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...

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...

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-2026-41678

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...

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-2026-41676

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...

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...

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-2026-41678

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...

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...

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-2026-2045 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...

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...

[SECURITY] Fedora 44 Update: openssl-3.5.5-2.fc44

The OpenSSL toolkit provides support for secure communications between machines. OpenSSL includes a certificate management tool and shared libraries which provide various cryptographic algorithms and protocols...

SUSE SLES12 Security Update : python-pyOpenSSL (SUSE-SU-2026:1582-1)

The remote SUSE Linux SLES12 host has packages installed that are affected by a vulnerability as referenced in the SUSE- SU-2026:1582-1 advisory. This update for python-pyOpenSSL fixes the following issue: - CVE-2026-27448: unhandled exception can result in connection not being cancelled...

SUSE SLES15 Security Update : openssl-3 (SUSE-SU-2026:1605-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2026:1605-1 advisory. This update for openssl-3 fixes the following issue: Security issues fixed: - CVE-2026-28390: NULL pointer dereference during processing of ...

Fedora 44 : openssl (2026-d3e275d525)

The remote Fedora 44 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-d3e275d525 advisory. Backport security patches from OpenSSL 3.5.6 Tenable has extracted the preceding description block directly from the Fedora security advisory. Note that Ness...

AZL-83618 CVE-2026-41676 affecting package 389-ds-base 3.1.1-11

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.len and passes it as the in/out length to EVPPKEYderive, relying on OpenSSL to honor it. On OpenSSL 1.1.x, X25519, X448, DH and HKDF-extra...