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CVE-2026-33662 OP-TEE: RSASSA EMSA- PKCS1-v1_5 underflow in emsa_pkcs1_v1_5_encode()

🗓️ 24 Apr 2026 18:13:28Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 29 Views

OP-TEE RSASSA PKCS1 v1.5 encoding underflow in emsa_pkcs1_v1_5_encode may cause memset overflow and crash.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-33662
24 Apr 202618:13
attackerkb
Circl
CVE-2026-33662
24 Apr 202621:46
circl
CNNVD
OP-TEE Trusted OS 输入验证错误漏洞
24 Apr 202600:00
cnnvd
CVE
CVE-2026-33662
24 Apr 202618:13
cve
Debian CVE
CVE-2026-33662
24 Apr 202618:13
debiancve
EUVD
EUVD-2026-25592
24 Apr 202618:13
euvd
NVD
CVE-2026-33662
24 Apr 202619:17
nvd
OSV
DEBIAN-CVE-2026-33662
24 Apr 202619:17
osv
OSV
UBUNTU-CVE-2026-33662
24 Apr 202619:17
osv
Positive Technologies
PT-2026-35055
24 Apr 202600:00
ptsecurity
Rows per page
[
  {
    "vendor": "OP-TEE",
    "product": "optee_os",
    "versions": [
      {
        "version": ">= 3.8.0, <= 4.10",
        "status": "affected"
      }
    ]
  }
]

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24 Apr 2026 18:13Current
CVSS 3.17.5
EPSS0.00403
29