CVE-2021-39520

An issue was discovered in libjpeg through 2020021. A NULL pointer dereference exists in the function BlockBitmapRequester::PushReconstructedData located in blockbitmaprequester.cpp. It allows an attacker to cause Denial of Service...

UBUNTU-CVE-2021-39517

An issue was discovered in libjpeg through 2020021. A NULL pointer dereference exists in the function BlockBitmapRequester::ReconstructUnsampled located in blockbitmaprequester.cpp. It allows an attacker to cause Denial of Service...

UBUNTU-CVE-2021-39520

An issue was discovered in libjpeg through 2020021. A NULL pointer dereference exists in the function BlockBitmapRequester::PushReconstructedData located in blockbitmaprequester.cpp. It allows an attacker to cause Denial of Service...

libjpeg 代码问题漏洞

libjpeg is a free library written entirely in C to handle the JPEG image data format. libjpeg 2020021 and earlier versions of blockbitmaprequester.cpp contain the BlockBitmapRequester::ReconstructUnsampled function is vulnerable to a null pointer dereference. An attacker could exploit this...

Linux kernel 'ext4_valid_block_bitmap' function denial of service vulnerability

Linux kernel is the kernel used by Linux, the open source operating system released by the Linux Foundation in the United States. A security vulnerability exists in the 'ext4validblockbitmap' function in the fs/ext4/balloc.c file in Linux kernel version 4.15.15 and earlier, which stems from the...