CVE-2026-53583: libgit2: Inverted IP SubjectAltName Comparison in OpenSSL Backend

Overview

Severity

Medium (CVSS 6.5)

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Exploit Status

Not Exploited

Patch Tuesday

2026-Aug

Released

2026-08-22

EPSS Score

0.24% (percentile: 15.1%)

Affected Products (1)

Other

• 19847-17084

Revision History

• 2026-08-22: Information published.