libexif (0.6.21-2ubuntu0.5) xenial-security; urgency=medium
* SECURITY UPDATE: Out of bounds read
- debian/patches/CVE-2020-0093.patch: fix read
buffer overflow making sure the number of bytes being
copied from does not exceed the source buffer size in
libexif/exif-data.c.
- CVE-2020-0093
* SECURITY UPDATE: Out of bounds read
- debian/patches/CVE-2020-13112.patch: fix MakerNote tag size
overflow check for a size overflow while reading tags in
libexif/canon/exif-mnote-data-canon.c,
libexif/fuji/exif/mnote-data-fuji.c,
libexif/olympus/exif-mnote-data-olympus.c,
libexif/pentax/exif-mnote-data-pentax.c.
- CVE-2020-13112
* SECURITY UPDATE: Possibly crash and potential use-after-free
- debian/patches/CVE-2020-13113.patch: ensures that an uninitialized
pointer is not dereferenced later in the case where the number of
components is 0 in libexif/canon/exif-mnote-data-canon.c,
libexif/fuji/exif-mnote-data-fuji.c,
libexif/olympus/exif-mnote-data-olympus.c,
libexif/pentax/exif-mnote-data-pentax.
- CVE-2020-13113
* SECURITY UPDATE: Denial of service
- debian/patches/CVE-2020-13114.patch: add a failsafe on the
maximum number of Canon MakerNote subtags in
libexif/canon/exif-mnote-data-canon.c.
- CVE-2020-13114
* SECURITY UPDATE: Out of bounds read
- debian/patches/CVE-2020-0182.patch: fix a buffer read
overflow in exif_entry_get_value in libexif/exif-entry.c.
- CVE-2020-0182
* SECURITY UPDATE: Integer overflow
- debian/patches/CVE-2020-0198.patch: fix unsigned integer overflow
in libexif/exif-data.c.
- CVE-2020-0198
Date: 2020-06-10 17:28:15.735125+00:00
Changed-By: [email protected] (Leonidas S. Barbosa)
Signed-By: Ubuntu Archive Robot
<[email protected]>
https://launchpad.net/ubuntu/+source/libexif/0.6.21-2ubuntu0.5
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