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CVE-2019-19012

CRITICALCVSS 9.8/10EPSS 10.54%

Last modified

CVE-2019-19012 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. An integer overflow in the search_in_range function in regexec.c in Oniguruma 6.x before 6.9.4_rc2 leads to an out-of-bounds read, in which the offset of this read is under the control of an attacker. (This only affects the 32-bit compiled version). EPSS estimates a 10.54% chance of exploitation in the next 30 days.

Description

An integer overflow in the search_in_range function in regexec.c in Oniguruma 6.x before 6.9.4_rc2 leads to an out-of-bounds read, in which the offset of this read is under the control of an attacker. (This only affects the 32-bit compiled version). Remote attackers can cause a denial-of-service or information disclosure, or possibly have unspecified other impact, via a crafted regular expression.

Metrics

CVSS 3.1
9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
10.54%

95.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
Oniguruma ProjectOniguruma>= 6.0.0, <= 6.9.3—
Oniguruma ProjectOniguruma6.9.4Rc1
DebianDebian Linux8.0—
FedoraprojectFedora30—
FedoraprojectFedora31—
RedhatEnterprise Linux8.0—

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2019-19012?
An integer overflow in the search_in_range function in regexec.c in Oniguruma 6.x before 6.9.4_rc2 leads to an out-of-bounds read, in which the offset of this read is under the control of an attacker. (This only affects the 32-bit compiled version). Remote attackers can cause a denial-of-service or information disclosure, or possibly have unspecified other impact, via a crafted regular expression.
How severe is CVE-2019-19012?
CVE-2019-19012 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 10.54% probability of exploitation in the next 30 days.
How do I fix CVE-2019-19012?
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.

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Source: NVD / NIST