Back to Database
Status published
Critical
CVE-2015-7687
Use-after-free vulnerability in OpenSMTPD before 5.7.2 allows remote attackers to...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2015-7687
Credits & Attribution
No credits recorded in the NVD database.
References
- http://www.openwall.com/lists/oss-security/2015/10/03/1
- http://lists.fedoraproject.org/pipermail/package-announce/2015-November/170448.html
- https://www.opensmtpd.org/announces/release-5.7.2.txt
- http://www.securityfocus.com/bid/76975
- https://www.qualys.com/2015/10/02/opensmtpd-audit-report.txt
- http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169600.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1268793
More from openbsd
View All →CVE-2022-48437
An issue was discovered in x509/x509_verify.c in LibreSSL before 3.6.1,...
Unknown
0
CVE-2022-27882
slaacd in OpenBSD 6.9 and 7.0 before 2022-03-22 has an...
High
7.5
CVE-2022-27881
engine.c in slaacd in OpenBSD 6.9 and 7.0 before 2022-02-21...
High
7.5
CVE-2021-46880
x509/x509_verify.c in LibreSSL before 3.4.2, and OpenBSD before 7.0 errata...
Unknown
0
CVE-2021-41617
sshd in OpenSSH 6.2 through 8.x before 8.8, when certain...
High
7
Affected Vendor
openbsd
View all reports →Affected Software
opensmtpd, fedora
Vulnerable Versions:
0, 22, 23
Timeline
Official Publish:
October 16th, 2017
Last Modified:
August 6th, 2024
Added to House:
July 19th, 2026
CVSS Vectors
V3:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.