exiv2 is vulnerable to denial of service. The vulnerability exists in PngImage::readMetadata
function of pngimage.cpp
due to negative integer overflow which allows an attacker to crash the application via malicious input.
access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.2_release_notes/index
access.redhat.com/errata/RHSA-2020:1577
access.redhat.com/security/updates/classification/#moderate
github.com/Exiv2/exiv2/commit/491c3ebe3b3faa6d8f75fb28146186792c2439da
github.com/Exiv2/exiv2/issues/790
github.com/Exiv2/exiv2/pull/795
lists.fedoraproject.org/archives/list/[email protected]/message/FGBT5OD2TF4AIXJUC56WOUJRHAZLZ4DC/
security-tracker.debian.org/tracker/CVE-2019-13109