Is CVE-2015-7826 actively exploited?

CVE-2015-7826 has no public evidence of in-the-wild exploitation as of 2025-04-20.

What is the CVSS score for CVE-2015-7826?

CVE-2015-7826 has a CVSS score of 9.8 (CRITICAL severity). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2015-7826?

Patch guidance is available from botan project security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2015-7826.

Which products are affected by CVE-2015-7826?

1 product: botan project botan.

Fix CVE-2015-7826 - CRITICAL botan project botan

Description

botan 1.11.x before 1.11.22 improperly handles wildcard matching against hostnames, which might allow remote attackers to have unspecified impact via a valid X.509 certificate, as demonstrated by accepting *.example.com as a match for bar.foo.example.com.

CVSS Metrics

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-295

Metadata

Primary Vendor: BOTAN_PROJECT
Published: 4/10/2017
Last Modified: 4/20/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2015-7826

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary