CVE-2016-2518: debian debian_linux Out-of-bounds Read
CVSS: 5.3v3.1MediumModified
AliasesUBUNTU-CVE-2016-2518DEBIAN-CVE-2016-2518
Published 30-01-2017Last modified 05-08-2024
Vulnerability summary
CVE-2016-2518 is a medium (CVSS 5.3) Out-of-bounds Read vulnerability in debian debian_linux. EPSS estimates a 15.08% chance of exploitation in the next 30 days, higher than 96.7% of scored vulnerabilities.
CVSS score
5.3/10
010
Medium · v3.1 (NVD)EPSS score
15.08%
0%100%
Medium · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 11 · Related 6Timeline
- 30-01-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
The MATCH_ASSOC function in NTP before version 4.2.8p9 and 4.3.x before 4.3.92 allows remote attackers to cause an out-of-bounds reference via an addpeer request with a large hmode value.
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
15.08%
Chance of exploitation in the next 30 days
Percentile
97%
Versus all other CVEs
30-day change
0.00 pp
From 15.08% on 18-09-2026
18-09-202618-10-2026
EPSS score15.08%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Redhat6 products
- enterprise_linux_desktop7.0
- enterprise_linux_server6.0 | 7.0
- enterprise_linux_server_aus7.2 | 7.4 | 7.6
- enterprise_linux_server_eus7.2 | 7.3 | 7.4 | 7.5 | 7.6 | 7.7
- enterprise_linux_server_tus7.2 | 7.3 | 7.6 | 7.7
Netapp5 products
Debian2 products
- ntp< 1:4.2.8p7+dfsg-1
- debian_linuxEOL8.0 | 9.0 | 10.0
Oracle2 products
- communications_user_data_repository10.0.0 | 10.0.1 | 12.0.0
- linuxEOL6 | 7
Freebsd1 product
- freebsdEOL9.3 | 9.3:p1 | 9.3:p10 | 9.3:p12 | 9.3:p13 | 9.3:p16 | 9.3:p19 | 9.3:p2 | 9.3:p20 | 9.3:p21 | 9.3:p22 | 9.3:p23 | 9.3:p24 | 9.3:p25 | 9.3:p28 | 9.3:p3 | 9.3:p30 | 9.3:p31 | 9.3:p32 | 9.3:p33 | 9.3:p34 | 9.3:p35 | 9.3:p36 | 9.3:p38 | 9.3:p39 | 9.3:p5 | 9.3:p6 | 9.3:p7 | 9.3:p8 | 9.3:p9 | 10.1 | 10.1:p1 | 10.1:p10 | 10.1:p12 | 10.1:p15 | 10.1:p16 | 10.1:p17 | 10.1:p18 | 10.1:p19 | 10.1:p2 | 10.1:p22 | 10.1:p24 | 10.1:p25 | 10.1:p26 | 10.1:p27 | 10.1:p28 | 10.1:p29 | 10.1:p3 | 10.1:p30 | 10.1:p31 | 10.1:p4 | 10.1:p5 | 10.1:p6 | 10.1:p7 | 10.1:p8 | 10.1:p9 | 10.2 | 10.2:p1 | 10.2:p10 | 10.2:p11 | 10.2:p12 | 10.2:p13 | 10.2:p14 | 10.2:p2 | 10.2:p5 | 10.2:p7 | 10.2:p8 | 10.2:p9 | 10.3
Ntp1 product
- ntp< 4.2.8 | ≥ 4.3.0, < 4.3.92 | 4.2.8 | 4.2.8:p1 | 4.2.8:p1-beta1 | 4.2.8:p1-beta2 | 4.2.8:p1-beta3 | 4.2.8:p1-beta4 | 4.2.8:p1-beta5 | 4.2.8:p1-rc1 | 4.2.8:p1-rc2 | 4.2.8:p2 | 4.2.8:p2-rc1 | 4.2.8:p2-rc2 | 4.2.8:p2-rc3 | 4.2.8:p3 | 4.2.8:p3-rc1 | 4.2.8:p3-rc2 | 4.2.8:p3-rc3 | 4.2.8:p4 | 4.2.8:p5 | 4.2.8:p6 | 4.2.8:p7 | 4.2.8:p8
Ubuntu1 product
- ntp< 1:4.2.6.p5+dfsg-3ubuntu2.14.04.10 | < 1:4.2.8p4+dfsg-3ubuntu5.3
7 vendors · 18 products
References
38 links- www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.htmlX Refsource CONFIRMPatchThird Party Advisory
- www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.htmlX Refsource CONFIRMThird Party Advisory
Show all 38 references
- www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.htmlX Refsource CONFIRMThird Party Advisory
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160428-ntpdVendor AdvisoryX Refsource CISCO
- security.freebsd.org/advisories/FreeBSD-SA-16:16.ntp.ascVendor AdvisoryX Refsource FREEBSDThird Party Advisory
- lists.fedoraproject.org/pipermail/package-announce/2016-May/184669.htmlVendor AdvisoryX Refsource FEDORA
- support.f5.com/csp/article/K20804323X Refsource CONFIRM
- lists.fedoraproject.org/pipermail/package-announce/2016-May/183647.htmlVendor AdvisoryX Refsource FEDORA
- us-cert.cisa.gov/ics/advisories/icsa-21-159-11X Refsource MISC