CVE-2016-1960 EXPLOIT
8.8
HIGH · CVSS 3.0 · EPSS 30.9% (pctl 98)
Patch early
A public exploit exists.
Description
Integer underflow in the nsHtml5TreeBuilder class in the HTML5 string parser in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.7 allows remote attackers to execute arbitrary code or cause a denial of service (use-after-free) by leveraging mishandling of end tags, as demonstrated by incorrect SVG processing, aka ZDI-CAN-3545.
Scoring
| CVSS | 8.8 (HIGH, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| EPSS | 30.95% — more likely to be exploited than 98% of all CVEs |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2016-03-13 |
| Last modified | 2026-06-17 |
Affected (6)
| Vendor | Product |
|---|---|
| mozilla | firefox |
| mozilla | thunderbird |
| opensuse | leap |
| opensuse | opensuse |
| oracle | linux |
| suse | linux enterprise |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Firefox 44.0.2 - ASM.JS JIT-Spray Remote Code Execution | 2018-03-16 |
| exploit-db | Mozilla Firefox < 45.0 - 'nsHtml5TreeBuilder' Use-After-Free (EMET 5.52 Bypass) | 2017-08-18 |
References
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00027.html
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00029.html
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00031.html
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00050.html
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00068.html
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00089.html
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00091.html
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00093.html
- http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00006.html
- http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00007.html
- http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00008.html
- http://www.debian.org/security/2016/dsa-3510
- http://www.debian.org/security/2016/dsa-3520
- http://www.mozilla.org/security/announce/2016/mfsa2016-23.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
- http://www.securitytracker.com/id/1035215
- http://www.ubuntu.com/usn/USN-2917-1
- http://www.ubuntu.com/usn/USN-2917-2
- http://www.ubuntu.com/usn/USN-2917-3
- http://www.ubuntu.com/usn/USN-2934-1
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