Executive brief
There is a heap-based buffer over-read in the Exiv2::tEXtToDataBuf function of pngimage.cpp in Exiv2 0.27-RC3. A crafted input will lead to a remote denial of service attack.
Affected products
- PyPI exiv2
Junglewise Threat Intelligence
CVE-2018-20096: PYSEC-2018-117 - There is a heap-based buffer over-read in the Exiv2::tEXtToDataBuf function of pngimage.cpp in Exiv2 0.27-RC3. A crafted input will lead to
CVE-2018-20096 · Severity: low · CVSS 3 · Published 2018-12-12
Technologies: exiv2 (PyPI). Vendors: PyPI.
Related threats
- PYSEC-2026-1355 - Exiv2 has quadratic performance in ICC profile parsing in JpegBase::readMetadata
- PYSEC-2026-1354 - Exiv2 Segmentation Faults in Exiv2::EpsImage::writeMetadata() via crafted EPS file
- PYSEC-2026-1353 - Exiv2 allows Use After Free
- PYSEC-2024-107 - Exiv2 is a command-line utility and C++ library for reading, writing, deleting, and modifying the metadata of image files. A denial-of-servi
- PYSEC-2024-106 - Exiv2 is a command-line utility and C++ library for reading, writing, deleting, and modifying the metadata of image files. An out-of-bounds