CVE-2015-7197: mozilla firefox
Vulnerability summary
CVE-2015-7197 is a medium (CVSS 5.0) vulnerability in mozilla firefox. EPSS estimates a 2.54% chance of exploitation in the next 30 days, higher than 84.9% of scored vulnerabilities.
Not severe (CVSS 5, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 15 · Related 8Timeline
- 05-11-2015PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
Mozilla Firefox before 42.0 and Firefox ESR 38.x before 38.4 improperly control the ability of a web worker to create a WebSocket object, which allows remote attackers to bypass intended mixed-content restrictions via crafted JavaScript code.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
2.54%
Chance of exploitation in the next 30 days
Percentile
85%
Versus all other CVEs
30-day change
No change 0.00 pp
From 2.54% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.
Ubuntu2 products
- firefox< 42.0+build2-0ubuntu0.14.04.1
- thunderbird< 1:38.4.0+build3-0ubuntu0.14.04.1
Mozilla1 product
- firefox≤ 41.0.2 | 38.0 | 38.0.1 | 38.0.5 | 38.1.0 | 38.1.1 | 38.2.0 | 38.2.1 | 38.3.0
2 vendors · 3 products
References
25 links- bugzilla.mozilla.org/show_bug.cgi?id=1204269X Refsource CONFIRM
Show all 25 references
- www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.htmlX Refsource CONFIRM
- www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.htmlX Refsource CONFIRM