VDB

ALPINE-CVE-2020-25648

ALPINE-CVE-2020-25648 PUBLISHED CVSS 7.5 HIGH

A flaw was found in the way NSS handled CCS (ChangeCipherSpec) messages in TLS 1.3. This flaw allows a remote attacker to send multiple CCS messages, causing a denial of service for servers compiled with the NSS library. The highest threat from this vulnerability is to system availability. This flaw affects NSS versions before 3.58.

Risk Scores

CVSS v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products

VendorProductVersions
Alpine:v3.12nss3.12.10-r0, 3.12.11-r0, 3.12.11-r1
Alpine:v3.23nss0, 3.12.11-r0, 3.12.11-r1
Alpine:v3.22nss3.57-r1, 3.57-r0, 3.55-r1
Alpine:v3.21nss3.16-r0, 0, 3.12.10-r0
Alpine:v3.20nss3.57-r1, 3.57-r0, 3.55-r1
Alpine:v3.19nss3.12.10-r0, 3.12.11-r1, 3.12.6-r0

Timeline

  • Oct 20, 2020 CVE Published
  • Dec 3, 2025 CVE Updated
  • Apr 30, 2026 Distribution Patch
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