CVE-2016-1960

high
Published 2016-03-13 · Modified 2026-05-06
CVSS v3
8.8
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
VIR risk
8.8

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.

Predictions

Exploit likelihood
92%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No vendor mitigations ingested yet for this CVE. The mitigation-content worker queues fetches as references arrive — check back in a few minutes, or see the references list below.

OS impact

OSVersionStatusFixed in
debian debiansidfixed45.0-1
debian debianbookwormfixed45.0esr-1
debian debianbullseyefixed45.0esr-1
debian debianforkyfixed45.0esr-1
debian debiantrixiefixed45.0esr-1
suse suse42.1affected
suse suse13.1affected
suse suse13.2affected

Application impact

VendorProductVersionsFixed
mozilla mozillafirefox{"endIncluding":"44.0.2"}
mozilla mozillafirefox38.0
mozilla mozillafirefox38.0.1
mozilla mozillafirefox38.0.5
mozilla mozillafirefox38.1.0
mozilla mozillafirefox38.1.1
mozilla mozillafirefox38.2.0
mozilla mozillafirefox38.2.1
mozilla mozillafirefox38.3.0
mozilla mozillafirefox38.4.0
mozilla mozillafirefox38.5.0
mozilla mozillafirefox38.5.1
mozilla mozillafirefox38.6.0
mozilla mozillafirefox38.6.1
mozilla mozillathunderbird{"endIncluding":"38.6.0"}

References

💬 Discuss CVE-2016-1960 on VIR Community →

Community-verified mitigations for this CVE will appear above when contributors publish them.

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