CVE-2018-20797: Buffer Overflow
First published: Wed Feb 27 2019(Updated: )
An issue was discovered in PoDoFo 0.9.6. There is an attempted excessive memory allocation in PoDoFo::podofo_calloc in base/PdfMemoryManagement.cpp when called from PoDoFo::PdfPredictorDecoder::PdfPredictorDecoder in base/PdfFiltersPrivate.cpp.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/libpodofo | <=0.9.7+dfsg-2<=0.9.8+dfsg-3<=0.9.8+dfsg-3.2 | |
| PoDoFo | =0.9.6 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2018-20797?
CVE-2018-20797 is classified as a high severity vulnerability due to the potential for excessive memory allocation.
How do I fix CVE-2018-20797?
To remediate CVE-2018-20797, upgrade to a version of PoDoFo that is newer than 0.9.8.
What software is affected by CVE-2018-20797?
CVE-2018-20797 affects PoDoFo version 0.9.6 and certain versions of the libpodofo package.
What is the potential impact of CVE-2018-20797?
The potential impact of CVE-2018-20797 includes denial of service due to excessive memory allocation.
When was CVE-2018-20797 last updated?
CVE-2018-20797 was last updated on January 20, 2025.
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