CVE-2015-2722

critical
Published 2015-07-06 · Modified 2026-05-06
CVSS v3
CVSS v2
10.0
VIR risk
10.0

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 shared worker.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: security@mozilla.org — https://bugzilla.mozilla.org/show_bug.cgi?id=1166924

vendor Authored 2026-05-27

Vendor advisory: security@mozilla.org — http://www.mozilla.org/security/announce/2015/mfsa2015-65.html

OS impact

OSVersionStatusFixed in
suse suse11affected
suse suse12.0affected

Application impact

VendorProductVersionsFixed
mozillafirefox31.0
mozillafirefox31.1.0
mozillafirefox31.1.1
mozillafirefox31.3.0
mozillafirefox31.5.1
mozillafirefox31.5.2
mozillafirefox31.5.3
mozillafirefox38.0
mozillafirefox_esr31.1
mozillafirefox_esr31.2
mozillafirefox_esr31.3
mozillafirefox_esr31.4
mozillafirefox_esr31.5
mozillafirefox_esr31.6.0
mozillafirefox_esr31.7.0
mozillafirefox{"endIncluding":"38.1.0"}
novellsuse_linux_enterprise_software_development_kit12.0

References

Verify integrity in audit chain (admin only). AS-IS.