Opera versions below 9.25 are susceptible to a heap-based buffer overflow that allows for a denial of service and possibly code execution.
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Gentoo Linux Security Advisory GLSA 200712-22 - David Bloom reported two vulnerabilities where plug-ins (CVE-2007-6520) and Rich text editing (CVE-2007-6522) could be used to allow cross domain scripting. Alexander Klink (Cynops GmbH) discovered an issue with TLS certificates (CVE-2007-6521). Gynvael Coldwind reported that bitmaps might reveal random data from memory (CVE-2007-6524). Versions less than 9.25 are affected.
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