CVE-2011-4362
Integer signedness error in the base64_decode function in the HTTP authentication functionality (http_auth.c) in lighttpd 1.4 before 1.4.30 and 1.5 before...
- Published
- Dec 24, 2011
- Updated
- Aug 7, 2024
- Assigning CNA
- redhat
- Evidence observed
- Dec 31, 2011
Primary CVSS
nvd · CVSS 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:PModerate · next 30 days
- Percentile
- 97.5%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
Integer signedness error in the base64_decode function in the HTTP authentication functionality (http_auth.c) in lighttpd 1.4 before 1.4.30 and 1.5 before SVN revision 2806 allows remote attackers to cause a denial of service (segmentation fault) via crafted base64 input that triggers an out-of-bounds read with a negative index.
Sources
1pi3 · linux · Dec 31, 2011
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