[El-errata] ELSA-2026-55450 Important: Oracle Linux 10 curl security update

[Errata Announcements for Oracle Linux]

Oracle Linux Security Advisory ELSA-2026-55450

http://linux.oracle.com/errata/ELSA-2026-55450.html

The following updated rpms for Oracle Linux 10 have been uploaded to the Unbreakable Linux Network:

x86_64:
curl-8.12.1-4.el10_2.4.x86_64.rpm
libcurl-8.12.1-4.el10_2.4.x86_64.rpm
libcurl-devel-8.12.1-4.el10_2.4.x86_64.rpm
libcurl-minimal-8.12.1-4.el10_2.4.x86_64.rpm

aarch64:
curl-8.12.1-4.el10_2.4.aarch64.rpm
libcurl-8.12.1-4.el10_2.4.aarch64.rpm
libcurl-devel-8.12.1-4.el10_2.4.aarch64.rpm
libcurl-minimal-8.12.1-4.el10_2.4.aarch64.rpm


SRPMS:
http://oss.oracle.com/ol10/SRPMS-updates/curl-8.12.1-4.el10_2.4.src.rpm

Related CVEs:

CVE-2025-14819
CVE-2026-1965
CVE-2026-3783
CVE-2026-3784
CVE-2026-8286
CVE-2026-9547
CVE-2026-12064




Description of changes:

[8.12.1-4.4]
- fix proxy environment variable change detection (CVE-2026-8927)

[8.12.1-4.el10_2.3]
- fix HTTP Negotiate connection reuse auth bypass (CVE-2026-1965)
- fix OAuth2 bearer token leak via redirect and netrc (CVE-2026-3783)
- fix proxy connection reuse with wrong credentials (CVE-2026-3784)

[8.12.1-4.2]
- fix SSH host key mismatch on type difference (CVE-2026-9547)
- fix schemeless URL handling with --proto-default (CVE-2026-12064)
- fix TLS/STARTTLS connection reuse vulnerability (CVE-2026-8286)

[8.12.1-4.1]
- openssl: fix CA cache reuse with CURLSSLOPT_NO_PARTIALCHAIN (CVE-2025-14819)