CVE-2018-16881: debian debian_linux Integer Overflow or Wraparound
CVSS: 7.5v3.1HighModified
AliasesMGASA-2019-0110SUSE-SU-2019:0209-1RHBA-2019:2501RHSA-2019:2110UBUNTU-CVE-2018-16881DEBIAN-CVE-2018-16881
Published 25-01-2019Last modified 05-08-2024
Vulnerability summary
CVE-2018-16881 is a high (CVSS 7.5) Integer Overflow or Wraparound vulnerability in debian debian_linux. EPSS estimates a 2.24% chance of exploitation in the next 30 days, higher than 82.5% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
2.24%
0%100%
Low · 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 4 · Related 1Timeline
- 25-01-2019PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
A denial of service vulnerability was found in rsyslog in the imptcp module. An attacker could send a specially crafted message to the imptcp socket, which would cause rsyslog to crash. Versions before 8.27.0 are vulnerable.
CVSS metrics
8 scores · 5 sources · 3 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Medium 5.3Preferred score · CVE.org (CNA)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LSourcesAll 4 agree
- NVDNIST5.3MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- OSV · Red hatEcosystem advisory · calculated5.3MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- OSV · UbuntuEcosystem advisory · calculated5.3MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
2.24%
Chance of exploitation in the next 30 days
Percentile
83%
Versus all other CVEs
30-day change
0.00 pp
From 2.24% on 18-09-2026
18-09-202618-10-2026
EPSS score2.24%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Redhat29 products
- enterprise_linux_desktop7.0
- enterprise_linux_for_ibm_z_systems7.0
- enterprise_linux_for_power_big_endian7.0
- enterprise_linux_for_power_little_endian7.0
- enterprise_linux_for_scientific_computing7.0
Suse6 products
- rsyslog&distro=SUSE Linux Enterprise Desktop 12 SP3< 8.24.0-3.19.1
- rsyslog&distro=SUSE Linux Enterprise Desktop 12 SP4< 8.24.0-3.19.1
- rsyslog&distro=SUSE Linux Enterprise Server 12 SP3< 8.24.0-3.19.1
- rsyslog&distro=SUSE Linux Enterprise Server 12 SP4< 8.24.0-3.19.1
- rsyslog&distro=SUSE Linux Enterprise Server for SAP Applications 12 SP3< 8.24.0-3.19.1
Debian2 products
- rsyslog< 8.27.0-2
- debian_linuxEOL9.0
Mageia1 product
- rsyslog< 8.16.0-1.2.mga6
Rsyslog1 product
- rsyslog< 8.27.0
The rsyslog project1 product
- rsyslog:8.27.0
Ubuntu1 product
- rsyslogAll versions (No fix recorded) | < 8.16.0-1ubuntu3.1+esm1
7 vendors · 41 products
References
30 links- access.redhat.com/errata/RHSA-2019:2110Vendor AdvisoryX Refsource REDHATThird Party AdvisoryAdvisory
- access.redhat.com/errata/RHBA-2019:2501Vendor AdvisoryX Refsource REDHATThird Party AdvisoryAdvisory
- bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16881X Refsource CONFIRMIssue TrackingMitigationPatchThird Party AdvisoryREPORT
lists.debian.org/debian-lts-announce/2022/05/msg00028.htmlMailing ListX Refsource MLISTThird Party Advisory
