CVE-2007-4137 Memory corruption in n/a
A heap-based buffer overflow in the Qt library allows attackers to cause a denial of service via crafted Unicode strings.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2007-4137?
CVE-2007-4137 is a high-severity memory corruption vulnerability in n/a, published on 18 Sep 2007. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Off-by-one error in the QUtf8Decoder::toUnicode function in Trolltech Qt 3 allows context-dependent attackers to cause a denial of service (crash) via a crafted Unicode string that triggers a heap-based buffer overflow. NOTE: Qt 4 has the same error in the QUtf8Codec::convertToUnicode function, but it is not exploitable.
Weakness: CWE-119
Which versions are affected by CVE-2007-4137?
It affects 1 product.
Products include Trolltech Qt.
How do I fix CVE-2007-4137?
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-2007-4137 being exploited?
There is no known exploitation of CVE-2007-4137 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-4hrv-qfhv-9vh5.