An error when processing the EXIF_IFD_INTEROPERABILITY and EXIF_IFD_EXIF tags within libexif version 0.6.21 can be exploited to exhaust available CPU resources.
[
{
"product": "libexif",
"vendor": "Flexera Software LLC",
"versions": [
{
"status": "affected",
"version": "0.6.21"
}
]
}
]
lists.opensuse.org/opensuse-security-announce/2020-03/msg00000.html
lists.opensuse.org/opensuse-security-announce/2020-06/msg00017.html
github.com/libexif/libexif/commit/6aa11df549114ebda520dde4cdaea2f9357b2c89
lists.debian.org/debian-lts-announce/2020/05/msg00016.html
lists.debian.org/debian-lts-announce/2020/05/msg00025.html
secuniaresearch.flexerasoftware.com/secunia_research/2018-28/
usn.ubuntu.com/4358-1/