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CVE-2015-3217

UnknownEPSS 6.17%

Last modified

CVE-2015-3217 is a vulnerability of currently unknown severity. PCRE 7.8 and 8.32 through 8.37, and PCRE2 10.10 mishandle group empty matches, which might allow remote attackers to cause a denial of service (stack-based buffer overflow) via a crafted regular expression, as demonstrated by /^(?:(?(1)\\.|([^\\\\W_])?)+)+$/.. EPSS estimates a 6.17% chance of exploitation in the next 30 days.

Description

PCRE 7.8 and 8.32 through 8.37, and PCRE2 10.10 mishandle group empty matches, which might allow remote attackers to cause a denial of service (stack-based buffer overflow) via a crafted regular expression, as demonstrated by /^(?:(?(1)\\.|([^\\\\W_])?)+)+$/.

Metrics

EPSS Probability
6.17%

92.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
PcrePcre210.10
PcrePcre7.8
PcrePcre8.32
PcrePcre8.33
PcrePcre8.34
PcrePcre8.35
PcrePcre8.36
PcrePcre8.37
IbmPowerkvm2.1
IbmPowerkvm3.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2015-3217?
PCRE 7.8 and 8.32 through 8.37, and PCRE2 10.10 mishandle group empty matches, which might allow remote attackers to cause a denial of service (stack-based buffer overflow) via a crafted regular expression, as demonstrated by /^(?:(?(1)\\.|([^\\\\W_])?)+)+$/.
How severe is CVE-2015-3217?
Severity scoring for CVE-2015-3217 is pending analysis. The EPSS model estimates a 6.17% probability of exploitation in the next 30 days.
How do I fix CVE-2015-3217?
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-2015-3217?

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

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Source: NVD / NIST