CVE-2015-4492: canonical ubuntu_linux
Vulnerability summary
CVE-2015-4492 is a high (CVSS 7.5) vulnerability in canonical ubuntu_linux. EPSS estimates a 4.48% chance of exploitation in the next 30 days, higher than 91.4% 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 10 · Related 7Timeline
- 16-08-2015PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
Use-after-free vulnerability in the XMLHttpRequest::Open implementation in Mozilla Firefox before 40.0 and Firefox ESR 38.x before 38.2 might allow remote attackers to execute arbitrary code via a SharedWorker object that makes recursive calls to the open method of an XMLHttpRequest object.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
4.48%
Chance of exploitation in the next 30 days
Percentile
91%
Versus all other CVEs
30-day change
Decrease -0.57 pp
From 5.05% 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.
Canonical1 product
- ubuntu_linuxEOL12.04 | 14.04 | 15.04
Mozilla1 product
- firefox≤ 39.0.3 | 38.0 | 38.0.1 | 38.0.5 | 38.1.0
Opensuse1 product
- opensuseEOL13.1 | 13.2
Oracle1 product
- solarisEOL11.3
Ubuntu1 product
- firefox< 40.0+build4-0ubuntu0.14.04.1
5 vendors · 5 products
References
22 links- lists.opensuse.org/opensuse-security-announce/2015-08/msg00014.htmlVendor AdvisoryX Refsource SUSEThird Party Advisory
- www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.htmlX Refsource CONFIRMThird Party Advisory
Show all 22 references
- lists.opensuse.org/opensuse-security-announce/2015-08/msg00015.htmlVendor AdvisoryX Refsource SUSEThird Party Advisory