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CVE

CVE-2026-22863

Deno node:crypto doesn't finalize cipher
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CVE

CVE-2026-22863

Deno node:crypto doesn't finalize cipher

Deno is a JavaScript, TypeScript, and WebAssembly runtime. Before 2.6.0, node:crypto doesn't finalize cipher. The vulnerability allows an attacker to have infinite encryptions. This can lead to naive attempts at brute forcing, as well as more refined attacks with the goal to learn the server secrets. This vulnerability is fixed in 2.6.0.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
9.2
-
4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
C
H
U
0
-
C
H
U
-

Related Resources

No items found.

References

https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/22xxx/CVE-2026-22863.json, https://github.com/denoland/deno/releases/tag/v2.6.0, https://github.com/denoland/deno/security/advisories/GHSA-5379-f5hf-w38v, https://nvd.nist.gov/vuln/detail/CVE-2026-22863

Severity

0

CVSS Score
0
10

Basic Information

Ecosystem
Base CVSS
0
EPSS Probability
0.00017%
EPSS Percentile
0.03091%
Introduced Version
0
Fix Available
d5b1548eba893d4cc26305f33739a6ca2e6e8c11

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