CVE-2016-2819
Description
Heap-based buffer overflow in Mozilla Firefox before 47.0 and Firefox ESR 45.x before 45.2 allows remote attackers to execute arbitrary code via foreign-context HTML5 fragments, as demonstrated by fragments within an SVG element.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Exploits
Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.
Exploit-DB
Firefox 46.0.1 - ASM.JS JIT-Spray Remote Code Execution
OS impact
SUSE Affected 4 releases
| Version | Status | Fixed in |
|---|---|---|
| 42.1 | Affected | — |
| 13.2 | Affected | — |
| 13.1 | Affected | — |
| — | Affected | — |
Ubuntu Affected 4 releases
| Version | Status | Fixed in |
|---|---|---|
| 16.04 | Affected | — |
| 15.10 | Affected | — |
| 14.04 | Affected | — |
| 12.04 | Affected | — |
Debian Mixed 6 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 45.2.0esr-1 |
| sid | Fixed | 47.0-1 |
| forky | Fixed | 45.2.0esr-1 |
| bullseye | Fixed | 45.2.0esr-1 |
| bookworm | Fixed | 45.2.0esr-1 |
| 8.0 | Affected | — |
References
- https://www.suse.com/security/cve/CVE-2016-2819.html
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00014.html
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00016.html
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00055.html
- http://www.debian.org/security/2016/dsa-3600
- http://www.mozilla.org/security/announce/2016/mfsa2016-50.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
- http://www.securityfocus.com/bid/91075
- http://www.securitytracker.com/id/1036057
- http://www.ubuntu.com/usn/USN-2993-1
- https://access.redhat.com/errata/RHSA-2016:1217
- https://bugzilla.mozilla.org/show_bug.cgi?id=1270381
- https://www.exploit-db.com/exploits/44293/
- https://security-tracker.debian.org/tracker/CVE-2016-2819
CWEs
CWE-119
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.