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Unrated severityNVD Advisory· Published Aug 31, 2009· Updated Jun 16, 2026

CVE-2009-3012

CVE-2009-3012

Description

Mozilla Firefox 3.0.13 and earlier, 3.5, 3.6 a1 pre, and 3.7 a1 pre does not properly block data: URIs in Location headers in HTTP responses, which allows remote attackers to conduct cross-site scripting (XSS) attacks via vectors related to (1) injecting a Location header that contains JavaScript sequences in a data:text/html URI or (2) entering a data:text/html URI with JavaScript sequences when specifying the content of a Location header. NOTE: the JavaScript executes outside of the context of the HTTP site.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

21
  • Mozilla Corporation/Firefox21 versions
    cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*+ 20 more
    • cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*range: <=3.0.13
    • cpe:2.3:a:mozilla:firefox:3.0:*:*:*:*:*:*:*
    • cpe:2.3:a:mozilla:firefox:3.0.1:*:*:*:*:*:*:*
    • cpe:2.3:a:mozilla:firefox:3.0.10:*:*:*:*:*:*:*
    • cpe:2.3:a:mozilla:firefox:3.0.11:*:*:*:*:*:*:*
    • cpe:2.3:a:mozilla:firefox:3.0.12:*:*:*:*:*:*:*
    • cpe:2.3:a:mozilla:firefox:3.0.2:*:*:*:*:*:*:*
    • cpe:2.3:a:mozilla:firefox:3.0.3:*:*:*:*:*:*:*
    • cpe:2.3:a:mozilla:firefox:3.0.4:*:*:*:*:*:*:*
    • cpe:2.3:a:mozilla:firefox:3.0.5:*:*:*:*:*:*:*
    • cpe:2.3:a:mozilla:firefox:3.0.6:*:*:*:*:*:*:*
    • cpe:2.3:a:mozilla:firefox:3.0.7:*:*:*:*:*:*:*
    • cpe:2.3:a:mozilla:firefox:3.0.8:*:*:*:*:*:*:*
    • cpe:2.3:a:mozilla:firefox:3.0.9:*:*:*:*:*:*:*
    • cpe:2.3:a:mozilla:firefox:3.0:alpha:*:*:*:*:*:*
    • cpe:2.3:a:mozilla:firefox:3.0:beta2:*:*:*:*:*:*
    • cpe:2.3:a:mozilla:firefox:3.0:beta5:*:*:*:*:*:*
    • cpe:2.3:a:mozilla:firefox:3.5:*:*:*:*:*:*:*
    • cpe:2.3:a:mozilla:firefox:3.6:a1_pre:*:*:*:*:*:*
    • cpe:2.3:a:mozilla:firefox:3.7:a1_pre:*:*:*:*:*:*
    • (no CPE)range: <=3.0.13, 3.5, 3.6 a1 pre, 3.7 a1 pre

Patches

Vulnerability mechanics

References

2

News mentions

0

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