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A flaw was found in gnutls. When validating certificates, an oversized Subject Alternative Name (SAN) could cause the validation process to incorrectly fall back to checking the Common Name (CN) fiel…

高危 CVSS 8.2
CVECVE-2026-42013
首次发现2026-07-15 16:15 UTC
披露时间2026-05-26 22:16 UTC
最后更新2026-07-15 16:15 UTC
通道状态auto

摘要

A flaw was found in gnutls. When validating certificates, an oversized Subject Alternative Name (SAN) could cause the validation process to incorrectly fall back to checking the Common Name (CN) field. This could allow a remote attacker to bypass proper certificate validation, potentially leading to spoofing or man-in-the-middle attacks.

中文摘要建设中,暂以英文摘要呈现(DR-003 v2)。

深度研判 · 自动通道

该漏洞尚未生成深度研判报告(DR-003 v2 AI pipeline 建设中)。

Lint 边界警告 (1)

以下是本次研判 lint 阶段发现的非阻塞性警告(如引用 URL 未在白名单内)。这些不影响漏洞条目可用性,仅为透明度披露(参 DR-002)。

  • REF_URL_NOT_ALLOWLISTED url not in allowlist: https://www.gnutls.org/security-new.html#GNUTLS-SA-2026-04-29-8

数据来源

  • NVD DATABASE

原始链接

时间线

  1. nvd_ingest NVD