CVE-2016-8568: Null Pointer Dereference
CVE-2016-8568
Read out-of-bounds in gitoidnfmt: https://github.com/libgit2/libgit2/issues/3936
CVE-2016-8569
DoS using a null pointer dereference in gitcommitmessage: https://github.com/libgit2/libgit2/issues/3937
Proposed patch:
https://github.com/libgit2/libgit2/pull/3956
Other sources
The gitcommitmessage function in oid.c in libgit2 before 0.24.3 allows remote attackers to cause a denial of service (out-of-bounds read) via a cat-file command with a crafted object file.
— MITRE
Affected Software
Remediation
Patch Available
Patch Available
Patch Available
Event History
Frequently Asked Questions
What is the severity of CVE-2016-8568?
CVE-2016-8568 is rated as a moderate severity vulnerability.
How do I fix CVE-2016-8568?
To fix CVE-2016-8568, update libgit2 to a version higher than 0.24.2.
Which software is affected by CVE-2016-8568?
CVE-2016-8568 affects Fedora versions 23, 24, 25, openSUSE Leap 42.1, 42.2, and openSUSE 13.2, as well as SUSE Linux Enterprise 12.0.
What type of vulnerability is CVE-2016-8568?
CVE-2016-8568 is an out-of-bounds read vulnerability in the git_oid_nfmt function.
Is there a workaround for CVE-2016-8568?
There is no documented workaround for CVE-2016-8568; updating to a non-affected version is recommended.