CVE-2011-0764 Memory corruption in n/a
Remote attackers can execute arbitrary code via a crafted Type 1 font in a PDF document due to an invalid pointer dereference in t1lib.
- 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
- Available
What is CVE-2011-0764?
CVE-2011-0764 is a medium-severity memory corruption vulnerability in Glyphandcog Xpdfreader, published on 31 Mar 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
t1lib 5.1.2 and earlier, as used in Xpdf before 3.02pl6, teTeX, and other products, uses an invalid pointer in conjunction with a dereference operation, which allows remote attackers to execute arbitrary code via a crafted Type 1 font in a PDF document, as demonstrated by testz.2184122398.pdf.
Weakness: CWE-20
Which versions are affected by CVE-2011-0764?
It affects 3 products.
Products include Foolabs Xpdf, Glyphandcog Xpdfreader, T1lib T1lib.
How do I fix CVE-2011-0764?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2011-0764 being exploited?
There is no known exploitation of CVE-2011-0764 in the wild and no public exploit code.
Other vulnerabilities in Glyphandcog Xpdfreader
Sources
Also known as DEBIAN-CVE-2011-0764, GHSA-cw28-q96h-5px5.