CVE catalog
CVE-2021-41043
tcpslice: CVE-2021-41043
- Severity
- Medium · CVSS 5.5
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.87% · Oct 25, 2026
Use after free in tcpslice triggers AddressSanitizer, no other confirmed impact.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | tcpslice | sid | 1.8-1 | fixed |
| Debian | tcpslice | forky | 1.8-1 | fixed |
| Debian | tcpslice | trixie | 1.8-1 | fixed |
| Debian | tcpslice | bookworm | 1.5-1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | tcpslice | source | sid | 1.5-1 | not yet assigned | Not reported | [1003190] |
| Debian | tcpslice | source | forky | 1.5-1 | not yet assigned | Not reported | [1003190] |
| Debian | tcpslice | source | trixie | 1.5-1 | not yet assigned | Not reported | [1003190] |
| Debian | tcpslice | source | bookworm | 1.5-1 | not yet assigned | Not reported | [1003190] |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [tcpslice]Fixed
Details (2)
1.5-1· amd64 · bookwormFixed · Fixed:
1.5-1dsa · tcpslice · debian · bookworm; dsa · tcpslice · debian · 12
1.5-1· arm64 · bookwormFixed · Fixed:
1.5-1dsa · tcpslice · debian · bookworm; dsa · tcpslice · debian · 12
[Debian 13 (Trixie)]
- [tcpslice]Fixed
Details (2)
1.8-1· amd64 · trixieFixed · Fixed:
1.5-1dsa · tcpslice · debian · 13
1.8-1· arm64 · trixieFixed · Fixed:
1.5-1dsa · tcpslice · debian · 13
Observed:
References
- [https://access.redhat.com/errata/RHSA-2024:2211]
- [https://ftp.suse.com/pub/projects/security/csaf/rhsa-2024_0769.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2021-41043]
- [https://security-tracker.debian.org/tracker/CVE-2021-41043]
- [https://wid.cert-bund.de/.well-known/csaf/white/2024/wid-sec-w-2024-0218.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]