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CVE-2018-1000140
rsyslog librelp version 1.2.14 and earlier contains a Buffer Overflow vulnerability in the checking of x509 certificates from a peer that…
Critical9.8EPSS 9.3%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
rsyslog librelp version 1.2.14 and earlier contains a Buffer Overflow vulnerability in the checking of x509 certificates from a peer that can result in Remote code execution. This attack appear to be exploitable a remote attacker that can connect to rsyslog and trigger a stack buffer overflow by sending a specially crafted x509 certificate.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Critical9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 9.3% · top 4.6% of all CVEs (6 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Weakness
Affected products
n/a
- affected n/a
References (13)
- USN-3612-1 (opens in a new tab)vendor-advisoryx_transferred
- GLSA-201804-21 (opens in a new tab)vendor-advisoryx_transferred
- https://github.com/rsyslog/librelp/blob/532aa362f0f7a8d037505b0a27a1df452f9bac9e/src/tcp.c#L1205 (opens in a new tab)x_transferred
- RHSA-2018:1703 (opens in a new tab)vendor-advisoryx_transferred
- RHSA-2018:1704 (opens in a new tab)vendor-advisoryx_transferred
- RHSA-2018:1702 (opens in a new tab)vendor-advisoryx_transferred
- RHSA-2018:1225 (opens in a new tab)vendor-advisoryx_transferred
- RHSA-2018:1707 (opens in a new tab)vendor-advisoryx_transferred
- https://lgtm.com/rules/1505913226124/ (opens in a new tab)x_transferred
- RHSA-2018:1223 (opens in a new tab)vendor-advisoryx_transferred
- DSA-4151 (opens in a new tab)vendor-advisoryx_transferred
- RHSA-2018:1701 (opens in a new tab)vendor-advisoryx_transferred
- http://packetstormsecurity.com/files/172829/librelp-Remote-Code-Execution.html (opens in a new tab)x_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-2018-1000140)Record last updated .