Heap-use-after-free vulnerability in ghostscript
Summary
OSV-2024-577: Heap-use-after-free in sputs. Affects ghostscript versions >= 69f8e47f0c9dbe07d0aceb1edb3c3b9e29e2a622, < f22ed6ee7384b5e2ab5b46f6bd8bab8c8ff23849. Fixed in f22ed6ee7384b5e2ab5b46f6bd8bab8c8ff23849. How to fix ↓
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Background
Ghostscript is an open-source interpreter for the PostScript language and the PDF file format. It is widely used for rendering and converting documents in various applications. The vulnerability in question is a heap-use-after-free issue that has been identified in the 'sputs' function of Ghostscript.
Vulnerability Detail
The heap-use-after-free vulnerability occurs when a program attempts to access memory that has already been freed. In this case, the vulnerability is triggered in the 'sputs' function, leading to a crash. An attacker could potentially exploit this vulnerability to execute arbitrary code or cause a denial-of-service condition. The vulnerability was discovered through OSS-Fuzz, and more details can be found in the provided link.
How To Fix
Minimum fixed version
f22ed6ee7384b5e2ab5b46f6bd8bab8c8ff23849
This is the first release that contains the fix.
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Workaround
At the moment, there is no known workaround for this vulnerability. It is crucial to update to the patched version of Ghostscript as soon as possible.
Conclusion
In conclusion, the heap-use-after-free vulnerability in Ghostscript can be mitigated by updating to the latest patched version of the software. It is crucial to promptly apply the necessary updates to ensure the security and stability of systems using Ghostscript. For further assistance or support in vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for ghostscript →
FAQ
Ghostscript is an open-source interpreter for the PostScript language and the PDF file format. It is commonly used for rendering and converting documents.
A heap-use-after-free vulnerability occurs when a program tries to access memory that has already been freed. It can lead to crashes or potentially allow an attacker to execute arbitrary code.
This vulnerability was discovered through OSS-Fuzz, a continuous fuzzing service for open-source software. More details can be found in the provided link.
If exploited, this vulnerability could allow an attacker to execute arbitrary code or cause a denial-of-service condition on systems running the vulnerable version of Ghostscript.
Currently, there is no known workaround for this vulnerability. It is recommended to update to the patched version of Ghostscript.
References
Related vulnerabilities
Recent vulnerabilities recorded for ghostscript.
