CVE-2012-5640 json
thttpd has a local DoS vulnerability via specially-crafted .htpasswd files
published 6y ago modified 4mo ago also EUVD-2012-5524
- cvss
- 5.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 32%
- public exploits
- 0
- none known
Summary
thttpd has a local DoS vulnerability via specially-crafted .htpasswd files
Patch / fix
- thttpd openSUSE Tumbleweed 2.26-4.7
opensuse advisories openSUSE-SU-2024:10187-1
- thttpd Alpine 3.24, Alpine 3.23, Alpine 3.22 2.29-r5
alpine advisories ALPINE-CVE-2012-5640
Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
Is CVE-2012-5640 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerVendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2012-5640 updated cvss 2.1
thttpd: Denial of Service when using glibc, crypt() can return NULL
-
Red Hat All currently supported Red Hat productsnot affected: vulnerable code not present
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
0.39% chance of exploitation in the next 30 days, higher than 32% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 2.1 | AV:L/AC:L/Au:N/C:N/I:N/A:P |
Affected products
- thttpd thttpd
Classification
- Weakness
-
- CWE-476 NULL Pointer Dereference
References
-
access.redhat.com
/security/cve/cve-2012-5640
vendor-advisory, broken-link
-
security-tracker.debian.org
/tracker/CVE-2012-5640
third-party-advisory
-
bugzilla.redhat.com
/show_bug.cgi?id=CVE-2012-5640
issue-tracking, third-party-advisory
-
openwall.com
/lists/oss-security/2012/12/15/1
mailing-list, third-party-advisory
Sources
- CVE List CVE-2012-5640
- NVD CVE-2012-5640
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.