5.3

CVE-2017-7842: mozilla firefox

CVSS: 5.3v3.0MediumModified
AliasesUBUNTU-CVE-2017-7842
Published 11-06-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2017-7842 is a medium (CVSS 5.3) vulnerability in mozilla firefox. EPSS estimates a 1.51% chance of exploitation in the next 30 days, higher than 74.1% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.0 (NVD)
EPSS score
1.51%
0%100%
Low · -0.03 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 3 · Related 3
OPENSUSE-SU-2024:10600-1OPENSUSE-SU-2024:14572-1USN-3477-1

Timeline

  1. 11-06-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

If a document's Referrer Policy attribute is set to "no-referrer" sometimes two network requests are made for "<link>" elements instead of one. One of these requests includes the referrer instead of respecting the set policy to not include a referrer on requests. This vulnerability affects Firefox < 57.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.51%

Chance of exploitation in the next 30 days

Percentile

74%

Versus all other CVEs

30-day change

-0.03 pp

From 1.54% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.51%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Mozilla1 product
  • firefox≥ unspecified, < 57 | ≤ 56.0.2
Ubuntu1 product
  • firefox< 57.0+build4-0ubuntu0.14.04.4 | < 57.0+build4-0ubuntu0.16.04.5 | < 57.0.1+build2-0ubuntu1

2 vendors · 2 products

References

8 links