CVE-2009-0756 Memory corruption in n/a
Remote attackers can cause a denial of service via a crafted PDF file triggering an invalid memory dereference in Poppler.
- 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-2009-0756?
CVE-2009-0756 is a medium-severity memory corruption vulnerability in n/a, published on 3 Mar 2009. 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 JBIG2Stream::readSymbolDictSeg function in Poppler before 0.10.4 allows remote attackers to cause a denial of service (crash) via a PDF file that triggers a parsing error, which is not properly handled by JBIG2SymbolDict::~JBIG2SymbolDict and triggers an invalid memory dereference.
Which versions are affected by CVE-2009-0756?
It affects 1 product.
Products include Poppler Poppler.
How do I fix CVE-2009-0756?
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-2009-0756 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2009-0756 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2009-0756, GHSA-fm5j-vjr3-jf4v.