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CVE-2020-13113

Published: 21 May 2020

An issue was discovered in libexif before 0.6.22. Use of uninitialized memory in EXIF Makernote handling could lead to crashes and potential use-after-free conditions.

Priority

Medium

Cvss 3 Severity Score

8.2

Score breakdown

Status

Package Release Status
libexif
Launchpad, Ubuntu, Debian
bionic
Released (0.6.21-4ubuntu0.5)
eoan
Released (0.6.21-5.1ubuntu0.5)
focal
Released (0.6.21-6ubuntu0.3)
trusty
Released (0.6.21-1ubuntu1+esm5)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
upstream Needs triage

xenial
Released (0.6.21-2ubuntu0.5)
Patches:
upstream: https://github.com/libexif/libexif/commit/ec412aa4583ad71ecabb967d3c77162760169d1f (0.6.22)

Severity score breakdown

Parameter Value
Base score 8.2
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality Low
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H