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CVE-2026-26309 Envoy has an off-by-one write in JsonEscaper::escapeString()

🗓️ 10 Mar 2026 19:04:21Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 22 Views

Envoy JsonEscaper off-by-one write corrupts string termination; may crash; fixed in 1.37.1, 1.36.5, 1.35.8, 1.34.13.

Related
Affected
Refs
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Family
ATTACKERKB
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CNNVD
Envoy 安全漏洞
10 Mar 202600:00
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10 Mar 202619:04
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10 Mar 202618:30
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10 Mar 202619:04
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10 Mar 202618:30
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Rows per page
[
  {
    "vendor": "envoyproxy",
    "product": "envoy",
    "versions": [
      {
        "version": ">= 1.37.0, < 1.37.1",
        "status": "affected"
      },
      {
        "version": ">= 1.36.0, < 1.36.5",
        "status": "affected"
      },
      {
        "version": ">= 1.35.0, < 1.35.9",
        "status": "affected"
      },
      {
        "version": "< 1.34.13",
        "status": "affected"
      }
    ]
  }
]

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10 Mar 2026 19:04Current
CVSS 3.15.3
EPSS0.00365
22