CVE-2011-4362 - CVE House
Back to Database
Status published Medium CVE-2011-4362

Integer signedness error in the base64_decode function in the HTTP...

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2011-4362

Credits & Attribution

No credits recorded in the NVD database.

References

More from lighttpd

View All →
CVE-2025-12642
HTTP Header Smuggling via Trailer Merge
Medium 6.9
CVE-2022-41556
A resource leak in gw_backend.c in lighttpd 1.4.56 through 1.4.66...
High 7.5
CVE-2022-37797
In lighttpd 1.4.65, mod_wstunnel does not initialize a handler function...
High 7.5
CVE-2022-30780
Lighttpd 1.4.56 through 1.4.58 allows a remote attacker to cause...
High 7.5
CVE-2022-22707
In lighttpd 1.4.46 through 1.4.63, the mod_extforward_Forwarded function of the...
Medium 5.9

Affected Vendor

Affected Software

lighttpd, debian linux
Vulnerable Versions:
1.4.1, 1.5.0, 5.0, 6.0, 7.0

Timeline

Official Publish: December 24th, 2011
Last Modified: August 7th, 2024
Added to House: July 19th, 2026

CVSS Vectors

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.