CVE-2016-0746

critical
Published 2016-02-15 ยท Modified 2026-05-06
CVSS v3
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4 NEW
โ€”
not yet in upstream
VIR risk
9.8

Description

Use-after-free vulnerability in the resolver in nginx 0.6.18 through 1.8.0 and 1.9.x before 1.9.10 allows remote attackers to cause a denial of service (worker process crash) or possibly have unspecified other impact via a crafted DNS response related to CNAME response processing.

Predictions

Exploit likelihood
97%
Patch ETA
โ€”

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ€” if you've already worked around this in production โ€” publish your fix to the community-verified tier.

โœš Propose a mitigation on Community โ†’ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

OSVersionStatusFixed in
suse slesaffected
debian debianbookwormfixed1.9.10-1
debian debianbullseyefixed1.9.10-1
debian debianforkyfixed1.9.10-1
debian debiansidfixed1.9.10-1
debian debiantrixiefixed1.9.10-1
debian debian7.0affected
debian debian8.0affected
debian debian9.0affected
ubuntu ubuntu14.04affected
ubuntu ubuntu15.10affected
suse suse42.1affected

Application impact

VendorProductVersionsFixed
f5nginx{"startIncluding":"0.6.18","endIncluding":"1.8.0"}
macos applexcode{"endExcluding":"13.0"}13.0
nginx nginxnginx{"startIncluding":"0.6.18","endIncluding":"1.8.0"}
nginx nginxnginx{"startIncluding":"1.9.0","endExcluding":"1.9.10"}1.9.10

References

CWEs

CWE-416

Community-verified mitigations for this CVE will appear above when contributors publish them.

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