CVE-2008-6549
MoinMoin Denial of Service vulnerability via password_checker function
The password_checker function in config/multiconfig.py in MoinMoin 1.6.1 uses the cracklib and python-crack features even though they are not thread-safe, which allows remote attackers to cause a denial of service (segmentation fault and crash) via unknown vectors.
Exploit likelihood
What each source reports
NVD Score used
The password_checker function in config/multiconfig.py in MoinMoin 1.6.1 uses the cracklib and python-crack features even though they are not thread-safe, which allows remote attackers to cause a denial of service (segmentation fault and crash) via unknown vectors.
- Record
CVE-2008-6549- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
The password_checker function in config/multiconfig.py in MoinMoin 1.6.1 uses the cracklib and python-crack features even though they are not thread-safe, which allows remote attackers to cause a denial of service (segmentation fault and crash) via unknown vectors.
- Record
CVE-2008-6549- Updated
- 2026-11-02
EUVDEUVD-2009-0008 No score
The password_checker function in config/multiconfig.py in MoinMoin 1.6.1 uses the cracklib and python-crack features even though they are not thread-safe, which allows remote attackers to cause a denial of service (segmentation fault and crash) via unknown vectors.
- Record
EUVD-2009-0008- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-wjjc-m3fc-fcm8
MoinMoin Denial of Service vulnerability via password_checker function
The password_checker function in config/multiconfig.py in MoinMoin prior to version 1.6.1 uses the cracklib and python-crack features even though they are not thread-safe, which allows remote attackers to cause a denial of service (segmentation fault and crash) via unknown vectors.
- Record
GHSA-wjjc-m3fc-fcm8- CVSS 4.0
- 8.7 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N - CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-400
- Updated
- 2026-11-02
OSVGHSA-wjjc-m3fc-fcm8
MoinMoin Denial of Service vulnerability via password_checker function
The password_checker function in config/multiconfig.py in MoinMoin prior to version 1.6.1 uses the cracklib and python-crack features even though they are not thread-safe, which allows remote attackers to cause a denial of service (segmentation fault and crash) via unknown vectors.
- Record
GHSA-wjjc-m3fc-fcm8- CVSS 4.0
- 8.7 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N - CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-400
- Updated
- 2026-11-02
OSV No score
The password_checker function in config/multiconfig.py in MoinMoin 1.6.1 uses the cracklib and python-crack features even though they are not thread-safe, which allows remote attackers to cause a denial of service (segmentation fault and crash) via unknown vectors.
- Record
CVE-2008-6549- Updated
- 2026-11-02
OSVPYSEC-2009-12 No score
The password_checker function in config/multiconfig.py in MoinMoin 1.6.1 uses the cracklib and python-crack features even though they are not thread-safe, which allows remote attackers to cause a denial of service (segmentation fault and crash) via unknown vectors.
- Record
PYSEC-2009-12- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
moinPyPI |
before 1.6.1 | 1.6.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2008-6549 is a medium vulnerability (CVSS 5.0) in Moinmo Moinmoin, published March 30, 2009. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.48%, the 74th percentile. Fixed in moin 1.6.1.
References
moinmo.in/SecurityFixes
hg.moinmo.in/moin/1.6/rev/35ff7a9b1546
osvdb.org/48876
nvd.nist.gov/vuln/detail/CVE-2008-6549
web.archive.org/web/20080410051007/http://moinmo.in/SecurityFixes
github.com/pypa/advisory-database/tree/main/vulns/moin/PYSEC-2009-12.yaml