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CVE-2026-28386

Low priority
Not affected

Issue summary: Applications using AES-CFB128 encryption or decryption on systems with AVX-512 and VAES support can trigger an out-of-bounds read of up to 15 bytes when processing partial cipher blocks. Impact summary: This...

5 affected packages

edk2, nodejs, openssl, openssl-fips, openssl1.0

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
edk2 Not affected Not affected Not affected Not affected
nodejs Not affected Not affected Not affected Not affected
openssl Not affected Not affected Not affected Not affected
openssl-fips Not affected Not affected
openssl1.0 Not in release Not in release Not affected
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CVE-2026-21717

Medium priority
Needs evaluation

A flaw in V8's string hashing mechanism causes integer-like strings to be hashed to their numeric value, making hash collisions trivially predictable. By crafting a request that causes many such collisions in V8's internal string...

1 affected package

nodejs

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
nodejs Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-21716

Medium priority
Needs evaluation

An incomplete fix for CVE-2024-36137 leaves `FileHandle.chmod()` and `FileHandle.chown()` in the promises API without the required permission checks, while their callback-based equivalents (`fs.fchmod()`, `fs.fchown()`) were...

1 affected package

nodejs

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
nodejs Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-21715

Medium priority
Needs evaluation

A flaw in Node.js Permission Model filesystem enforcement leaves `fs.realpathSync.native()` without the required read permission checks, while all comparable filesystem functions correctly enforce them. As a result, code running...

1 affected package

nodejs

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
nodejs Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-21714

Medium priority
Needs evaluation

A memory leak occurs in Node.js HTTP/2 servers when a client sends WINDOW_UPDATE frames on stream 0 (connection-level) that cause the flow control window to exceed the maximum value of 2³¹-1. The server correctly sends a GOAWAY...

1 affected package

nodejs

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
nodejs Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-21713

Medium priority
Needs evaluation

A flaw in Node.js HMAC verification uses a non-constant-time comparison when validating user-provided signatures, potentially leaking timing information proportional to the number of matching bytes. Under certain threat models...

1 affected package

nodejs

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
nodejs Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-21711

Medium priority
Needs evaluation

A flaw in Node.js Permission Model network enforcement leaves Unix Domain Socket (UDS) server operations without the required permission checks, while all comparable network paths correctly enforce them. As a result, code running...

1 affected package

nodejs

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
nodejs Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-21710

Medium priority
Needs evaluation

A flaw in Node.js HTTP request handling causes an uncaught `TypeError` when a request is received with a header named `__proto__` and the application accesses `req.headersDistinct`. When this occurs, `dest["__proto__"]` resolves...

1 affected package

nodejs

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
nodejs Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-21712

Medium priority
Needs evaluation

A flaw in Node.js URL processing causes an assertion failure in native code when `url.format()` is called with a malformed internationalized domain name (IDN) containing invalid characters, crashing the Node.js process.

1 affected package

nodejs

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
nodejs Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-2673

Low priority

Some fixes available 2 of 3

Issue summary: An OpenSSL TLS 1.3 server may fail to negotiate the expected preferred key exchange group when its key exchange group configuration includes the default by using the 'DEFAULT' keyword. Impact summary: A less...

5 affected packages

edk2, nodejs, openssl, openssl-fips, openssl1.0

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
edk2 Not affected Not affected Not affected Not affected Not affected
nodejs Not affected Not affected Vulnerable Not affected Not affected
openssl Fixed Not affected Not affected Not affected Not affected
openssl-fips Not in release Not affected Not affected
openssl1.0 Not in release Not in release Not in release Not affected
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