4.3

CVE-2014-1558: mozilla firefox

CVSS: 4.3v2.0MediumModified
AliasesUBUNTU-CVE-2014-1558
Published 23-07-2014Last modified 06-08-2024

Vulnerability summary

CVE-2014-1558 is a medium (CVSS 4.3) vulnerability in mozilla firefox. EPSS estimates a 1.17% chance of exploitation in the next 30 days, higher than 66.9% of scored vulnerabilities.

Overall risk
17/100
0100
Low · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v2.0 (NVD)
EPSS score
1.17%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 5 · Related 4

Timeline

  1. 23-07-2014
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

Mozilla Firefox before 31.0 and Thunderbird before 31.0 allow remote attackers to cause a denial of service (X.509 certificate parsing outage) via a crafted certificate that does not use UTF-8 character encoding in a required context, a different vulnerability than CVE-2014-1559.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

1.17%

Chance of exploitation in the next 30 days

Percentile

67%

Versus all other CVEs

30-day change

0.00 pp

From 1.17% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.17%

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

No weakness data has been published for this record.

Affected systems

Mozilla2 products
  • firefox≤ 30.0
  • thunderbird≤ 24.7 | 24.0 | 24.0.1 | 24.1 | 24.1.1 | 24.2 | 24.3 | 24.4 | 24.5 | 24.6
Ubuntu2 products
  • firefox< 31.0+build1-0ubuntu0.14.04.1
  • thunderbird< 1:31.0+build1-0ubuntu0.14.04.1

2 vendors · 4 products

References

11 links
Show all 11 references