CVE-2018-7731

medium

Description

An issue was discovered in Exempi through 2.4.4. XMPFiles/source/FormatSupport/WEBP_Support.cpp does not check whether a bitstream has a NULL value, leading to a NULL pointer dereference in the WEBP::VP8XChunk class.

References

https://bugs.freedesktop.org/show_bug.cgi?id=105247

https://cgit.freedesktop.org/exempi/commit/?id=aabedb5e749dd59112a3fe1e8e08f2d934f56666

https://lists.fedoraproject.org/archives/list/[email protected]/message/BCFXKOOATZ2B5G3G7EBXZWVZHEABN4ZV/

https://usn.ubuntu.com/3668-1/

Details

Source: MITRE

Published: 2018-03-06

Updated: 2020-10-26

Type: CWE-476

Risk Information

CVSS v2

Base Score: 4.3

Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P

Impact Score: 2.9

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3

Base Score: 5.5

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

Impact Score: 3.6

Exploitability Score: 1.8

Severity: MEDIUM