CVE-2021-26675

critical
Published — · Modified —
CVSS v3
CVSS v2
VIR risk
9.5

Description

A stack-based buffer overflow in dnsproxy in ConnMan before 1.39 could be used by network adjacent attackers to execute code.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-26675

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-202102-24

OS impact

OSVersionStatusFixed in
arch archfixed1.39-1
debian debianbookwormfixed1.36-2.1
debian debianbullseyefixed1.36-2.1
debian debianforkyfixed1.36-2.1
debian debiansidfixed1.36-2.1
debian debiantrixiefixed1.36-2.1

References

Verify integrity in audit chain (admin only). AS-IS.