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CVE-2009-5155

UnknownEPSS 3.91%

Last modified

CVE-2009-5155 is a vulnerability of currently unknown severity. In the GNU C Library (aka glibc or libc6) before 2.28, parse_reg_exp in posix/regcomp.c misparses alternatives, which allows attackers to cause a denial of service (assertion failure and application exit) or trigger an incorrect result by attempting a regular-expression match.. EPSS estimates a 3.91% chance of exploitation in the next 30 days.

Description

In the GNU C Library (aka glibc or libc6) before 2.28, parse_reg_exp in posix/regcomp.c misparses alternatives, which allows attackers to cause a denial of service (assertion failure and application exit) or trigger an incorrect result by attempting a regular-expression match.

Metrics

EPSS Probability
3.91%

88.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
GnuGlibc< 2.28
NetappCloud BackupAll versions
NetappOntap Select Deploy Administration UtilityAll versions
NetappSteelstore Cloud Integrated StorageAll versions

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2009-5155?
In the GNU C Library (aka glibc or libc6) before 2.28, parse_reg_exp in posix/regcomp.c misparses alternatives, which allows attackers to cause a denial of service (assertion failure and application exit) or trigger an incorrect result by attempting a regular-expression match.
How severe is CVE-2009-5155?
Severity scoring for CVE-2009-5155 is pending analysis. The EPSS model estimates a 3.91% probability of exploitation in the next 30 days.
How do I fix CVE-2009-5155?
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-2009-5155?

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

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Source: NVD / NIST