CVE-2017-7773: Heap-based Buffer Overflow write in Graphite2 library in Firefox before 54 in lz4::decompress src/Decompressor

High severity · published Apr 15, 2019

CVE-2017-7773

Heap-based Buffer Overflow write in Graphite2 library in Firefox before 54 in lz4::decompress src/Decompressor

8.8

CVSS

1.4%

EPSS

On KEV

Description

Heap-based Buffer Overflow write in Graphite2 library in Firefox before 54 in lz4::decompress src/Decompressor.

CVSS vector

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

Attack vector

Network

Complexity

Low

Privileges

None

User interaction

Required

Confidentiality

High

Integrity

High

Availability

High

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)1.4% · higher than 73% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Firefox · Mozilla

before 54.0 · source: NVD

Graphite2 · Sil

before 1.3.10 · source: NVD

Affected product

Firefox

Mozilla

All Firefox CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2017-7773

CVE.org

https://www.cve.org/CVERecord?id=CVE-2017-7773

Exploit

https://www.mozilla.org/en-US/security/advisories/mfsa2017-15/