Bug 2548057 (CVE-2026-88647) - CVE-2026-88647 gnutls: gnutls: Information disclosure via hostname verification bypass
Summary: CVE-2026-88647 gnutls: gnutls: Information disclosure via hostname verificati...
Keywords:
Status: NEW
Alias: CVE-2026-88647
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-10-08 16:51 UTC by OSIDB Bzimport
Modified: 2026-10-08 16:59 UTC (History)
17 users (show)

Fixed In Version:
Clone Of:
Environment:
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Embargoed:

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Description OSIDB Bzimport 2026-10-08 16:51:56 UTC 
A hostname verification bypass in GnuTLS v3.8.13 allows attackers to circumvent the Common Name fallback mechanism and eavesdrop on communications via a crafted certificate.
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