[UPDATE] [high] Red Hat Hardened Images RPMs (jq and pyOpenSSL): Multiple vulnerabilities

highCVE-2026-27448 CVE-2026-27459 CVE-2026-39979 CVE-2026-40164

A remote, anonymous attacker can exploit multiple vulnerabilities in Red Hat Hardened Images RPMs to bypass security measures, cause a Denial-of-Service condition, disclose confidential information, or conduct unspecified attacks, including potential code execution.

CSIRTS triage

vendor: Red Hat product: Red Hat Hardened Images RPMs Remote code execution Denial of service Information disclosureOther

What: A remote, anonymous attacker can exploit multiple vulnerabilities in Red Hat Hardened Images RPMs to bypass security measures, cause a Denial-of-Service condition, disclose confidential information, or conduct unspecified attacks, including potential code execution.
Who is affected: Users of Red Hat Hardened Images RPMs are affected by these vulnerabilities.
Urgency: Remediation is high urgency due to the variety of potential impacts including code execution and denial of service.
Action: Update the affected RPMs to the latest versions to address these vulnerabilities.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source: CERT-Bund (BSI) Security Advisories (DE · national-cert · site)
Severity: high
Published: 2026-07-09
Exploitation: Not in CISA KEV at last sync
Language: Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1183

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-274480.24% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 15% of all scored CVEs.
Low exploitation riskCVE-2026-274590.70% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 49% of all scored CVEs.
Low exploitation riskCVE-2026-399790.56% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 43% of all scored CVEs.
Low exploitation riskCVE-2026-401640.37% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 29% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-27448	coverage & exploitation status	NVD · CVE.org
CVE-2026-27459	coverage & exploitation status	NVD · CVE.org
CVE-2026-39979	coverage & exploitation status	NVD · CVE.org
CVE-2026-40164	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

unknownMultiple vulnerabilities in Red Hat Linux kernel (July 10, 2026)cert-fr-avis
unknownMultiple vulnerabilities in Red Hat Linux kernel (July 3, 2026)cert-fr-avis
unknownRedHat Linux Kernel Multiple Vulnerabilitieshkcert
unknownMultiple vulnerabilities in the Red Hat Linux kernel (June 26, 2026)cert-fr-avis

Recent advisories for Red Hat Hardened

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

medium[UPDATE] [medium] Red Hat Hardened Images RPMs: Multiple vulnerabilitiescert-bund · 2026-07-09
medium[UPDATE] [medium] Red Hat Hardened Images RPMs: Multiple vulnerabilitiescert-bund · 2026-07-02
medium[UPDATE] [medium] Red Hat Hardened Images RPMs: Multiple vulnerabilitiescert-bund · 2026-07-02