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Status published
High
CVE-2018-20796
In the GNU C Library (aka glibc or libc6) through...
Vulnerability 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 '(\227|)(\\1\\1|t1|\\\2537)+' in grep.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://security.netapp.com/advisory/ntap-20190315-0002/
- https://lists.gnu.org/archive/html/bug-gnulib/2019-01/msg00108.html
- http://www.securityfocus.com/bid/107160
- https://debbugs.gnu.org/cgi/bugreport.cgi?bug=34141
- https://support.f5.com/csp/article/K26346590?utm_source=f5support&%3Butm_medium=RSS
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Affected Vendor
Affected Software
glibc, cloud backup, ontap select deploy administration utility, steelstore cloud integrated storage
Vulnerable Versions:
0
Timeline
Official Publish:
February 26th, 2019
Last Modified:
August 5th, 2024
Added to House:
July 20th, 2026
CVSS Vectors
V3:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.