CVE-2018-7731 — NULL Pointer Dereference in Project Exempi

CWE-476 — NULL Pointer Dereference9 documents8 sources
Severity
5.5MEDIUMNVD
EPSS
0.4%
top 41.37%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Exempi Project ExempiCanonical Ubuntu Linux
Timeline
PublishedMar 6
Latest updateMay 13

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.

CVSS vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages2 packages

▶Debianexempi_project/exempi< 2.4.5-1+3

Also affects: Ubuntu Linux 14.04, 16.04, 17.10

Patches

Patch: cgit.freedesktop.org ↗Patch: cgit.freedesktop.org ↗

🔴Vulnerability Details

3
GHSA
GHSA-w7rp-6q39-g7qw: An issue was discovered in Exempi through 2↗2022-05-13
▶
CVEList
CVE-2018-7731: An issue was discovered in Exempi through 2↗2018-03-06
▶
OSV
CVE-2018-7731: An issue was discovered in Exempi through 2↗2018-03-06
▶

📋Vendor Advisories

3
Ubuntu
Exempi vulnerabilities↗2018-06-04
▶
Red Hat
exempi: NULL pointer dereference in XMPFiles/source/FormatSupport/WEBP_Support.cpp:WEBP::VP8XChunk allows for denial of service via crafted file↗2018-02-22
▶
Debian
CVE-2018-7731: exempi - An issue was discovered in Exempi through 2.4.4. XMPFiles/source/FormatSupport/W...↗2018
▶

💬Community

2
Bugzilla
CVE-2018-7731 exempi: NULL pointer dereference in XMPFiles/source/FormatSupport/WEBP_Support.cpp:WEBP::VP8XChunk allows for denial of service via crafted file↗2018-03-14
▶
Bugzilla
CVE-2018-7728 CVE-2018-7729 CVE-2018-7730 CVE-2018-7731 exempi: various flaws [fedora-all]↗2018-03-14
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CVE-2018-7731 — NULL Pointer Dereference | cvebase