CVE-2026-33006

medium

Published 2026-05-04 · Modified 2026-05-04

💬 Discuss on Community ✚ Propose mitigation

CVSS v3

4.8

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

CVSS v4 NEW

—

not yet in upstream

VIR risk

4.8

Description

A timing attack against mod_auth_digest in Apache HTTP Server 2.4.66 allows a bypass of Digest authentication by a remote attacker. Users are recommended to upgrade to version 2.4.67, which fixes this issue.

Predictions

Exploit likelihood

58%

Patch ETA

—

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 — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → 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

OS	Version	Status	Fixed in
debian	bookworm	fixed	`2.4.67-1~deb12u2`
debian	bullseye	fixed	`2.4.67-1~deb11u1`
debian	forky	fixed	`2.4.67-1`
debian	sid	fixed	`2.4.67-1`
debian	trixie	fixed	`2.4.67-1~deb13u2`
sles		affected
windows		affected

Application impact

Vendor	Product	Versions	Fixed
apache	http_server	`{"endExcluding":"2.4.67"}`	`2.4.67`

References

CWEs

CWE-208

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

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