CVE-2021-26676

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

Description

gdhcp in ConnMan before 1.39 could be used by network-adjacent attackers to leak sensitive stack information, allowing further exploitation of bugs in gdhcp.

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-2021-26676

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.