7.5

CVE-2015-4500: mozilla firefox

Modified
AliasesUBUNTU-CVE-2015-4500
Published 24-09-2015Last modified 06-08-2024

Vulnerability summary

CVE-2015-4500 is a high (CVSS 7.5) vulnerability in mozilla firefox. EPSS estimates a 4.26% chance of exploitation in the next 30 days, higher than 91% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 7.5, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.5/10
010
High · v2.0 (NVD)
EPSS score
4.26%
0%100%
Low · -0.50 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 13 · Related 7
DSA-3365-1MGASA-2015-0382MGASA-2015-0387MGASA-2015-0414OPENSUSE-SU-2024:10071-1OPENSUSE-SU-2024:10230-1

Timeline

  1. 24-09-2015
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 41.0 and Firefox ESR 38.x before 38.3 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

4.26%

Chance of exploitation in the next 30 days

Percentile

91%

Versus all other CVEs

30-day change

Decrease -0.50 pp

From 4.76% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.

Ubuntu2 products
  • firefox< 41.0+build3-0ubuntu0.14.04.1
  • thunderbird< 1:38.3.0+build1-0ubuntu0.14.04.1
Mozilla1 product
  • firefox≤ 40.0.3 | 38.0 | 38.0.1 | 38.0.5 | 38.1.0 | 38.1.1 | 38.2.0 | 38.2.1

2 vendors · 3 products

References

32 links
Show all 32 references