CVE-2016-8568
medium
CVSS v3
5.5
CVSS v4 NEW
—
VIR risk
5.5
Description
The git_commit_message 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.
Predictions
Exploit likelihood
55%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 0.17.0-1 |
| debian | bullseye | fixed | 0.17.0-1 |
| arch | fixed | 1:0.24.3-1 | |
| debian | forky | fixed | 0.24.5-1 |
| debian | sid | fixed | 0.24.5-1 |
| debian | trixie | fixed | 0.24.5-1 |
| fedora | 23 | affected | |
| fedora | 24 | affected | |
| fedora | 25 | affected | |
| suse | 42.1 | affected | |
| suse | 42.2 | affected | |
| suse | 13.2 | affected | |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| libgit2_project | libgit2 | {"endIncluding":"0.24.2"} | |
References
- https://security.archlinux.org/ASA-201611-17
- http://lists.opensuse.org/opensuse-updates/2016-12/msg00075.html
- http://lists.opensuse.org/opensuse-updates/2017-01/msg00103.html
- http://lists.opensuse.org/opensuse-updates/2017-01/msg00110.html
- http://lists.opensuse.org/opensuse-updates/2017-01/msg00114.html
- http://www.openwall.com/lists/oss-security/2016/10/08/7
- http://www.securityfocus.com/bid/93466
- https://bugzilla.redhat.com/show_bug.cgi?id=1383211
- https://github.com/libgit2/libgit2/issues/3936
- https://github.com/libgit2/libgit2/releases/tag/v0.24.3
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4E77DG5KGQ7L34U75QY7O6NIPKZNQHQJ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X3JBSNJAXP7JA3TGE2NPNRTD77JXFG4E/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XVUEIG6EESZB6BRU2IE3F5NRUEHMAEKC/
- https://security-tracker.debian.org/tracker/CVE-2016-8568
CWEs
CWE-125
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.