[Buildroot] [PATCH 2025.02.x] package/libopenssl: security bump to 3.5.9

From: Waldemar Brodkorb <wbx@openadk.org>
To: buildroot@buildroot.org
Subject: [Buildroot] [PATCH 2025.02.x] package/libopenssl: security bump to 3.5.9
Date: Thu, 1 Oct 2026 07:57:59 +0200	[thread overview]
Message-ID: <ar32Z0ggduEeP23t@waldemar-brodkorb.de> (raw)

OpenSSL 3.5.9 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 DTLS retransmissions of handshake messages from a stale buffer offset.
    (CVE-2026-84782)

    Fixed excessive memory allocation in relative CRLDP processing.
    (CVE-2026-35189)

    Fixed QUIC unvalidated amplification credit may be over-accounted.
    (CVE-2026-35191)

    Fixed potential CPU DoS via O(n^2) fragment reassembly in QUIC.
    (CVE-2026-42772)

    Fixed a timing side-channel in scalar multiplication for mon-NIST EC curves.
    (CVE-2026-54872)

    Fixed QUIC STREAM fragment metadata DoS.
    (CVE-2026-54873)

    Fixed non-constant-time SM2 scalar multiplication on ARM64 and RISC-V.
    (CVE-2026-54875)

    Fixed out-of-bounds access after SSL_set_SSL_CTX() during a handshake.
    (CVE-2026-72897)

    Fixed QUIC connection-level flow control was not enforced for streams.
    (CVE-2026-75804)

    Fixed a NULL pointer dereference in CMP client revocation response handling.
    (CVE-2026-75805)

    Fixed an unauthenticated and undersized DTLS 1.2 AEAD record causing DoS.
    (CVE-2026-75806)

    Fixed a timing side-channel in SM2 signature generation.
    (CVE-2026-77696)

    Fixed an unbounded RETIRE_CONNECTION_ID backlog in QUIC stack
    implementation.
    (CVE-2026-84784)

    Fixed a bug where EVP_DecryptFinal() incorrectly reported a stale success
    on AES-SIV authentication failure.

Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
---
 package/libopenssl/libopenssl.hash | 4 ++--
 package/libopenssl/libopenssl.mk   | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/package/libopenssl/libopenssl.hash b/package/libopenssl/libopenssl.hash
index 814b4eb0dc..3938a81e5e 100644
--- a/package/libopenssl/libopenssl.hash
+++ b/package/libopenssl/libopenssl.hash
@@ -1,5 +1,5 @@
-# From https://github.com/openssl/openssl/releases/download/openssl-3.5.8/openssl-3.5.8.tar.gz.sha256
-sha256  a8f84a39918ec6415ce765d9b429d313ba97b8143169c172e734b9514464f5b2  openssl-3.5.8.tar.gz
+# From https://github.com/openssl/openssl/releases/download/openssl-3.5.9/openssl-3.5.9.tar.gz.sha256
+sha256  603f5602e2eef00d77fbd429d34dcd5822bb301757a1bc9cdb24c670f1eb859a  openssl-3.5.9.tar.gz
 
 # License files
 sha256  7d5450cb2d142651b8afa315b5f238efc805dad827d91ba367d8516bc9d49e7a  LICENSE.txt
diff --git a/package/libopenssl/libopenssl.mk b/package/libopenssl/libopenssl.mk
index 6620eee274..d16d024d89 100644
--- a/package/libopenssl/libopenssl.mk
+++ b/package/libopenssl/libopenssl.mk
@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-LIBOPENSSL_VERSION = 3.5.8
+LIBOPENSSL_VERSION = 3.5.9
 LIBOPENSSL_SITE = https://github.com/openssl/openssl/releases/download/openssl-$(LIBOPENSSL_VERSION)
 LIBOPENSSL_SOURCE = openssl-$(LIBOPENSSL_VERSION).tar.gz
 LIBOPENSSL_LICENSE = Apache-2.0
-- 
2.47.3

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