CVE-2013-7039

medium

Published 2013-12-13 · Modified 2026-04-29

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CVSS v3

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CVSS v4 NEW

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not yet in upstream

VIR risk

5.1

Description

Stack-based buffer overflow in the MHD_digest_auth_check function in libmicrohttpd before 0.9.32, when MHD_OPTION_CONNECTION_MEMORY_LIMIT is set to a large value, allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a long URI in an authentication header.

Predictions

Exploit likelihood

20%

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
sles		affected
debian	bookworm	fixed	`0.9.32-1`
debian	bullseye	fixed	`0.9.32-1`
debian	forky	fixed	`0.9.32-1`
debian	sid	fixed	`0.9.32-1`
debian	trixie	fixed	`0.9.32-1`

Application impact

Vendor	Product	Versions
gnu	libmicrohttpd	`{"endIncluding":"0.9.31"}`
gnu	libmicrohttpd	`0.9.16`
gnu	libmicrohttpd	`0.9.17`
gnu	libmicrohttpd	`0.9.18`
gnu	libmicrohttpd	`0.9.19`
gnu	libmicrohttpd	`0.9.20`
gnu	libmicrohttpd	`0.9.21`
gnu	libmicrohttpd	`0.9.22`
gnu	libmicrohttpd	`0.9.23`
gnu	libmicrohttpd	`0.9.24`
gnu	libmicrohttpd	`0.9.25`
gnu	libmicrohttpd	`0.9.26`
gnu	libmicrohttpd	`0.9.27`
gnu	libmicrohttpd	`0.9.28`
gnu	libmicrohttpd	`0.9.29`
gnu	libmicrohttpd	`0.9.30`

References

CWEs

CWE-119

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

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