Description
ViewVC before 1.1.11 allows remote attackers to bypass the cvsdb row_limit configuration setting, and consequently conduct resource-consumption attacks, via the limit parameter, as demonstrated by a "query revision history" request.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 6.0 | viewvc | 1.1.5-1.1+squeeze2 | DSA-2563-1 |
Advisories 1
- DSA-2563-1 viewvc - several Debian Security (DSA / DLA) · Mar 9, 2026
References
- 47928 vdb-entry
- [oss-security] 20110519 Re: CVE Request: viewvc DoS mailing-list
- http://viewvc.tigris.org/issues/show_bug.cgi?id=433
- http://viewvc.tigris.org/source/browse/viewvc/trunk/lib/viewvc.py?diff_format=u&r1=2547&r2=2546&pathrev=2547
- [oss-security] 20110519 CVE Request: viewvc DoS mailing-list
- DSA-2563 vendor-advisory
- http://viewvc.tigris.org/source/browse/%2Acheckout%2A/viewvc/tags/1.1.11/CHANGES
- http://viewvc.tigris.org/source/browse/viewvc/trunk/lib/cvsdb.py?diff_format=u&view=log#rev2547