Debian LTS: Security Advisory for openjpeg2 (DLA-2975-1)

The remote host is missing an update for the 'openjpeg2' package(s) announced via the DLA-2975-1 advisory.

Multiple vulnerabilities have been discovered in openjpeg2, the open-source JPEG 2000 codec. CVE-2020-27842 Null pointer dereference through specially crafted input. The highest impact of this flaw is to application availability. CVE-2020-27843 The flaw allows an attacker to provide specially crafted input to the conversion or encoding functionality, causing an out-of-bounds read. The highest threat from this vulnerability is system availability. CVE-2021-29338 Integer overflow allows remote attackers to crash the application, causing a denial of service. This occurs when the attacker uses the command line option '-ImgDir' on a directory that contains 1048576 files. CVE-2022-1122 Input directory with a large number of files can lead to a segmentation fault and a denial of service due to a call of free() on an uninitialized pointer.

'openjpeg2' package(s) on Debian Linux.

Checks if a vulnerable package version is present on the target host.

For Debian 9 stretch, these problems have been fixed in version 2.1.2-1.1+deb9u7. We recommend that you upgrade your openjpeg2 packages.