CVE-2015-2733: mozilla firefox
Vulnerability summary
CVE-2015-2733 is a high (CVSS 10.0) vulnerability in mozilla firefox. EPSS estimates a 6.14% chance of exploitation in the next 30 days, higher than 93.4% of scored vulnerabilities.
Not severe (CVSS 10, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 9 · Related 7Timeline
- 06-07-2015PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
Use-after-free vulnerability in the CanonicalizeXPCOMParticipant function in Mozilla Firefox before 39.0 and Firefox ESR 31.x before 31.8 and 38.x before 38.1 allows remote attackers to execute arbitrary code via vectors involving attachment of an XMLHttpRequest object to a dedicated worker.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
6.14%
Chance of exploitation in the next 30 days
Percentile
93%
Versus all other CVEs
30-day change
Decrease -0.04 pp
From 6.18% 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.
Mozilla2 products
- firefox≤ 38.1.0 | 31.0 | 31.1.0 | 31.1.1 | 31.3.0 | 31.5.1 | 31.5.2 | 31.5.3 | 38.0
- firefox esr31.1 | 31.2 | 31.3 | 31.4 | 31.5 | 31.6.0 | 31.7.0
Novell2 products
- suse_linux_enterprise_desktop11:sp4 | 12.0
- suse_linux_enterprise_serverEOL12.0
Oracle1 product
- solarisEOL11.3
Ubuntu1 product
- firefox< 39.0+build5-0ubuntu0.14.04.1
4 vendors · 6 products
References
21 links- lists.opensuse.org/opensuse-security-announce/2015-07/msg00033.htmlVendor AdvisoryX Refsource SUSEThird Party Advisory
- www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.htmlX Refsource CONFIRMThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2015-07/msg00034.htmlVendor AdvisoryX Refsource SUSEThird Party Advisory
Show all 21 references
- www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.htmlX Refsource CONFIRMThird Party Advisory