CVE-2016-5271
medium
CVSS v3
6.5
CVSS v2
4.3
VIR risk
6.5
Description
The PropertyProvider::GetSpacingInternal function in Mozilla Firefox before 49.0 allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via text runs in conjunction with a "display: contents" Cascading Style Sheets (CSS) property.
Predictions
Exploit likelihood
75%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2016-5271
Vendor advisory: security@mozilla.org — http://www.mozilla.org/security/announce/2016/mfsa2016-85.html
Vendor advisory: arch — https://security.archlinux.org/ASA-201609-22
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 49.0-1 | |
| debian | sid | fixed | 49.0-1 |
| debian | bookworm | fixed | 0 |
| debian | bullseye | fixed | 0 |
| debian | forky | fixed | 0 |
| debian | trixie | fixed | 0 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| mozilla | firefox | {"endIncluding":"48.0.2"} | |
References
- https://security.archlinux.org/ASA-201609-22
- http://www.mozilla.org/security/announce/2016/mfsa2016-85.html
- http://www.securityfocus.com/bid/93052
- http://www.securitytracker.com/id/1036852
- https://bugzilla.mozilla.org/show_bug.cgi?id=1288946
- https://security.gentoo.org/glsa/201701-15
- https://security-tracker.debian.org/tracker/CVE-2016-5271
CWEs
CWE-125
Verify integrity in audit chain (admin only). AS-IS.