OSV-2025-256 Global-buffer-overflow in QByteArray::QByteArray
A global buffer overflow in the KDE archive library allows attackers to cause crashes or potentially execute code via malicious archives.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Not stated
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is OSV-2025-256?
OSV-2025-256 is a memory corruption vulnerability in kimageformats, published on 5 Apr 2025.
Official description
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=408025086
Crash type: Global-buffer-overflow READ 15
Crash state:
QByteArray::QByteArray
KZip::openArchive
KArchive::open
Which versions are affected by OSV-2025-256?
1 open source package ship an affected version, including kimageformats.
| Package | Affected | Fixed in |
|---|---|---|
kimageformats OSS-Fuzz | All versions | None |
How do I fix OSV-2025-256?
No fix has been published for OSV-2025-256 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is OSV-2025-256 being exploited?
There is no known exploitation of OSV-2025-256 in the wild and no public exploit code.