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CVE-2014-1538: mozilla firefox

CVSS: 10.0v2.0HighModified
AliasesUBUNTU-CVE-2014-1538
Published 11-06-2014Last modified 06-08-2024

Vulnerability summary

CVE-2014-1538 is a high (CVSS 10.0) vulnerability in mozilla firefox. EPSS estimates a 4.91% chance of exploitation in the next 30 days, higher than 92% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
10.0/10
010
High · v2.0 (NVD)
EPSS score
4.91%
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 10 · Related 4

Timeline

  1. 11-06-2014
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

Use-after-free vulnerability in the nsTextEditRules::CreateMozBR function in Mozilla Firefox before 30.0, Firefox ESR 24.x before 24.6, and Thunderbird before 24.6 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via unspecified vectors.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

4.91%

Chance of exploitation in the next 30 days

Percentile

92%

Versus all other CVEs

30-day change

0.00 pp

From 4.91% on 20-09-2026

20-09-202620-10-2026
EPSS score
4.91%

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

Mozilla3 products
  • firefox≤ 29.0.1 | 24.0 | 24.0.1 | 24.0.2 | 24.1.0 | 24.1.1
  • firefox_esr24.2 | 24.3 | 24.4 | 24.5
  • thunderbird≤ 24.5 | 24.0 | 24.0.1 | 24.1 | 24.1.1 | 24.2 | 24.3 | 24.4
Ubuntu2 products
  • firefox< 30.0+build1-0ubuntu0.14.04.3
  • thunderbird< 1:24.6.0+build1-0ubuntu0.14.04.1

2 vendors · 5 products

References

41 links
Show all 41 references