-after-free in extract_slice()

UBUNTU-CVE-2021-41043

Affected: Ubuntu:16.04:LTS: tcpslice, Ubuntu:18.04:LTS: tcpslice, Ubuntu:20.04:LTS: tcpslice, Ubuntu:22.04:LTS: tcpslice, Ubuntu:24.04:LTS: tcpslice, Ubuntu:25.10: tcpslice, Ubuntu:26.04:LTS: tcpslice

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

WID-SEC-W-2024-0218 — Red Hat Enterprise Linux's oniguruma, tcpslice, c-ares: Mehrere Schwachstellen

Ein entfernter Angreifer kann mehrere Schwachstellen in Red Hat Enterprise Linux ausnutzen, um einen Denial-of-Service-Zustand zu erzeugen, beliebigen Code auszuführen oder sensible Informationen offenzulegen.