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CVE-2026-32877 Botan: Heap Buffer Over-read in SM2 Decryption via Undersized C3 Hash Field

🗓️ 30 Mar 2026 20:36:43Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 21 Views

CVE-2026-32877: Botan SM2 decryption heap over-read due to undersized hash field, fixed in 3.11.0.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-32877
30 Mar 202620:36
attackerkb
AlpineLinux
CVE-2026-32877
30 Mar 202620:36
alpinelinux
AstraLinux
Astra Linux – Vulnerability in Botan
24 Jun 202615:11
astralinux
BDU FSTEC
The vulnerability of the SM2 Handler component in the C++ Botan cryptographic library allows a hacker to trigger a service failure and disclose confidential information.
1 Jun 202600:00
bdu_fstec
Circl
CVE-2026-32877
30 Mar 202622:01
circl
CNNVD
Botan 缓冲区错误漏洞
30 Mar 202600:00
cnnvd
CVE
CVE-2026-32877
30 Mar 202620:36
cve
Debian CVE
CVE-2026-32877
30 Mar 202620:36
debiancve
EUVD
EUVD-2026-17210
30 Mar 202620:36
euvd
Fedora
[SECURITY] Fedora 44 Update: botan3-3.9.0-7.fc44
28 Apr 202601:36
fedora
Rows per page
[
  {
    "vendor": "randombit",
    "product": "botan",
    "versions": [
      {
        "version": ">= 2.3.0, < 3.11.0",
        "status": "affected"
      }
    ]
  }
]

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30 Mar 2026 20:36Current
CVSS 3.18.2
EPSS0.00278
21