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CVE-2018-16866
An out of bounds read was discovered in systemd-journald in the way it parses log messages that terminate with a colon ':'. A local…
Medium4.3EPSS 1.1%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
An out of bounds read was discovered in systemd-journald in the way it parses log messages that terminate with a colon ':'. A local attacker can use this flaw to disclose process memory data. Versions from v221 to v239 are vulnerable.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| redhatCNA (assigner) | 3.0 | Medium4.3 | CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| NVDNVD · Modified | 3.1 | Low3.3 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
- EPSS (exploitation in 30 days)
- 1.1% · top 36% of all CVEs (5 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.
Weakness
Affected products
- affected from v221 to v239
References (14)
- DSA-4367 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- https://security.netapp.com/advisory/ntap-20190117-0001/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://www.qualys.com/2019/01/09/system-down/system-down.txt (opens in a new tab)x_refsource_MISCx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16866 (opens in a new tab)x_refsource_CONFIRMx_transferred
- USN-3855-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- 106527 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- GLSA-201903-07 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- [oss-security] 20190510 Re: System Down: A systemd-journald exploit (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 20190513 Re: System Down: A systemd-journald exploit (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- http://packetstormsecurity.com/files/152841/System-Down-A-systemd-journald-Exploit.html (opens in a new tab)x_refsource_MISCx_transferred
- 20190513 Re: System Down: A systemd-journald exploit (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
- RHSA-2019:2091 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2019:3222 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2020:0593 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2018-16866)Record last updated .