CVE-2010-1349 (http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-1349): Integer overflow in Opera 10.10 through 10.50 allows remote attackers to execute arbitrary code via a large Content-Length value, which triggers a heap overflow.
This isn't going anywhere until there's a 10.60 or beyond that upstream calls stable.
Vulnerable versions are no longer in the tree. GLSA with bug 283391 and friends.
This issue was resolved and addressed in GLSA 201206-03 at http://security.gentoo.org/glsa/glsa-201206-03.xml by GLSA coordinator Sean Amoss (ackle).