Out-of-bounds Read in Mozilla Firefox
CVE-2017-7774
Out-of-bounds read in Graphite2 Library in Firefox before 54 in graphite2::Silf::readGraphite function.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.
EPSS exploit prediction
EPSS: 0.014 (71.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 71.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000
Affected products
- Mozilla Firefox — versions All versions prior to Firefox 54
- Sil Graphite2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.mozilla.org/en-US/security/advisories/mfsa2017-15/ (Exploit, Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2017-7774?
- CVE-2017-7774 is a critical-severity vulnerability in Mozilla Firefox, classified under Out-of-bounds Read. CVSS score: 9.1/10. Published 2019-04-15.
- How severe is CVE-2017-7774?
- Critical severity. CVSS v3 base score is 9.1 out of 10.
- Is CVE-2017-7774 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.