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CVE-2018-19876

Date: December 5, 2018

cairo 1.16.0, in cairo_ft_apply_variations() in cairo-ft-font.c, would free memory using a free function incompatible with WebKit's fastMalloc, leading to an application crash with a "free(): invalid pointer" error.

Language: C

Severity Score

6.5

Related Resources (7)

Url: https://bugs.webkit.org/show_bug.cgi?id=191595

Url: https://gitlab.freedesktop.org/cairo/cairo/merge_requests/5

Url: https://security-tracker.debian.org/tracker/CVE-2018-19876

Url: https://security.alpinelinux.org/vuln/CVE-2018-19876

Url: https://nvd.nist.gov/vuln/detail/CVE-2018-19876

Url: https://access.redhat.com/security/cve/CVE-2018-19876

Url: https://www.mend.io/vulnerability-database/CVE-2018-19876

Severity Score

6.5

Weakness Type (CWE)

Use After Free

CWE-416

CVSS v3.1

Base Score:	6.5
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	REQUIRED
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

CVSS v2

Base Score:	4.3
Access Vector (AV):	NETWORK
Access Complexity (AC):	MEDIUM
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	PARTIAL
Additional information:

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