6.8

CVE-2019-11738: mozilla firefox

CVSS: 6.8v2.0MediumModified
AliasesUBUNTU-CVE-2019-11738DEBIAN-CVE-2019-11738
Published 27-09-2019Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2019-11738 is a medium (CVSS 6.8) vulnerability in mozilla firefox. EPSS estimates a 1.45% chance of exploitation in the next 30 days, higher than 72.9% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
37/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.8/10
010
Medium · v2.0 (NVD)
EPSS score
1.45%
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 10 · Related 8
MGASA-2019-0268OPENSUSE-SU-2019:2251-1OPENSUSE-SU-2019:2260-1OPENSUSE-SU-2024:10600-1OPENSUSE-SU-2024:14572-1RHSA-2019:2663

Timeline

  1. 27-09-2019
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

If a Content Security Policy (CSP) directive is defined that uses a hash-based source that takes the empty string as input, execution of any javascript: URIs will be allowed. This could allow for malicious JavaScript content to be run, bypassing CSP permissions. This vulnerability affects Firefox < 69 and Firefox ESR < 68.1.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.45%

Chance of exploitation in the next 30 days

Percentile

73%

Versus all other CVEs

30-day change

0.00 pp

From 1.45% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.45%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (bugzilla.mozilla.org)

    Maturity: unknown

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Ubuntu3 products
  • firefox< 69.0+build2-0ubuntu0.16.04.4 | < 69.0+build2-0ubuntu0.18.04.1
  • mozjs38All versions (No fix recorded)
  • mozjs52All versions (No fix recorded)
Mozilla2 products
Debian1 product
  • firefox-esr< 68.1.0esr-1
Opensuse1 product

4 vendors · 7 products

References

10 links