CVE-2019-9917: canonical ubuntu_linux Improper Input Validation
Modified
AliasesALPINE-CVE-2019-9917openSUSE-SU-2019:1166-1UBUNTU-CVE-2019-9917DEBIAN-CVE-2019-9917
Published 27-03-2019Last modified 04-08-2024
Vulnerability summary
CVE-2019-9917 is a medium (CVSS 6.5) Improper Input Validation vulnerability in canonical ubuntu_linux. EPSS estimates a 3.08% chance of exploitation in the next 30 days, higher than 87.5% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v3.0 (NVD)EPSS score
3.08%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 5 · Related 3Timeline
- 27-03-2019PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
ZNC before 1.7.3-rc1 allows an existing remote user to cause a Denial of Service (crash) via invalid encoding.
CVSS metrics
5 scores · 4 sources · 2 versionsMedium 6.5Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HSourcesAll 4 agree
- OSV · AlpineEcosystem advisory · calculated6.5MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Medium 4.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:S/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
3.08%
Chance of exploitation in the next 30 days
Percentile
88%
Versus all other CVEs
30-day change
No change 0.00 pp
From 3.08% on 22-09-2026
22-09-202622-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Suse3 products
- znc&distro=SUSE Package Hub 12< 1.7.2-bp150.2.3.1
- znc&distro=SUSE Package Hub 12 SP2< 1.7.2-bp150.2.3.1
- znc&distro=SUSE Package Hub 15< 1.7.2-bp150.2.3.1
Alpine1 product
- znc< 1.7.1-r1
Canonical1 product
- ubuntu_linuxEOL18.10
Debian1 product
- znc< 1.7.2-2
Fedoraproject1 product
- fedoraEOL28 | 29 | 30
Opensuse1 product
- znc&distro=openSUSE Leap 15.0< 1.7.2-bp150.2.3.1
Ubuntu1 product
- zncAll versions (No fix recorded)
Znc1 product
- znc≤ 1.7.2
8 vendors · 10 products
References
17 links- github.com/znc/znc/commit/64613bc8b6b4adf1e32231f9844d99cd512b8973X Refsource MISCPatchThird Party Advisory
Show all 17 references
- lists.opensuse.org/archives/…Advisory