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CVE-2015-7687
Use-after-free vulnerability in OpenSMTPD before 5.7.2 allows remote attackers to cause a denial of service (crash) or execute arbitrary…
Critical9.8EPSS 4.1%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
Use-after-free vulnerability in OpenSMTPD before 5.7.2 allows remote attackers to cause a denial of service (crash) or execute arbitrary code via vectors involving req_ca_vrfy_smtp and req_ca_vrfy_mta.
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)
- 4.1% · top 9.3% of all CVEs (4 Nov 2026)
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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 (7)
- [oss-security] 20151003 Re: Qualys Security Advisory - OpenSMTPD Audit Report (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- FEDORA-2015-ed1c673f09 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- https://www.opensmtpd.org/announces/release-5.7.2.txt (opens in a new tab)x_refsource_CONFIRMx_transferred
- 76975 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- https://www.qualys.com/2015/10/02/opensmtpd-audit-report.txt (opens in a new tab)x_refsource_MISCx_transferred
- FEDORA-2015-fd133d52cc (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=1268793 (opens in a new tab)x_refsource_CONFIRMx_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-2015-7687)Record last updated .