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Red Hat Security Advisory

RHSA-2026:67148

osbuild-composer security update

Released 2026-09-14 · Red Hat rating Important · View on Red Hat →

Fixed in

Fixes 6 records

Priority MEDIUM 40

Decoding a maliciously-crafted MIME header containing many invalid encoded-words can consume excessive CPU.

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.0056 Published 2026-06-02 Partial fix · 1.25.11, 1.26.4 CWE-407
Priority MEDIUM 40

Pathological inputs could cause DoS through consumePhrase when parsing an email address according to RFC 5322.

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.00798 Published 2026-05-07 Partial fix · 1.25.10, 1.26.3
TI-2026-24810 CVE-2026-32281 · GHSA-gjvh-7jh8-7xhm

Inefficient policy validation in crypto/x509

Priority LOW 39

Validating certificate chains which use policies is unexpectedly inefficient when certificates in the chain contain a very large number of policy mappings, possibly causing denial of service.

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.00361 Published 2026-04-08 Partial fix · 1.25.9, 1.26.2 CWE-295
Priority LOW 19

Due to the usage of a variable time instruction in the assembly implementation of an internal function, a small number of bits of secret scalars are leaked on the ppc64le architecture.

CVSS 3.1MEDIUM 4.0 Local No auth No interaction EPSS 0.0029 Published 2025-02-06 Partial fix · 1.22.12, 1.23.6 +1