Opera: Multiple vulnerabilities
Gentoo Linux Security Advisory
||GLSA 200708-17 / opera
||August 22, 2007
||August 22, 2007: 01
All supported architectures
Opera contain several vulnerabilities, some of which may allow the
execution of arbitrary code.
Opera is a multi-platform web browser.
An error known as "a virtual function call on an invalid pointer" has
iDefense Labs reported that an already-freed pointer may be still used
under unspecified circumstances in the BitTorrent support
(CVE-2007-3929). At last, minor other errors have been discovered,
relative to memory read protection (Opera Advisory 861) and URI
displays (CVE-2007-3142, CVE-2007-3819).
A remote attacker could trigger the BitTorrent vulnerability by
enticing a user into starting a malicious BitTorrent download, and
execute arbitrary code through unspecified vectors. Additionally, a
but uncleaned memory. Finally, a user can be fooled with a too long
HTTP server name that does not fit the dialog box, or a URI containing
There is no known workaround at this time for all these
All Opera users should upgrade to the latest version:
Code Listing 3.1: Resolution
# emerge --sync
# emerge --ask --oneshot --verbose ">=www-client/opera-9.23"