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CVE-2026-42766

Low priority

Some fixes available 10 of 23

Issue summary: A specially crafted password-encrypted CMS message can trigger a NULL pointer dereference during CMS decryption. Impact summary: This NULL pointer dereference leads to an application crash and a Denial of...

6 affected packages

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

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
openssl Fixed Fixed Fixed Fixed Fixed
openssl-fips Not in release Fixed Not in release — —
openssl1.0 Not in release Not in release Not in release — Fixed
nodejs Not affected Not affected Vulnerable Not affected Needs evaluation
edk2 Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
edk2-hwe Needs evaluation Not in release Not in release — —
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CVE-2026-42765

Low priority
Vulnerable

Issue summary: When a partial-chain certificate verification is enabled together with OCSP response checking for the whole chain, a NULL dereference will happen if the verified chain does not have a self-signed...

5 affected packages

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

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
openssl Not affected 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
nodejs Not affected Not affected Vulnerable Not affected Not affected
edk2 Not affected Not affected Not affected Not affected Not affected
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CVE-2026-42764

Medium priority

Some fixes available 2 of 7

Issue summary: Receiving a QUIC initial packet with an invalid token may trigger a NULL pointer dereference in the OpenSSL QUIC server with address validation disabled. Impact summary: NULL pointer dereference typically causes...

6 affected packages

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

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
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
nodejs Not affected Not affected Vulnerable Not affected Not affected
edk2 Needs evaluation Not affected Not affected Not affected Not affected
edk2-hwe Needs evaluation Not in release Not in release — —
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CVE-2026-35188

Medium priority
Vulnerable

Issue summary: A malicious server can exploit TLS OCSP stapling by delivering a crafted response through the status_request extension, triggering a double-free in the client's certificate verification path. Impact summary:...

5 affected packages

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

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
openssl Not affected 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
nodejs Not affected Not affected Vulnerable Not affected Not affected
edk2 Not affected Not affected Not affected Not affected Not affected
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CVE-2026-34183

Medium priority

Some fixes available 2 of 8

Issue summary: Remote peer may exhaust heap memory of the QUIC server or client by flooding it with packets containing PATH_CHALLENGE frames. Impact summary: A malicious remote peer can cause an unbounded memory allocation which...

6 affected packages

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

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
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
nodejs Not affected Not affected Vulnerable Not affected Not affected
edk2 Needs evaluation Not affected Not affected Not affected Not affected
edk2-hwe Needs evaluation Not in release Not in release — —
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CVE-2026-34182

Medium priority

Some fixes available 5 of 11

Issue Summary: Cryptographic Message Services (CMS) processing fails to perform sufficient input validation on the cipher and tag length fields of AuthEnvelopedData containers, leading to various potential compromises. Impact...

6 affected packages

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

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
openssl Fixed Fixed Fixed Not affected Not affected
openssl-fips Not in release Fixed Not in release — —
openssl1.0 Not in release Not in release Not in release — Not affected
nodejs Not affected Not affected Not affected Not affected Not affected
edk2 Needs evaluation Needs evaluation Not affected Not affected Not affected
edk2-hwe Needs evaluation Not in release Not in release — —
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CVE-2026-34181

Low priority

Some fixes available 2 of 8

Issue Summary: The PKCS#12 file processing fails to perform sufficient input validation for files that use Password-Based Message Authentication Code 1 (PBMAC1) integrity mechanism allowing a certificate and private...

6 affected packages

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

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
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
nodejs Not affected Not affected Vulnerable Not affected Not affected
edk2 Needs evaluation Not affected Not affected Not affected Not affected
edk2-hwe Needs evaluation Not in release Not in release — —
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CVE-2026-34180

Low priority

Some fixes available 10 of 23

Issue summary: Parsing a crafted DER-encoded ASN.1 structure with a primitive element whose content exceeds 2 gigabytes in length may cause a heap buffer over-read on 64-bit Unix and Unix-like platforms. Impact summary: The heap...

6 affected packages

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

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
openssl Fixed Fixed Fixed Fixed Fixed
openssl-fips Not in release Fixed Not in release — —
openssl1.0 Not in release Not in release Not in release — Fixed
nodejs Not affected Not affected Vulnerable Not affected Needs evaluation
edk2 Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
edk2-hwe Needs evaluation Not in release Not in release — —
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CVE-2026-31790

Medium priority

Some fixes available 6 of 12

Issue summary: Applications using RSASVE key encapsulation to establish a secret encryption key can send contents of an uninitialized memory buffer to a malicious peer. Impact summary: The uninitialized buffer might contain...

6 affected packages

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

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
openssl Fixed Fixed Fixed Not affected Not affected
openssl-fips Not in release Fixed Not in release — —
openssl1.0 Not in release Not in release Not in release — Not affected
nodejs Not affected Not affected Not affected Not affected Not affected
edk2 Vulnerable Vulnerable Not affected Not affected Not affected
edk2-hwe Needs evaluation Not in release Not in release — —
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CVE-2026-31789

Low priority

Some fixes available 6 of 12

Issue summary: Converting an excessively large OCTET STRING value to a hexadecimal string leads to a heap buffer overflow on 32 bit platforms. Impact summary: A heap buffer overflow may lead to a crash or possibly an attacker...

6 affected packages

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

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