AZL-89858 CVE-2026-7383 affecting package edk2 for versions less than 20240524git3e722403cd16-18

Issue summary: A signed integer overflow when sizing the destination buffer for Unicode output in ASN1mbstringncopy can lead to a heap buffer overflow. Impact summary: A heap buffer overflow may lead to a crash or possibly attacker controlled code execution or other undefined behaviour. In...

AZL-89873 CVE-2026-9076 affecting package edk2 for versions less than 20240524git3e722403cd16-18

Issue summary: When CMS password-based decryption RFC 3211 / PWRI key unwrap processes attacker-supplied CMS data, an attacker-chosen stream-mode KEK cipher can trigger a heap out-of-bounds read in kekunwrapkey. Impact summary: A heap buffer over-read may trigger a crash which leads to Denial of...

AZL-89864 CVE-2026-45447 affecting package edk2 for versions less than 20240524git3e722403cd16-18

Issue summary: A specially crafted PKCS7 or S/MIME signed message could trigger a use-after-free during PKCS7 signature verification. Impact summary: A use-after-free may result in process crashes, heap corruption, or potentially remote code execution. When processing a PKCS7 or S/MIME signed...

AZL-89876 CVE-2026-45445 affecting package edk2 for versions less than 20240524git3e722403cd16-18

Issue summary: When an application drives an AES-OCB context through the public EVPCipher one-shot interface, the application-supplied initialisation vector IV is silently discarded. Impact summary: Every message encrypted under the same key uses the same effective nonce regardless of the IV...

AZL-95910 CVE-2026-42770 affecting package edk2 20240524git3e722403cd16-18

Issue summary: When EVPPKEYderivesetpeer is called with a DHX X9.42 peer key, the peer key is not properly checked for the subgroup membership. Impact summary: A malicious peer which presents an X9.42 key carrying the victim's p and g parameters, a forged q = r a small prime factor of the cofacto...

AZL-89870 CVE-2026-42767 affecting package edk2 for versions less than 20240524git3e722403cd16-18

Issue summary: An attacker-controlled CMP Certificate Management Protocol server could trigger a NULL pointer dereference in a CMP client application. Impact summary: A NULL pointer dereference causes a crash of the application and a Denial of Service. An attacker controlling a CMP server or acti...

AZL-89867 CVE-2026-42766 affecting package edk2 for versions less than 20240524git3e722403cd16-18

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 Service. The CMS PasswordRecipientInfo.keyDerivationAlgorithm field is define...

AZL-89861 CVE-2026-34182 affecting package edk2 for versions less than 20240524git3e722403cd16-18

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 Summary: Attackers making use of these vulnerabilities may achieve...

AZL-89855 CVE-2026-34180 affecting package edk2 for versions less than 20240524git3e722403cd16-18

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 buffer over-read may crash the application Denial of Service or to...

RHSA-2026:18465 Red Hat Security Advisory: edk2 security update

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RHSA-2026:18320 Red Hat Security Advisory: edk2 security update

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Moderate: Red Hat Security Advisory: edk2 security update

An update for edk2 is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...

RHEL 10 : edk2 (RHSA-2026:18320)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:18320 advisory. EDK Embedded Development Kit is a project to enable UEFI support for Virtual Machines. This package contains a sample 64-bit UEFI firmware for QEMU...

RHEL 10 : edk2 (RHSA-2026:18465)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:18465 advisory. EDK Embedded Development Kit is a project to enable UEFI support for Virtual Machines. This package contains a sample 64-bit UEFI firmware for QEMU...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: edk2 (UTSA-2026-017405)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017405 advisory. A BIOS bug in firmware for a particular PC model leaves the Platform authorization value empty. This can be used to permanently brick the TPM in multiple ways, as we...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: edk2 (UTSA-2026-017403)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017403 advisory. NetworkPkg/IScsiDxe has remotely exploitable buffer overflows. Tenable has extracted the preceding description block directly from the Unity Linux security advisory...

CVE-2026-28390 affecting package edk2 for versions less than 20240524git3e722403cd16-16

CVE-2026-28390 affecting package edk2 for versions less than 20240524git3e722403cd16-16. A patched version of the package is available...

CVE-2026-28389 affecting package edk2 for versions less than 20240524git3e722403cd16-16

CVE-2026-28389 affecting package edk2 for versions less than 20240524git3e722403cd16-16. A patched version of the package is available...

Important: edk2

Issue Overview: Potential use-after-free in DANE client code CVE-2026-28387 NULL Pointer Dereference When Processing a Delta CRL NOTE: https://openssl-library.org/news/secadv/20260407.txt CVE-2026-28388 Possible NULL dereference when processing CMS KeyAgreeRecipientInfo CVE-2026-28389 Possible NU...

Fedora 43 : edk2 (2026-a484707720)

The remote Fedora 43 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-a484707720 advisory. unbreak https boot ---- update openssl to 3.5.6 Tenable has extracted the preceding description block directly from the Fedora security advisory. Note that...