CVE-2017-7772 : Heap-based Buffer Overflow in Graphite2 library in Firefox before 54 in lz4::dec

Heap-based Buffer Overflow in Graphite2 library in Firefox before 54 in lz4::decompress function.

Published 2019-04-12 18:29:00

Updated 2019-04-15 19:57:09

Source Mozilla Corporation

View at NVD, CVE.org

Vulnerability category: Overflow

Products affected by CVE-2017-7772

Mozilla » Firefox
Versions before (<) 54.0
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
Matching versions
SIL » Graphite2
Versions before (<) 1.3.10
cpe:2.3:a:sil:graphite2:*:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.48%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 62 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
6.8	MEDIUM	AV:N/AC:M/Au:N/C:P/I:P/A:P	8.6	6.4	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
8.8	HIGH	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H	2.8	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

Assigned by: nvd@nist.gov (Primary)

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