CVE-2018-19870 Information

Description

An issue was discovered in Qt before 5.11.3. A malformed GIF image causes a NULL pointer dereference in QGifHandler resulting in a segmentation fault.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00080.html https://access.redhat.com/errata/RHSA-2019:2135 https://access.redhat.com/errata/RHSA-2019:3390 https://blog.qt.io/blog/2018/12/04/qt-5-11-3-released-important-security-updates/ https://codereview.qt-project.org//c/235998/ https://lists.debian.org/debian-lts-announce/2019/01/msg00004.html https://lists.debian.org/debian-lts-announce/2019/05/msg00014.html https://lists.debian.org/debian-lts-announce/2020/09/msg00023.html https://usn.ubuntu.com/4003-1/ https://www.debian.org/security/2019/dsa-4374

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8