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USN-2389-1: libxml2 vulnerability

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USN-2389-1: libxml2 vulnerability

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
10/27/2014
Created
07/25/2018
Added
10/29/2014
Modified
07/09/2020

Description

parser.c in libxml2 before 2.9.2 does not properly prevent entity expansion even when entity substitution has been disabled, which allows context-dependent attackers to cause a denial of service (CPU consumption) via a crafted XML document containing a large number of nested entity references, a variant of the "billion laughs" attack.

Solution(s)

  • ubuntu-upgrade-libxml2

References

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