Medium: openssl

Issue Overview: 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 NULL dereference when processing CMS KeyTransportRecipientInfo...

Fedora 45 : kryoptic / pyOpenSSL / python-cryptography / rust-asn1 / etc (2026-13a0c86ba1)

The remote Fedora 45 host has packages installed that are affected by a vulnerability as referenced in the FEDORA-2026-13a0c86ba1 advisory. Update python-cryptography to 47.0.0 As a result, rust-asn1 is bumped to 0.24, and pyOpenSSL is bumped to 26.1. kryoptic is rebuilt with a patch to support...

python311-pyOpenSSL-26.1.0-1.1 on GA media (moderate)

python311-pyOpenSSL-26.1.0-1.1 on GA media Announcement ID: openSUSE-SU-2026:10646-1 Rating: moderate Cross-References: CVE-2026-40475 CVSS scores: CVE-2026-40475 SUSE : 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2026-40475 SUSE : 6.8...

CLSA-2026-1777455447 openssl: Fix of CVE-2026-28387

CVE-2026-28387: fix use-after-free / double-free in danematch by releasing the previously stored dane-mcert with X509free instead of OPENSSLfree; the slot is reference-bumped via X509upref so the matching free is X509free...

CVE-2026-41677

A flaw was found in rust-openssl, a library that provides OpenSSL functionalities for Rust applications. The library's password callback functions did not correctly check the size of data provided by a user's callback. This oversight could allow a specially crafted password callback to read beyon...

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...

RHSA-2026:10754 Red Hat Security Advisory: RHUI 4.11.4 security update - python-pyOpenSSL

Bulletin has no description...

[SECURITY] Fedora 43 Update: openvpn-2.6.20-1.fc43

OpenVPN is a robust and highly flexible tunneling application that uses all of the encryption, authentication, and certification features of the OpenSSL library to securely tunnel IP networks over a single UDP or TCP port. It can use the Marcus Franz Xaver Johannes Oberhumers LZO library for...

[SECURITY] Fedora 43 Update: openssl-3.5.4-3.fc43

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...

Fedora 43 : openssl (2026-47fffff581)

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-47fffff581 advisory. Backport security patches from OpenSSL 3.5.6 Tenable has extracted the preceding description block directly from the Fedora security advisory. Note...

Juniper Junos OS Multiple Vulnerabilities (JSA88107)

The version of Junos OS installed on the remote host is affected by multiple vulnerabilities as referenced in the JSA88107 advisory. - Issue summary: Calling the OpenSSL API function SSLfreebuffers may cause memory to be accessed that was previously freed in some situations Impact summary: A use...

OPENSUSE-SU-2026:10646-1 python311-pyOpenSSL-26.1.0-1.1 on GA media

These are all security issues fixed in the python311-pyOpenSSL-26.1.0-1.1 package on the GA media of openSUSE Tumbleweed...

PT-2026-35886

Name of the Vulnerable Software and Affected Versions python-pyOpenSSL versions prior to 26.1.0-1.1 Description Improper input handling of null bytes can lead to silent data truncation and security-state inconsistency. Recommendations Update to version 26.1.0-1.1...

JLSEC-2026-246 Issue summary: Checking excessively long invalid RSA public keys may take a long time.

Issue summary: Checking excessively long invalid RSA public keys may take a long time. Impact summary: Applications that use the function EVPPKEYpubliccheck to check RSA public keys may experience long delays. Where the key that is being checked has been obtained from an untrusted source this may...

JLSEC-2026-244 Issue summary: Generating excessively long X9.42 DH keys or checking excessively long X9.42 DH keys...

Issue summary: Generating excessively long X9.42 DH keys or checking excessively long X9.42 DH keys or parameters may be very slow. Impact summary: Applications that use the functions DHgeneratekey to generate an X9.42 DH key may experience long delays. Likewise, applications that use...

JLSEC-2026-251 Issue summary: Calling the OpenSSL API function `SSL_free_buffers` may cause memory to be accessed...

Issue summary: Calling the OpenSSL API function SSLfreebuffers may cause memory to be accessed that was previously freed in some situations Impact summary: A use after free can have a range of potential consequences such as the corruption of valid data, crashes or execution of arbitrary code...

JLSEC-2026-263 Issue summary: Calling `PKCS12_get_friendlyname()` function on a maliciously crafted PKCS#12 file...

Issue summary: Calling PKCS12getfriendlyname function on a maliciously crafted PKCS12 file with a BMPString UTF-16BE friendly name containing non-ASCII BMP code point can trigger a one byte write before the allocated buffer. Impact summary: The out-of-bounds write can cause a memory corruption...

JLSEC-2026-220 The X.509 GeneralName type is a generic type for representing different types of names

The X.509 GeneralName type is a generic type for representing different types of names. One of those name types is known as EDIPartyName. OpenSSL provides a function GENERALNAMEcmp which compares different instances of a GENERALNAME to see if they are equal or not. This function behaves incorrect...

JLSEC-2026-234 Vulnerable OpenSSL included in cryptography wheels

There is a type confusion vulnerability relating to X.400 address processing inside an X.509 GeneralName. X.400 addresses were parsed as an ASN1STRING but the public structure definition for GENERALNAME incorrectly specified the type of the x400Address field as ASN1TYPE. This field is subsequentl...

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...