title: Red Hat Security Advisory: exiv2 security, bug fix, and enhancement update
description: exiv2: null pointer dereference in the Exiv2::DataValue::toLong function in value.cpp exiv2: Excessive memory allocation in Exiv2::Jp2Image::readMetadata function in jp2image.cpp exiv2: assertion failure in BigTiffImage::readData in bigtiffimage.cpp exiv2: divide by zero in BigTiffImage::printIFD in bigtiffimage.cpp exiv2: out of bounds read in IptcData::printStructure in iptc.c exiv2: out of bounds read in IptcData::printStructure in iptc.c exiv2: OOB read in pngimage.cpp:tEXtToDataBuf() allows for crash via crafted file exiv2: information leak via a crafted file exiv2: buffer overflow in samples/geotag.cpp exiv2: heap-based buffer overflow in Exiv2::d2Data in types.cpp exiv2: heap-based buffer overflow in Exiv2::ul2Data in types.cpp exiv2: NULL pointer dereference in Exiv2::DataValue::copy in value.cpp leading to application crash exiv2: Stack overflow in CiffDirectory::readDirectory() at crwimage_int.cpp leading to denial of service exiv2: infinite loop in Exiv2::Image::printIFDStructure function in image.cpp exiv2: heap-based buffer over-read in Exiv2::IptcParser::decode in iptc.cpp exiv2: infinite loop in Exiv2::PsdImage::readMetadata in psdimage.cpp exiv2: heap-based buffer over-read in PngChunk::readRawProfile in pngchunk_int.cpp exiv2: NULL pointer dereference in Exiv2::isoSpeed in easyaccess.cpp exiv2: Heap-based buffer over-read in Exiv2::tEXtToDataBuf function resulting in a denial of service exiv2: Segmentation fault in Exiv2::Internal::TiffParserWorker::findPrimaryGroups function exiv2: Heap-based buffer over-read in Exiv2::Jp2Image::encodeJp2Header resulting in a denial of service exiv2: Infinite loop in Exiv2::Jp2Image::encodeJp2Header resulting in a denial of service exiv2: infinite recursion in Exiv2::Image::printTiffStructure in file image.cpp resulting in denial of service exiv2: denial of service in PngImage::readMetadata exiv2: integer overflow in WebPImage::decodeChunks leads to denial of service exiv2: uncontrolled memory allocation in PngChunk::parseChunkContent causing denial of service exiv2: invalid data location in CRW image file causing denial of service exiv2: null-pointer dereference in http.c causing denial of service exiv2: infinite loop and hang in Jp2Image::readMetadata() in jp2image.cpp could lead to DoS
cpes: cpe:/a:redhat:enterprise_linux:8::appstream cpe:/a:redhat:enterprise_linux:8::crb