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CVE-2017-12883

UnknownEPSS 5.91%

Last modified

CVE-2017-12883 is a vulnerability of currently unknown severity. Buffer overflow in the S_grok_bslash_N function in regcomp.c in Perl 5 before 5.24.3-RC1 and 5.26.x before 5.26.1-RC1 allows remote attackers to disclose sensitive information or cause a denial of service (application crash) via a crafted regular expression with an invalid '\N{U+...}' escape.. EPSS estimates a 5.91% chance of exploitation in the next 30 days.

Description

Buffer overflow in the S_grok_bslash_N function in regcomp.c in Perl 5 before 5.24.3-RC1 and 5.26.x before 5.26.1-RC1 allows remote attackers to disclose sensitive information or cause a denial of service (application crash) via a crafted regular expression with an invalid '\N{U+...}' escape.

Metrics

EPSS Probability
5.91%

92.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
PerlPerl<= 5.24.2
PerlPerl5.26.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2017-12883?
Buffer overflow in the S_grok_bslash_N function in regcomp.c in Perl 5 before 5.24.3-RC1 and 5.26.x before 5.26.1-RC1 allows remote attackers to disclose sensitive information or cause a denial of service (application crash) via a crafted regular expression with an invalid '\N{U+...}' escape.
How severe is CVE-2017-12883?
Severity scoring for CVE-2017-12883 is pending analysis. The EPSS model estimates a 5.91% probability of exploitation in the next 30 days.
How do I fix CVE-2017-12883?
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-2017-12883?

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

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Source: NVD / NIST