[CLSA-2026:1776685783] Fix CVE(s): CVE-2026-28387, CVE-2026-28388, CVE-2026-28389, CVE-2026-28390

Type:

security

Severity:

Important

Release date:

2026-04-20 11:49:48 UTC

Description:

   * SECURITY UPDATE: use-after-free in DANE client code
     - debian/patches/openssl-1.1.1-cve-2026-28387.patch: use X509_free()
       instead of OPENSSL_free() to properly release reference-counted X509
       objects in dane_match()
     - CVE-2026-28387
   * SECURITY UPDATE: NULL pointer dereference in delta CRL processing
     - debian/patches/openssl-1.1.1-cve-2026-28388.patch: add NULL check for
       delta->crl_number before dereferencing in check_delta_base()
     - CVE-2026-28388
   * SECURITY UPDATE: NULL pointer dereference in CMS KeyAgreeRecipientInfo
     - debian/patches/openssl-1.1.1-cve-2026-28389.patch: use safe
       X509_ALGOR_get0() extraction in dh_cms_set_shared_info() and
       ecdh_cms_set_shared_info()
     - CVE-2026-28389
   * SECURITY UPDATE: NULL pointer dereference in CMS KeyTransportRecipientInfo
     - debian/patches/openssl-1.1.1-cve-2026-28390.patch: use safe
       X509_ALGOR_get0() extraction and OPENSSL_memdup() for label data in
       rsa_cms_decrypt()
     - CVE-2026-28390

Updated packages:

alt-openssl_1.1.1w-3.4_amd64.deb
sha:ea5469de6a6eb7867dc59ca85fac333993a7c725
alt-openssl-dev_1.1.1w-3.4_amd64.deb
sha:b855e824aae32070b45c37fe9b1216a94f9a387c
alt-openssl-doc_1.1.1w-3.4_all.deb
sha:51ed600a66c0a385ed111ade2fc5932602caffac
alt-openssl-libs_1.1.1w-3.4_amd64.deb
sha:d9f95823a7e40b89b05edfbab970bea35a923642

Notes:

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