Fixes the following security issues:
- CVE-2016-6328: A vulnerability was found in libexif. An integer overflow
when parsing the MNOTE entry data of the input file. This can cause
Denial-of-Service (DoS) and Information Disclosure (disclosing some
critical heap chunk metadata, even other applications' private data).
- CVE-2017-7544: libexif through 0.6.21 is vulnerable to out-of-bounds heap
read vulnerability in exif_data_save_data_entry function in
libexif/exif-data.c caused by improper length computation of the allocated
data of an ExifMnote entry which can cause denial-of-service or possibly
information disclosure.
- CVE-2018-20030: 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.
- CVE-2019-9278: In libexif, there is a possible out of bounds write due to
an integer overflow. This could lead to remote escalation of privilege in
the media content provider with no additional execution privileges needed.
User interaction is needed for exploitation.
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
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