ALAS2-2026-3249

Amazon Linux 2 Security Advisory: ALAS2-2026-3249
Advisory Released Date: 2026-04-14
Advisory Updated Date: 2026-04-14
Severity: Important
Issue Overview:

Potential use-after-free in DANE client code (CVE-2026-28387)

NULL Pointer Dereference When Processing a Delta CRL

NOTE: https://openssl-library.org/news/secadv/20260407.txt (CVE-2026-28388)

Possible NULL dereference when processing CMS KeyAgreeRecipientInfo (CVE-2026-28389)

Possible NULL dereference when processing CMS KeyTransportRecipientInfo (CVE-2026-28390)


Affected Packages:

openssl11


Note:

This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.


Issue Correction:
Run yum update openssl11 or yum update --advisory ALAS2-2026-3249 to update your system.

New Packages:
aarch64:
    openssl11-1.1.1zg-1.amzn2.0.1.aarch64
    openssl11-libs-1.1.1zg-1.amzn2.0.1.aarch64
    openssl11-devel-1.1.1zg-1.amzn2.0.1.aarch64
    openssl11-static-1.1.1zg-1.amzn2.0.1.aarch64
    openssl11-debuginfo-1.1.1zg-1.amzn2.0.1.aarch64

i686:
    openssl11-1.1.1zg-1.amzn2.0.1.i686
    openssl11-libs-1.1.1zg-1.amzn2.0.1.i686
    openssl11-devel-1.1.1zg-1.amzn2.0.1.i686
    openssl11-static-1.1.1zg-1.amzn2.0.1.i686
    openssl11-debuginfo-1.1.1zg-1.amzn2.0.1.i686

src:
    openssl11-1.1.1zg-1.amzn2.0.1.src

x86_64:
    openssl11-1.1.1zg-1.amzn2.0.1.x86_64
    openssl11-libs-1.1.1zg-1.amzn2.0.1.x86_64
    openssl11-devel-1.1.1zg-1.amzn2.0.1.x86_64
    openssl11-static-1.1.1zg-1.amzn2.0.1.x86_64
    openssl11-debuginfo-1.1.1zg-1.amzn2.0.1.x86_64

Additional References

Release Notes:  Amazon Linux 2 Release Notes

Red Hat: CVE-2026-28387, CVE-2026-28388, CVE-2026-28389, CVE-2026-28390

Mitre: CVE-2026-28387, CVE-2026-28388, CVE-2026-28389, CVE-2026-28390