CVE-2015-7850: debian debian_linux Infinite Loop
CVSS: 6.5v3.1MediumModified
AliasesUBUNTU-CVE-2015-7850DEBIAN-CVE-2015-7850
Published 07-08-2017Last modified 06-08-2024
Vulnerability summary
CVE-2015-7850 is a medium (CVSS 6.5) Infinite Loop vulnerability in debian debian_linux. EPSS estimates a 5.60% chance of exploitation in the next 30 days, higher than 92.8% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v3.1 (NVD)EPSS score
5.60%
0%100%
Low · +0.63 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 8 · Related 5Timeline
- 07-08-2017PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote authenticated users to cause a denial of service (infinite loop or crash) by pointing the key file at the log file.
CVSS metrics
5 scores · 3 sources · 3 versionsMedium 6.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Medium 6.5Preferred score · OSV · Ubuntu (Ecosystem advisory) · calculated from vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HSourcesSingle source
Medium 4.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:S/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
5.60%
Chance of exploitation in the next 30 days
Percentile
93%
Versus all other CVEs
30-day change
+0.63 pp
From 4.97% on 18-09-2026
18-09-202618-10-2026
EPSS score5.60%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Netapp5 products
Debian2 products
- ntp< 1:4.2.8p4+dfsg-1
- debian_linuxEOL7.0 | 8.0 | 9.0
Ntp1 product
- ntp≥ 4.2.0, < 4.2.8 | ≥ 4.3.0, < 4.3.77 | 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
Ubuntu1 product
- ntp< 1:4.2.6.p5+dfsg-3ubuntu2.14.04.5
4 vendors · 9 products
References
14 links
- bugzilla.redhat.com/show_bug.cgi?id=1274258X Refsource CONFIRMIssue TrackingThird Party AdvisoryVDB Entry