CVE-2016-0747: apple xcode Uncontrolled Resource Consumption
CVSS: 5.3v3.1MediumModified
AliasesUBUNTU-CVE-2016-0747DEBIAN-CVE-2016-0747
Published 15-02-2016Last modified 05-08-2024
Vulnerability summary
CVE-2016-0747 is a medium (CVSS 5.3) Uncontrolled Resource Consumption vulnerability in apple xcode. EPSS estimates a 8.66% chance of exploitation in the next 30 days, higher than 95% of scored vulnerabilities.
CVSS score
5.3/10
010
Medium · v3.1 (NVD)EPSS score
8.66%
0%100%
Low · +0.23 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 6 · Related 3Timeline
- 15-02-2016PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
The resolver in nginx before 1.8.1 and 1.9.x before 1.9.10 does not properly limit CNAME resolution, which allows remote attackers to cause a denial of service (worker process resource consumption) via vectors related to arbitrary name resolution.
CVSS metrics
5 scores · 3 sources · 3 versionsMedium 5.3Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- OSV · DebianEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Medium 5.3Preferred score · OSV · Ubuntu (Ecosystem advisory) · calculated from vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LSourcesSingle source
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
8.66%
Chance of exploitation in the next 30 days
Percentile
95%
Versus all other CVEs
30-day change
+0.23 pp
From 8.43% on 18-09-2026
18-09-202618-10-2026
EPSS score8.66%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian2 products
- nginx< 1.9.10-1
- debian_linuxEOL7.0 | 8.0 | 9.0
Apple1 product
- xcode< 13.0
Canonical1 product
- ubuntu_linuxEOL14.04 | 15.10
F51 product
- nginx≥ 0.6.18, < 1.8.1 | ≥ 1.9.0, < 1.9.10
Opensuse1 product
- leapEOL42.1
Ubuntu1 product
- nginx< 1.4.6-1ubuntu3.4 | < 1.9.10-0ubuntu1
6 vendors · 7 products
References
15 links- lists.opensuse.org/opensuse-updates/2016-02/msg00042.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- mailman.nginx.org/pipermail/nginx/2016-January/049700.htmlMailing ListX Refsource MLISTVendor AdvisoryREPORT
- bugzilla.redhat.com/show_bug.cgi?id=1302589X Refsource CONFIRMIssue TrackingPatchThird Party Advisory
