9.1

CVE-2017-7774: mozilla firefox Out-of-bounds Read

CVSS: 9.1v3.0CriticalModified
AliasesUBUNTU-CVE-2017-7774DEBIAN-CVE-2017-7774
Published 12-04-2019Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2017-7774 is a critical (CVSS 9.1) Out-of-bounds Read vulnerability in mozilla firefox. EPSS estimates a 1.42% chance of exploitation in the next 30 days, higher than 72.3% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.1/10
010
Critical · v3.0 (NVD)
EPSS score
1.42%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 15 · Related 4
DLA-1007-1DLA-1013-1DLA-991-1DSA-3881-1DSA-3894-1DSA-3918-1

Timeline

  1. 12-04-2019
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

Out-of-bounds read in Graphite2 Library in Firefox before 54 in graphite2::Silf::readGraphite function.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.42%

Chance of exploitation in the next 30 days

Percentile

72%

Versus all other CVEs

30-day change

0.00 pp

From 1.42% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.42%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (mozilla.org)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Ubuntu3 products
  • firefox< 54.0+build3-0ubuntu0.14.04.1 | < 54.0+build3-0ubuntu0.16.04.1
  • graphite2< 1.3.10-0ubuntu0.14.04.1 | < 1.3.10-0ubuntu0.16.04.1
  • thunderbird< 1:52.2.1+build1-0ubuntu0.14.04.1 | < 1:52.2.1+build1-0ubuntu0.16.04.1
Debian2 products
  • firefox-esr< 52.2.0esr-1
  • graphite2< 1.3.10-1
Mozilla1 product
  • firefoxAll versions prior to Firefox 54 | < 54.0
Sil1 product

4 vendors · 7 products

References

7 links