[CLSA-2026:1776705838] alt-openssl11: Fix of 4 CVEs
Type:
security
Severity:
Important
Release date:
2026-04-20 17:24:02 UTC
Description:
- CVE-2026-28387: fix use-after-free in DANE client code by using X509_free() instead of OPENSSL_free() to properly release reference-counted X509 objects - CVE-2026-28388: fix NULL pointer dereference when processing a delta CRL that has a Delta CRL Indicator but lacks a CRL Number extension - CVE-2026-28389: fix NULL pointer dereference in CMS KeyAgreeRecipientInfo processing when KeyEncryptionAlgorithmIdentifier omits the optional parameter field, by using safe X509_ALGOR_get0() extraction - CVE-2026-28390: fix NULL pointer dereference in CMS KeyTransportRecipientInfo processing when RSA-OAEP SourceFunc parameters are missing, by using safe X509_ALGOR_get0() extraction and OPENSSL_memdup() for label data
Updated packages:
  • alt-openssl11-1.1.1w-3.3.el9.x86_64.rpm
    sha:cd70ef19caa37a0497f8e1843f33526fced8112670fa17f941cdbd6be36d3412
  • alt-openssl11-devel-1.1.1w-3.3.el9.x86_64.rpm
    sha:6e32a6f66a0981aa242a78317d82877be12b07684fdb2b62e10890416935733a
  • alt-openssl11-libs-1.1.1w-3.3.el9.x86_64.rpm
    sha:89262e6d37216b5f72aff85853ad32baed0c9adeb38738fa7f6ffaf0f75c54e7
Notes:
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