CVE-2013-7039
Stack-based buffer overflow in the MHD_digest_auth_check function in libmicrohttpd before 0.9.32,...
CVE-2013-7039 is a medium vulnerability (CVSS 5.1) in Gnu Libmicrohttpd, published December 13, 2013. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.28%, the 88th percentile. Fixed in libmicrohttpd 0.9.32-1.
- Severity
- 5.1 MediumCVSS 2.0, NVD
- Exploit chance
- 3.28%EPSS, 88th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
0.9.32-1libmicrohttpd +7 more
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.
Exploit likelihood
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
libmicrohttpdDebian:12 | before 0.9.32-1 | 0.9.32-1 |
libmicrohttpdDebian:13 | before 0.9.32-1 | 0.9.32-1 |
libmicrohttpdDebian:14 | before 0.9.32-1 | 0.9.32-1 |
libmicrohttpdMageia:3 From an advisory covering 2 CVEs | before 0.9.33-1.mga3 | 0.9.33-1.mga3 |
libmicrohttpdSUSE:Linux Enterprise Server for Raspberry Pi 12 SP2 From an advisory covering 2 CVEs | before 0.9.30-5.1 | 0.9.30-5.1 |
libmicrohttpdSUSE:Linux Enterprise Software Development Kit 12 SP2 From an advisory covering 2 CVEs | before 0.9.30-5.1 | 0.9.30-5.1 |
libmicrohttpdSUSE:Linux Enterprise Server 12 SP2 From an advisory covering 2 CVEs | before 0.9.30-5.1 | 0.9.30-5.1 |
libmicrohttpdSUSE:Linux Enterprise Server for SAP Applications 12 SP2 From an advisory covering 2 CVEs | before 0.9.30-5.1 | 0.9.30-5.1 |
What each source reports
NVD Score used
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.
- Record
CVE-2013-7039- CVSS 2.0
- 5.1 Medium
AV:N/AC:H/Au:N/C:P/I:P/A:P - Weakness
- CWE-119
- Updated
- 2026-11-02
CVE ListNo score
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.
- Record
CVE-2013-7039- Updated
- 2026-11-02
EUVDEUVD-2013-6839No score
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.
- Record
EUVD-2013-6839- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-xjww-5jpx-q2w4No score
Stack-based buffer overflow in the MHD_digest_auth_check function in libmicrohttpd before 0.9.32,...
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.
- Record
GHSA-xjww-5jpx-q2w4- Weakness
- CWE-119
- Updated
- 2026-11-02
OSVNo score
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.
- Record
CVE-2013-7039- Updated
- 2026-11-02
OSVDEBIAN-CVE-2013-7039No score
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.
- Record
DEBIAN-CVE-2013-7039- Updated
- 2026-11-02
OSVMGASA-2014-0030No score
Updated libmicrohttpd package fixes security vulnerabilities
The MHD_http_unescape function in libmicrohttpd before 0.9.32 might allow remote attackers to obtain sensitive information or cause a denial of service (crash) via unspecified vectors that trigger an out-of-bounds read (CVE-2013-7038).
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 (CVE-2013-7039).
- Record
MGASA-2014-0030- Updated
- 2026-11-02
OSVSUSE-SU-2017:1576-1No score
Security update for libmicrohttpd
This update for libmicrohttpd fixes the following issues:
CVE-2013-7038: The MHD_http_unescape function in libmicrohttpd might have allowed remote attackers to obtain sensitive information or cause a denial of service (crash) via unspecified vectors that trigger an out-of-bounds read. (bsc#854443)
CVE-2013-7039: Stack-based buffer overflow in the MHD_digest_auth_check function in libmicrohttpd, when MHD_OPTION_CONNECTION_MEMORY_LIMIT is set to a large value, allowed remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a long URI in an authentication header. (bsc#854443)
Fixed various bugs found during a 2017 audit, which are more hardening measures and not security issues. (bsc#1041216)
- Record
SUSE-SU-2017:1576-1- Updated
- 2026-11-02
OSVUBUNTU-CVE-2013-7039No score
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.
- Record
UBUNTU-CVE-2013-7039- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| affected | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
References
bugzilla.redhat.com/show_bug.cgi?id=1039390
securityfocus.com/bid/64138
bugs.gentoo.org/show_bug.cgi?id=493450
security.gentoo.org/glsa/glsa-201402-01.xml
gnunet.org/svn/libmicrohttpd/ChangeLog
openwall.com/lists/oss-security/2013/12/09/11
Show 14 moreShow less
secunia.com/advisories/55903
nvd.nist.gov/vuln/detail/CVE-2013-7039
github.com/advisories/GHSA-xjww-5jpx-q2w4
security-tracker.debian.org/tracker/CVE-2013-7039
advisories.mageia.org/MGASA-2014-0030.html
bugs.mageia.org/show_bug.cgi?id=11936
lists.fedoraproject.org/pipermail/package-announce/2014-January/127159.html
suse.com/support/update/announcement/2017/suse-su-20171576-1
bugzilla.suse.com/1041216
ubuntu.com/security/CVE-2013-7039
cve.org/CVERecord?id=CVE-2013-7039