Executive Summary

Title GNU C Library: Arbitrary descriptor allocation
Name GLSA-201903-09 First vendor Publication 2019-03-14
Vendor Gentoo Last vendor Modification 2019-03-14
Severity (Vendor) N/A Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:N/I:N/A:P)
Cvss Base Score 5 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
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A vulnerability in the GNU C Library could result in a Denial of Service condition.


The GNU C library is the standard C library used by Gentoo Linux systems.


A vulnerability was discovered in the GNU C Library functions xdr_bytes and xdr_string.


A remote attacker, by sending a crafted UDP packet, could cause a Denial of Service condition.


There is no known workaround at this time.


All GNU C Library users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=sys-libs/glibc-2.26.0"


[ 1 ] CVE-2018-19591 : https://nvd.nist.gov/vuln/detail/CVE-2018-19591


This GLSA and any updates to it are available for viewing at the Gentoo Security Website:


Original Source

Url : http://security.gentoo.org/glsa/glsa-201903-09.xml

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-20 Improper Input Validation

CPE : Common Platform Enumeration

Application 126
Os 2

Nessus® Vulnerability Scanner

Date Description
2019-01-10 Name : The remote Amazon Linux 2 host is missing a security update.
File : al2_ALAS-2019-1140.nasl - Type : ACT_GATHER_INFO
2019-01-03 Name : The remote Fedora host is missing a security update.
File : fedora_2018-060302dc83.nasl - Type : ACT_GATHER_INFO
2019-01-03 Name : The remote Fedora host is missing a security update.
File : fedora_2018-f6b7df660d.nasl - Type : ACT_GATHER_INFO

Alert History

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Date Informations
2019-03-14 05:18:30
  • First insertion