AlmaLinux alert ALSA-2026:25237 (openssl)

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[Announce]  [Security Advisory] ALSA-2026:25237: openssl security update (Important)
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Thu, 11 Jun 2026 20:04:06 +0000
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<0100019eb848e8cd-e84e0c1e-c019-4d02-a0ac-4c6043b921dd-000000@email.amazonses.com>
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Article
Hi,

You are receiving an AlmaLinux Security update email because you subscribed to receive errata
notifications from AlmaLinux.

AlmaLinux: 10
Type: Security
Severity: Important
Release date: 2026-06-11

Summary:

OpenSSL is a toolkit that implements the Secure Sockets Layer (SSL) and Transport Layer Security
(TLS) protocols, as well as a full-strength general-purpose cryptography library.  

Security Fix(es):  

  * openssl: OpenSSL: Heap buffer overflow due to signed integer overflow in Unicode output sizing
(CVE-2026-7383)
  * openssl: OpenSSL: Denial of Service due to heap out-of-bounds read in CMS password-based
decryption (CVE-2026-9076)
  * openssl: OpenSSL: Heap buffer over-read in ASN.1 decoding can lead to denial of service or
information disclosure. (CVE-2026-34180)
  * openssl: PKCS#12 Files with PBMAC1 Are Accepted with Short HMAC Keys (CVE-2026-34181)
  * openssl: CMS AuthEnvelopedData Processing May Accept Forged Messages (CVE-2026-34182)
  * openssl: Unbounded Memory Growth in the QUIC PATH_CHALLENGE Handler (CVE-2026-34183)
  * openssl: NULL pointer dereference in QUIC server initial packet handling (CVE-2026-42764)
  * openssl: Possible NULL Dereference in Password-Based CMS Decryption (CVE-2026-42766)
  * openssl: NULL Pointer Dereference in CRMF EncryptedValue Decryption (CVE-2026-42767)
  * openssl: Multi-RecipientInfo Bleichenbacher Oracle in CMS_decrypt() and PKCS7_decrypt()
(CVE-2026-42768)
  * openssl: Trust-Anchor Substitution via cert/issuer Typo in CMP rootCaKeyUpdate
(CVE-2026-42769)
  * openssl: FFC-DH Peer Validation Uses Attacker-Supplied q (CVE-2026-42770)
  * openssl: AES-OCB IV Ignored on EVP_Cipher() Path (CVE-2026-45445)
  * openssl: Incorrect Tag Processing for Empty Messages in AES-GCM-SIV and AES-SIV modes
(CVE-2026-45446)
  * openssl: Heap Use-After-Free in OpenSSL PKCS7_verify() (CVE-2026-45447)


For more details about the security issue(s), including the impact, a CVSS score, acknowledgments,
and other related information, refer to the CVE page(s) listed in the References section.


Full details, updated packages, references, and other related information:
https://errata.almalinux.org/10/ALSA-2026-25237.html

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AlmaLinux Team
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