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Debian LTS Advisory DLA-2966-1                [email protected]
https://www.debian.org/lts/security/                    Thorsten Alteholz
March 30, 2022                                https://wiki.debian.org/LTS
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Package        : libgc
Version        : 1:7.4.2-8+deb9u1
CVE ID         : CVE-2016-9427

libgc, a conservative garbage collector, is vulnerable to integer 
overflows in multiple places. In some cases, when asked to allocate a huge 
quantity of memory, instead of failing the request, it will return a 
pointer to a small amount of memory possibly tricking the application into 
a buffer overwrite.

For Debian 9 stretch, this problem has been fixed in version

We recommend that you upgrade your libgc packages.

For the detailed security status of libgc please refer to
its security tracker page at:

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