USN-3197-1: libgc vulnerability
Ubuntu Security Notice USN-3197-1
15th February, 2017
libgc vulnerability
A security issue affects these releases of Ubuntu and its
derivatives:
- Ubuntu 16.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS
Summary
Applications using libgc could be made to crash or run programs as
your login.
Software description
- libgc
– Boehm-Demers-Weiser garbage collecting storage allocator library
Details
Kuang-che Wu discovered that multiple integer overflow vulnerabilities
existed in libgc. An attacker could use these to cause a denial of
service (application crash) or possibly execute arbitrary code.
Update instructions
The problem can be corrected by updating your system to the following
package version:
- Ubuntu 16.10:
-
libgc1c2
1:7.4.2-8ubuntu0.1
- Ubuntu 16.04 LTS:
-
libgc1c2
1:7.4.2-7.3ubuntu0.1
- Ubuntu 14.04 LTS:
-
libgc1c2
1:7.2d-5ubuntu2.1
- Ubuntu 12.04 LTS:
-
libgc1c2
1:7.1-8ubuntu0.12.04.3
To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to restart applications using
libgc to make all the necessary changes.
References
Source: USN-3197-1: libgc vulnerability
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