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CVE-2016-1960

UnknownEPSS 31.05%

Last modified

CVE-2016-1960 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 31.05% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
31.05%

98.0th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
OracleLinux5.0
OracleLinux6
OracleLinux7
MozillaFirefox<= 44.0.2
MozillaFirefox38.0
MozillaFirefox38.0.1
MozillaFirefox38.0.5
MozillaFirefox38.1.0
MozillaFirefox38.1.1
MozillaFirefox38.2.0
MozillaFirefox38.2.1
MozillaFirefox38.3.0
MozillaFirefox38.4.0
MozillaFirefox38.5.0
MozillaFirefox38.5.1
MozillaFirefox38.6.0
MozillaFirefox38.6.1
MozillaThunderbird<= 38.6.0
OpensuseLeap42.1
OpensuseOpensuse13.1
OpensuseOpensuse13.2
SuseLinux Enterprise12.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2016-1960?
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.
How severe is CVE-2016-1960?
Severity scoring for CVE-2016-1960 is pending analysis. The EPSS model estimates a 31.05% probability of exploitation in the next 30 days.
How do I fix CVE-2016-1960?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-1960?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST