CVE-2015-4509: mozilla firefox
Vulnerability summary
CVE-2015-4509 is a high (CVSS 7.5) vulnerability in mozilla firefox. EPSS estimates a 5.39% chance of exploitation in the next 30 days, higher than 92.6% of scored vulnerabilities.
Not severe (CVSS 7.5, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 13 · Related 7Timeline
- 24-09-2015PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
Use-after-free vulnerability in the HTMLVideoElement interface in Mozilla Firefox before 41.0 and Firefox ESR 38.x before 38.3 allows remote attackers to execute arbitrary code via crafted JavaScript code that modifies the URI table of a media element, aka ZDI-CAN-3176.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
5.39%
Chance of exploitation in the next 30 days
Percentile
93%
Versus all other CVEs
30-day change
Decrease -0.69 pp
From 6.08% 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 causeNo weakness data has been published for this record.
Affected systems
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
- firefox38.0 | 38.0.1 | 38.0.5 | 38.1.0 | 38.1.1 | 38.2.0 | 38.2.1 | ≤ 40.0.3
2 vendors · 3 products
References
26 links- www.zerodayinitiative.com/advisories/ZDI-15-646X Refsource MISC
- bugzilla.mozilla.org/show_bug.cgi?id=1198435X Refsource CONFIRM
- www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.htmlX Refsource CONFIRM
- www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.htmlX Refsource CONFIRM
