CVE-2011-1553 Use after free in n/a
Remote attackers can cause a denial of service via a crafted PDF document exploiting a use-after-free flaw in the t1lib library.
- 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-2011-1553?
CVE-2011-1553 is a medium-severity use after free 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
Use-after-free vulnerability in t1lib 5.1.2 and earlier, as used in Xpdf before 3.02pl6, teTeX, and other products, allows remote attackers to cause a denial of service (application crash) via a PDF document containing a crafted Type 1 font that triggers an invalid memory write, a different vulnerability than CVE-2011-0764.
Weakness: CWE-399
Which versions are affected by CVE-2011-1553?
It affects 3 products.
Products include Foolabs Xpdf, Glyphandcog Xpdfreader, T1lib T1lib.
How do I fix CVE-2011-1553?
Upgrade to a fixed version.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2011-1553 being exploited?
There is no known exploitation of CVE-2011-1553 in the wild and no public exploit code.
Other vulnerabilities in Glyphandcog Xpdfreader
Sources
Also known as DEBIAN-CVE-2011-1553, GHSA-6xpf-26gh-gvp9.