CVE-2019-9192: High severity GNU glibc vulnerability

Published Feb 26, 2019
·
Updated

DISPUTED In the GNU C Library (aka glibc or libc6) through 2.29, checkdstlimitscalcpos1 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.

Affected Software

2 affected componentsFixes available
GNU glibc<=2.29
Microsoft cm1 glibc 2.28-24<2.28-24
2.28-24

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 2.28-24

Event History

Feb 26, 2019
CVE Published
via MITRE·06:00 PM
Data Sourced
via MITRE·06:00 PM
Description
Disputed
06:29 PM
Oct 2, 2025
Data Sourced
via Microsoft·06:11 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·06:11 AM
Affected Software
Updated
via Microsoft·06:11 AM
DescriptionSeverity
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Frequently Asked Questions

1

What is CVE-2019-9192?

CVE-2019-9192 is a vulnerability in the GNU C Library (glibc) that allows for uncontrolled recursion.

2

How severe is CVE-2019-9192?

CVE-2019-9192 has a severity score of 7.5 (high).

3

How does CVE-2019-9192 affect GNU C Library (glibc)?

CVE-2019-9192 affects GNU C Library (glibc) versions up to 2.29.

4

What is the impact of CVE-2019-9192?

CVE-2019-9192 allows attackers to cause a denial of service or potentially execute arbitrary code.

5

Is there a fix for CVE-2019-9192?

As of now, there is no official fix or patch available for CVE-2019-9192. It is recommended to keep systems up to date with the latest security patches and monitor for any vendor updates.

Contact

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