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CVE-2019-15145

Published: 18 August 2019

DjVuLibre 3.5.27 allows attackers to cause a denial-of-service attack (application crash via an out-of-bounds read) by crafting a corrupted JB2 image file that is mishandled in JB2Dict::JB2Codec::get_direct_context in libdjvu/JB2Image.h because of a missing zero-bytes check in libdjvu/GBitmap.h.

Priority

Low

Cvss 3 Severity Score

5.5

Score breakdown

Status

Package Release Status
djvulibre
Launchpad, Ubuntu, Debian
bionic
Released (3.5.27.1-8ubuntu0.1)
disco
Released (3.5.27.1-10ubuntu0.1)
eoan Not vulnerable
(3.5.27.1-11)
trusty Does not exist

upstream
Released (3.5.27.1-11)
xenial
Released (3.5.27.1-5ubuntu0.1)
Patches:
upstream: https://sourceforge.net/p/djvu/djvulibre-git/ci/9658b01431cd7ff6344d7787f855179e73fe81a7/

Severity score breakdown

Parameter Value
Base score 5.5
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H