CVE-2016-2161

high
Published 2017-07-27 ยท Modified 2026-05-13
CVSS v3
7.5
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4 NEW
โ€”
not yet in upstream
VIR risk
7.5

Description

In Apache HTTP Server versions 2.4.0 to 2.4.23, malicious input to mod_auth_digest can cause the server to crash, and each instance continues to crash even for subsequently valid requests.

Predictions

Exploit likelihood
83%
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
debian debianbookwormfixed2.4.25-1
debian debianbullseyefixed2.4.25-1
debian debianforkyfixed2.4.25-1
debian debiansidfixed2.4.25-1
debian debiantrixiefixed2.4.25-1
suse slesaffected

Application impact

VendorProductVersionsFixed
apache apachehttp_server2.4.0
apache apachehttp_server2.4.1
apache apachehttp_server2.4.2
apache apachehttp_server2.4.3
apache apachehttp_server2.4.6
apache apachehttp_server2.4.7
apache apachehttp_server2.4.8
apache apachehttp_server2.4.9
apache apachehttp_server2.4.10
apache apachehttp_server2.4.12
apache apachehttp_server2.4.14
apache apachehttp_server2.4.16
apache apachehttp_server2.4.19
apache apachehttp_server2.4.20
apache apachehttp_server2.4.21
apache apachehttp_server2.4.22
apache apachehttp_server2.4.23

References

CWEs

CWE-823 CWE-20

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

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