CVE-2011-2631 Denial of service in n/a
Remote attackers can cause a denial of service in Opera browser via a malicious web page triggering an infinite repaint loop.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2011-2631?
CVE-2011-2631 is a medium-severity denial of service vulnerability in Opera Opera Browser, published on 1 Jul 2011. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
The Cascading Style Sheets (CSS) implementation in Opera before 11.11 does not properly handle the column-count property, which allows remote attackers to cause a denial of service (infinite repaint loop and application hang) via a web page, as demonstrated by an unspecified Wikipedia page.
Weakness: CWE-20
Which versions are affected by CVE-2011-2631?
It affects 1 product.
Products include Opera Opera Browser.
How do I fix CVE-2011-2631?
No fix has been published for CVE-2011-2631 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2011-2631 being exploited?
There is no known exploitation of CVE-2011-2631 in the wild and no public exploit code.
Other vulnerabilities in Opera Opera Browser
- CVE-2013-3211 Unspecified vulnerability in Opera before 12.15 has unknown impact and attack vectors, related to a "moderately severe issue."
- CVE-2012-4145 Other in n/a
- CVE-2012-3559 Other in n/a
- CVE-2012-3561 Memory corruption in n/a
- CVE-2011-4683 Unspecified vulnerability in Opera before 11.60 has unknown impact and attack vectors, related to a "moderately severe issue."
Sources
Also known as GHSA-3hr4-2x74-c996.