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Release information [1]: OpenSSL 3.5.7 is a security patch release. The most severe CVE fixed in this release is High. This release incorporates the following bug fixes and mitigations: * Fixed heap use-after-free in PKCS7_verify(). (CVE-2026-45447) * Fixed CMS AuthEnvelopedData processing may accept forged messages. (CVE-2026-34182) * Fixed unbounded memory growth in the QUIC PATH_CHALLENGE handler. (CVE-2026-34183) * Fixed NULL pointer dereference in QUIC server initial packet handling. (CVE-2026-42764) * Fixed AES-OCB IV ignored on EVP_Cipher() path. (CVE-2026-45445) * Fixed possible heap buffer overflow in ASN.1 multibyte string conversion. (CVE-2026-7383) * Fixed out-of-bounds read in CMS password-based decryption. (CVE-2026-9076) * Fixed heap buffer over-read in ASN.1 content parsing. (CVE-2026-34180) * Fixed PKCS#12 files with PBMAC1 are accepted with short HMAC keys. (CVE-2026-34181) * Fixed possible NULL dereference in password-dased CMS decryption. (CVE-2026-42766) * Fixed NULL pointer dereference in CRMF EncryptedValue decryption. (CVE-2026-42767) * Fixed multi-RecipientInfo Bleichenbacher Oracle in CMS_decrypt() and PKCS7_decrypt(). (CVE-2026-42768) * Fixed trust anchor substitution via cert/issuer typo in CMP rootCaKeyUpdate. (CVE-2026-42769) * Fixed FFC-DH peer validation uses attacker-supplied q. (CVE-2026-42770) * Fixed incorrect tag processing for empty messages in AES-GCM-SIV and AES-SIV modes. (CVE-2026-45446) Refreshed patches. Installed new test files to pass ptests. [1] https://github.com/openssl/openssl/blob/openssl-3.5/NEWS.md#major-changes-between-openssl-356-and-openssl-357-9-jun-2026 (From OE-Core rev: ed3353c07f6a8a6e55d244c0039e37fb62c81712) Signed-off-by: Peter Marko <peter.marko@siemens.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org> (From OE-Core rev: 9365ac47f994a7d6be92b8c011c51ecf48e8ef87) Signed-off-by: Peter Marko <peter.marko@siemens.com> Signed-off-by: Yoann Congal <yoann.congal@smile.fr> Signed-off-by: Paul Barker <paul@pbarker.dev>
Poky
Poky is an integration of various components to form a pre-packaged build system and development environment which is used as a development and validation tool by the Yocto Project. It features support for building customised embedded style device images and custom containers. There are reference demo images ranging from X11/GTK+ to Weston, commandline and more. The system supports cross-architecture application development using QEMU emulation and a standalone toolchain and SDK suitable for IDE integration.
Additional information on the specifics of hardware that Poky supports is available in README.hardware. Further hardware support can easily be added in the form of BSP layers which extend the systems capabilities in a modular way. Many layers are available and can be found through the layer index.
As an integration layer Poky consists of several upstream projects such as BitBake, OpenEmbedded-Core, Yocto documentation, the 'meta-yocto' layer which has configuration and hardware support components. These components are all part of the Yocto Project and OpenEmbedded ecosystems.
The Yocto Project has extensive documentation about the system including a reference manual which can be found at https://docs.yoctoproject.org/
OpenEmbedded is the build architecture used by Poky and the Yocto project. For information about OpenEmbedded, see the OpenEmbedded website.
Contribution Guidelines
Please refer to our contributor guide here: https://docs.yoctoproject.org/dev/contributor-guide/ for full details on how to submit changes.
Where to Send Patches
As Poky is an integration repository (built using a tool called combo-layer), patches against the various components should be sent to their respective upstreams:
OpenEmbedded-Core (files in meta/, meta-selftest/, meta-skeleton/, scripts/):
- Git repository: https://git.openembedded.org/openembedded-core/
- Mailing list: openembedded-core@lists.openembedded.org
BitBake (files in bitbake/):
- Git repository: https://git.openembedded.org/bitbake/
- Mailing list: bitbake-devel@lists.openembedded.org
Documentation (files in documentation/):
- Git repository: https://git.yoctoproject.org/cgit/cgit.cgi/yocto-docs/
- Mailing list: docs@lists.yoctoproject.org
meta-yocto (files in meta-poky/, meta-yocto-bsp/):
- Git repository: https://git.yoctoproject.org/cgit/cgit.cgi/meta-yocto
- Mailing list: poky@lists.yoctoproject.org
If in doubt, check the openembedded-core git repository for the content you intend to modify as most files are from there unless clearly one of the above categories. Before sending, be sure the patches apply cleanly to the current git repository branch in question.