CVE-2016-5259
high
CVSS v3
8.8
CVSS v2
6.8
VIR risk
8.8
Description
Use-after-free vulnerability in the CanonicalizeXPCOMParticipant function in Mozilla Firefox before 48.0 and Firefox ESR 45.x before 45.3 allows remote attackers to execute arbitrary code via a script that closes its own Service Worker within a nested sync event loop.
Predictions
Exploit likelihood
92%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2016-5259
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2016-5259.html
Vendor advisory: security@mozilla.org — http://www.mozilla.org/security/announce/2016/mfsa2016-73.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | sid | fixed | 48.0-1 |
| debian | bookworm | fixed | 45.3.0esr-1 |
| debian | bullseye | fixed | 45.3.0esr-1 |
| debian | forky | fixed | 45.3.0esr-1 |
| debian | trixie | fixed | 45.3.0esr-1 |
References
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00004.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00029.html
- http://rhn.redhat.com/errata/RHSA-2016-1551.html
- http://www.debian.org/security/2016/dsa-3640
- http://www.mozilla.org/security/announce/2016/mfsa2016-73.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
- http://www.securityfocus.com/bid/92258
- http://www.securitytracker.com/id/1036508
- http://www.ubuntu.com/usn/USN-3044-1
- https://bugzilla.mozilla.org/show_bug.cgi?id=1282992
- https://security.gentoo.org/glsa/201701-15
- https://www.suse.com/security/cve/CVE-2016-5259.html
- https://security-tracker.debian.org/tracker/CVE-2016-5259
CWEs
CWE-416
Verify integrity in audit chain (admin only). AS-IS.