JLSEC-2026-256 Issue summary: Parsing CMS AuthEnvelopedData message with maliciously crafted AEAD parameters can...

Issue summary: Parsing CMS AuthEnvelopedData or EnvelopedData message with maliciously crafted AEAD parameters can trigger a stack buffer overflow. Impact summary: A stack buffer overflow may lead to a crash, causing Denial of Service, or potentially remote code execution. When parsing CMS...

CLSA-2026-1777297012 openssl: Fix of 3 CVEs

CVE-2026-28388: fix NULL dereference in checkdeltabase when a Delta CRL lacks the CRL Number extension - CVE-2026-28389: fix NULL dereference in dh/ecdhcmssetsharedinfo when KeyEncryptionAlgorithmIdentifier has no parameters field - CVE-2026-28390: fix NULL dereference in rsacmsdecrypt when the...

pyOpenSSL: DTLS cookie callback buffer overflow

A flaw was found in pyOpenSSL. The setcookiegeneratecallback callback function can be used to generate DTLS cookies. When the callback returns a cookie string or byte sequence longer than 256 bytes, a buffer overflow can be triggered due to a missing bounds checking before copying the data to a...

PT-2026-38631

Issue summary: An application trying to decrypt CMS messages encrypted using password based encryption can trigger an out-of-bounds read and write. Impact summary: This out-of-bounds read may trigger a crash which leads to Denial of Service for an application. The out-of-bounds write can cause a...

PT-2026-38634

Issue summary: During processing of a crafted CMS EnvelopedData message with KeyTransportRecipientInfo a NULL pointer dereference can happen. Impact summary: Applications that process attacker-controlled CMS data may crash before authentication or cryptographic operations occur resulting in Denia...

PT-2026-38633

Issue summary: When a delta CRL that contains a Delta CRL Indicator extension is processed a NULL pointer dereference might happen if the required CRL Number extension is missing. Impact summary: A NULL pointer dereference can trigger a crash which leads to a Denial of Service for an application...

Linux Distros Unpatched Vulnerability : CVE-2026-41676

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - rust-openssl provides OpenSSL bindings for the Rust programming language. From 0.9.27 to before 0.10.78, Deriver::derive and PkeyCtxRef::derive sets len = buf.l...

RHEL 8 : RHUI 4.11.4 security update - python-pyOpenSSL (Important) (RHSA-2026:10754)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:10754 advisory. Red Hat Update Infrastructure RHUI provides a highly scalable and redundant framework for managing repositories and content. It also allows cloud...

Linux Distros Unpatched Vulnerability : CVE-2026-41681

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - rust-openssl provides OpenSSL bindings for the Rust programming language. From 0.10.39 to before 0.10.78, EVPDigestFinal always writes EVPMDCTXsizectx to the ou...

Linux Distros Unpatched Vulnerability : CVE-2026-41677

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - rust-openssl provides OpenSSL bindings for the Rust programming language. From 0.9.0 to before 0.10.78, the frompemcallback APIs did not validate the length...

Linux Distros Unpatched Vulnerability : CVE-2026-41898

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - rust-openssl provides OpenSSL bindings for the Rust programming language. From 0.9.24 to before 0.10.78, the FFI trampolines behind...

PT-2026-109442

Уязвимость инструментария для протоколов TLS и SSL OpenSSL связана с использованием памяти после её освобождения. Эксплуатация уязвимости может позволить нарушителю, действующему удаленно, получить несанкционированный доступ к защищаемой информации...

PT-2026-47844

Name of the Vulnerable Software and Affected Versions OpenSSL version 4.0 OpenSSL version 3.6 OpenSSL version 3.5 OpenSSL version 3.4 OpenSSL version 3.0 OpenSSL version 1.1.1 OpenSSL version 1.0.2 Description A use-after-free condition occurs during PKCS7 signature verification when processing a...

Linux Distros Unpatched Vulnerability : CVE-2026-41678

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - rust-openssl provides OpenSSL bindings for the Rust programming language. From to before 0.10.78, aes::unwrapkey contains an incorrect assertion: it checks that...

CVE-2026-41676

A flaw was found in rust-openssl, a library that provides cryptographic functionalities by binding to OpenSSL. When interacting with OpenSSL 1.1.x, the Deriver::derive function does not correctly manage buffer sizes during key derivation operations. This oversight can lead to a memory overflow,...

CVE-2026-41681

A flaw was found in rust-openssl, a library providing OpenSSL bindings for the Rust programming language. The EVPDigestFinal function, used for cryptographic hashing, can write past the end of its intended output buffer if the buffer is too small. This out-of-bounds write can corrupt the program'...

CVE-2026-41898

A flaw was found in rust-openssl, a library providing OpenSSL bindings for the Rust programming language. Foreign Function Interface FFI trampolines in several SslContextBuilder callbacks did not properly validate the size of data returned by user-defined closures before passing it to OpenSSL. Th...

CVE-2026-41678

A flaw was found in rust-openssl, a library providing OpenSSL bindings for the Rust programming language. A remote attacker could exploit an incorrect assertion in the aes::unwrapkey function. This flaw causes the function to incorrectly validate buffer sizes, allowing a smaller output buffer tha...

OESA-2026-2079 shim security update

Initial UEFI bootloader that handles chaining to a trusted full \ bootloader under secure boot environments. Security Fixes: Issue summary: When a delta CRL that contains a Delta CRL Indicator extension is processed a NULL pointer dereference might happen if the required CRL Number extension is...

OESA-2026-2044 openssl security update

Security Fixes: Issue summary: An uncommon configuration of clients performing DANE TLSA-based server authentication, when paired with uncommon server DANE TLSA records, may result in a use-after-free and/or double-free on the client side. Impact summary: A use after free can have a range of...