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CVE-2016-1974

UnknownEPSS 2.98%

Last modified

CVE-2016-1974 is a vulnerability of currently unknown severity. The nsScannerString::AppendUnicodeTo function in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.7 does not verify that memory allocation succeeds, which allows remote attackers to execute arbitrary code or cause a denial of service (out-of-bounds read) via crafted Unicode data in an HTML, XML, or SVG document.. EPSS estimates a 2.98% chance of exploitation in the next 30 days.

Description

The nsScannerString::AppendUnicodeTo function in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.7 does not verify that memory allocation succeeds, which allows remote attackers to execute arbitrary code or cause a denial of service (out-of-bounds read) via crafted Unicode data in an HTML, XML, or SVG document.

Metrics

EPSS Probability
2.98%

85.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
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
OracleLinux5.0
OracleLinux6
OracleLinux7
OpensuseLeap42.1
OpensuseOpensuse13.1
OpensuseOpensuse13.2
SuseLinux Enterprise12.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2016-1974?
The nsScannerString::AppendUnicodeTo function in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.7 does not verify that memory allocation succeeds, which allows remote attackers to execute arbitrary code or cause a denial of service (out-of-bounds read) via crafted Unicode data in an HTML, XML, or SVG document.
How severe is CVE-2016-1974?
Severity scoring for CVE-2016-1974 is pending analysis. The EPSS model estimates a 2.98% probability of exploitation in the next 30 days.
How do I fix CVE-2016-1974?
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-2016-1974?

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

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Source: NVD / NIST