Use After Free in Apple Xcode
CVE-2016-0746
Use-after-free vulnerability in the resolver in nginx 0.6.18 through 1.8.0 and 1.9.x before 1.9.10 allows remote attackers to cause a denial of service (worker process crash) or possibly have unspecified other impact via a crafted DNS response related to CNAME response processing.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.089 (95.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.086 · newest: 0.089 · change: +0.002
Affected products
- Apple Xcode
- F5 nginx
- Canonical Ubuntu Linux — versions 14.04, 15.10
- Debian Linux — versions 7.0, 8.0, 9.0
- openSUSE Leap — versions 42.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lists.opensuse.org/opensuse-updates/2016-02/msg00042.html (vendor-advisory, Mailing List, Third Party Advisory)
- bto.bluecoat.com/security-advisory/sa115 (Third Party Advisory)
- security.gentoo.org/glsa/201606-06 (vendor-advisory, Third Party Advisory)
- www.securitytracker.com/id/1034869 (VDB Entry, Third Party Advisory, vdb-entry)
- mailman.nginx.org/pipermail/nginx/2016-January/049700.html (Vendor Advisory, mailing-list)
- access.redhat.com/errata/RHSA-2016:1425 (vendor-advisory, Third Party Advisory)
- www.debian.org/security/2016/dsa-3473 (vendor-advisory, Third Party Advisory)
- www.ubuntu.com/usn/USN-2892-1 (vendor-advisory, Third Party Advisory)
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- support.apple.com/kb/HT212818 (Third Party Advisory)
Frequently asked questions
- What is CVE-2016-0746?
- CVE-2016-0746 is a critical-severity vulnerability in Apple Xcode, classified under Use After Free. CVSS score: 9.8/10. Published 2016-02-15.
- How severe is CVE-2016-0746?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2016-0746 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.