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CVE-2026-33666

🗓️ 27 Apr 2026 19:23:11Reported by redhat.comType 
redhatcve
 redhatcve
🔗 access.redhat.com

Zserio bound check bypass in BitStreamReader readBytes/readString causes 512 MB reads from small buffers and a crash; fixed in 2.18.1.

Related
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-33666
24 Apr 202618:21
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Circl
CVE-2026-33666
24 Apr 202621:49
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CNNVD
zserio 输入验证错误漏洞
24 Apr 202600:00
cnnvd
CVE
CVE-2026-33666
24 Apr 202618:21
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Cvelist
CVE-2026-33666 Zserio: Integer Overflow in BitStreamReader on 32-bit platforms
24 Apr 202618:21
cvelist
EUVD
EUVD-2026-25593
24 Apr 202618:21
euvd
NVD
CVE-2026-33666
24 Apr 202619:17
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Positive Technologies
PT-2026-35056
24 Apr 202600:00
ptsecurity
Snyk
Integer Overflow or Wraparound
24 Apr 202619:18
snyk
Vulnrichment
CVE-2026-33666 Zserio: Integer Overflow in BitStreamReader on 32-bit platforms
24 Apr 202618:21
vulnrichment
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27 Apr 2026 19:23Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.17.5
EPSS0.0006
SSVC
0