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AUSCERT External Security Bulletin Redistribution
symfony security update
19 November 2019
AusCERT Security Bulletin Summary
Operating System: Debian GNU/Linux 8
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Access Privileged Data -- Remote/Unauthenticated
CVE Names: CVE-2019-18888 CVE-2019-18887 CVE-2019-18886
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Package : symfony
Version : 2.3.21+dfsg-4+deb8u6
CVE ID : CVE-2019-18886 CVE-2019-18887 CVE-2019-18888
Multiple vulnerabilities have been found in the Symfony PHP framework
which could lead to a timing attack/information leak, argument injection
and code execution via unserialization.
For Debian 8 "Jessie", these problems have been fixed in version
We recommend that you upgrade your symfony packages.
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
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