[UPDATE] [hoch] Red Hat Enterprise Linux (librest, pipewire): Mehrere Schwachstellen
Ein Angreifer kann mehrere Schwachstellen in Red Hat Enterprise Linux ausnutzen, um Sicherheitsvorkehrungen zu umgehen und beliebigen Code auszuführen.
CSIRTS triage
- What
- An attacker can exploit multiple vulnerabilities to bypass security measures and execute arbitrary code.
- Who is affected
- Users of Red Hat Enterprise Linux are affected.
- Urgency
- Remediation is urgent due to high severity and potential for exploitation.
- Action
- Update Red Hat Enterprise Linux to the latest version to mitigate the vulnerabilities.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2553
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-2026-166150.25% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 17% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-56740.21% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 11% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-16615 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-5674 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
- mediumCVE-2026-16615: A flaw was found in librest. The PKCE implementation for OAuth authorization uses the GRand fu…nvd
- highCVE-2026-5674: A flaw was found in PipeWire, a multimedia server. This vulnerability allows an attacker to esc…nvd
- mediumCVE-2026-16615: Librest: weak random number generation in pkce implementationmsrc
Recent advisories for Red Hat Enterprise
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] [mittel] Red Hat Enterprise Linux: Mehrere Schwachstellencert-bund · 2026-09-11
- high[UPDATE] [hoch] Red Hat Enterprise Linux (postgis, virtuoso-opensource): Mehrere Schwachstellencert-bund · 2026-09-11
- high[UPDATE] [hoch] Red Hat Enterprise Linux (lxml): Schwachstelle ermöglicht Umgehen von Sicherheitsvorkehrungencert-bund · 2026-09-11
- high[UPDATE] [hoch] Red Hat Enterprise Linux (openCryptoki, hplip, 389-ds-base): Mehrere Schwachstellencert-bund · 2026-09-11
- medium[UPDATE] [mittel] Red Hat Enterprise Linux (go-jose): Schwachstelle ermöglicht Denial of Servicecert-bund · 2026-09-11
- high[UPDATE] [hoch] Red Hat Enterprise Linux und Satellite (satellite/iop-remediations-rhel9 container image): Meh…cert-bund · 2026-09-11
More from CERT-Bund (BSI) Security Advisories
- high[UPDATE] [hoch] Red Hat Enterprise Linux (postgis, virtuoso-opensource): Mehrere Schwachstellen2026-09-11
- medium[UPDATE] [mittel] Red Hat Enterprise Linux: Mehrere Schwachstellen2026-09-11
- medium[UPDATE] [mittel] Linux Kernel: Schwachstelle ermöglicht Denial of Service2026-09-11
- medium[UPDATE] [mittel] Linux Kernel: Mehrere Schwachstellen2026-09-11
- high[UPDATE] [hoch] OpenSSL: Mehrere Schwachstellen2026-09-11