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CVE-2012-5640

thttpd has a local DoS vulnerability via specially-crafted .htpasswd files

5.5 MediumFix available

thttpd has a local DoS vulnerability via specially-crafted .htpasswd files

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

0.39%Down 0.6 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 5.5

thttpd has a local DoS vulnerability via specially-crafted .htpasswd files

Record
CVE-2012-5640
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0
2.1 LowAV:L/AC:L/Au:N/C:N/I:N/A:P
Weakness
CWE-476
Updated
2026-11-02
CVE List No score

thttpd has a local DoS vulnerability via specially-crafted .htpasswd files

Record
CVE-2012-5640
Updated
2026-11-02
EUVDEUVD-2012-5524 No score

thttpd has a local DoS vulnerability via specially-crafted .htpasswd files

Record
EUVD-2012-5524
Updated
2026-11-03
GitHub AdvisoriesGHSA-xg4h-q3qm-pp3c 5.5

thttpd has a local DoS vulnerability via specially-crafted .htpasswd files

thttpd has a local DoS vulnerability via specially-crafted .htpasswd files

Record
GHSA-xg4h-q3qm-pp3c
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-476
Updated
2026-11-02
OSVALPINE-CVE-2012-5640 5.5

thttpd has a local DoS vulnerability via specially-crafted .htpasswd files

Record
ALPINE-CVE-2012-5640
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-03
OSVopenSUSE-SU-2024:10187-1 No score

thttpd-2.26-4.7 on GA media

These are all security issues fixed in the thttpd-2.26-4.7 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:10187-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
thttpd
Alpine:v3.22
before 2.29-r5
2.29-r5
thttpd
Alpine:v3.23
before 2.29-r5
2.29-r5
thttpd
Alpine:v3.24
before 2.29-r5
2.29-r5
thttpd
openSUSE:Tumbleweed
From an advisory covering 2 CVEs
before 2.26-4.7
2.26-4.7

History

History
RecordedChangedSources
affected, facts
affected, aliases, referencesOSV
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2012-5640 is a medium vulnerability (CVSS 5.5) in Acme Thttpd, published November 25, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.39%, the 32nd percentile. Fixed in thttpd 2.29-r5.

References

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