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CVE-2015-2327

UnknownEPSS 4.05%

Last modified

CVE-2015-2327 is a vulnerability of currently unknown severity. PCRE before 8.36 mishandles the /(((a\2)|(a*)\g<-1>))*/ pattern and related patterns with certain internal recursive back references, which allows remote attackers to cause a denial of service (segmentation fault) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror.. EPSS estimates a 4.05% chance of exploitation in the next 30 days.

Description

PCRE before 8.36 mishandles the /(((a\2)|(a*)\g<-1>))*/ pattern and related patterns with certain internal recursive back references, which allows remote attackers to cause a denial of service (segmentation fault) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror.

Metrics

EPSS Probability
4.05%

89.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
PcrePerl Compatible Regular Expression Library<= 8.35

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2015-2327?
PCRE before 8.36 mishandles the /(((a\2)|(a*)\g<-1>))*/ pattern and related patterns with certain internal recursive back references, which allows remote attackers to cause a denial of service (segmentation fault) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror.
How severe is CVE-2015-2327?
Severity scoring for CVE-2015-2327 is pending analysis. The EPSS model estimates a 4.05% probability of exploitation in the next 30 days.
How do I fix CVE-2015-2327?
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-2015-2327?

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

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Source: NVD / NIST