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CVE-2019-9192

UnknownEPSS 2.45%

Last modified

CVE-2019-9192 is a vulnerability of currently unknown severity. In the GNU C Library (aka glibc or libc6) through 2.29, check_dst_limits_calc_pos_1 in posix/regexec.c has Uncontrolled Recursion, as demonstrated by '(|)(\\1\\1)*' in grep, a different issue than CVE-2018-20796. NOTE: the software maintainer disputes that this is a vulnerability because the behavior occurs only with a crafted pattern. EPSS estimates a 2.45% chance of exploitation in the next 30 days.

Description

In the GNU C Library (aka glibc or libc6) through 2.29, check_dst_limits_calc_pos_1 in posix/regexec.c has Uncontrolled Recursion, as demonstrated by '(|)(\\1\\1)*' in grep, a different issue than CVE-2018-20796. NOTE: the software maintainer disputes that this is a vulnerability because the behavior occurs only with a crafted pattern

Metrics

EPSS Probability
2.45%

82.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
GnuGlibc<= 2.29

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2019-9192?
In the GNU C Library (aka glibc or libc6) through 2.29, check_dst_limits_calc_pos_1 in posix/regexec.c has Uncontrolled Recursion, as demonstrated by '(|)(\\1\\1)*' in grep, a different issue than CVE-2018-20796. NOTE: the software maintainer disputes that this is a vulnerability because the behavior occurs only with a crafted pattern
How severe is CVE-2019-9192?
Severity scoring for CVE-2019-9192 is pending analysis. The EPSS model estimates a 2.45% probability of exploitation in the next 30 days.
How do I fix CVE-2019-9192?
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