[NEW] [medium] Red Hat Enterprise Linux (pipewire,dbus-broker): Multiple vulnerabilities allow Denial of Service
An attacker can exploit multiple vulnerabilities in Red Hat Enterprise Linux to conduct a Denial of Service attack.
CSIRTS triage
- What
- Multiple denial of service vulnerabilities in pipewire and dbus-broker components.
- Who is affected
- Red Hat Enterprise Linux systems with pipewire and dbus-broker installed.
- Urgency
- Medium; DoS impact but exploitation likely requires local or adjacent network access.
- Action
- Apply Red Hat security updates for affected packages when available.
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-2026-3095
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-2026-143240.23% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 14% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-143300.11% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 2% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-167300.11% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 1% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-14324 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-14330 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-16730 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
- mediumCVE-2026-16730: A flaw was found in dbus-broker. When the process file-descriptor limit is reached, EMFILE/ENF…nvd
- unknownUSN-8535-1: PipeWire vulnerabilitiesubuntu
- mediumCVE-2026-14330: Multiple unbounded alloca() calls in the PulseAudio protocol server.nvd
- mediumCVE-2026-14324: RAOP module accepts unbounded Content-Length values and does not check the pw_array_add() retu…nvd
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.
- high[UPDATE] [high] Red Hat Enterprise Linux (libsoup): Multiple vulnerabilitiescert-bund · 2026-09-04
- high[UPDATE] [high] Red Hat Enterprise Linux (urllib3): Multiple vulnerabilities allow denial of servicecert-bund · 2026-09-04
- medium[UPDATE] [medium] Red Hat Enterprise Linux: Multiple vulnerabilitiescert-bund · 2026-09-04
- medium[UPDATE] [medium] Red Hat Enterprise Linux (libxslt): Vulnerability enables code executioncert-bund · 2026-09-04
- medium[UPDATE] [medium] Red Hat Enterprise Linux (requests): Vulnerability allows information disclosurecert-bund · 2026-09-04
- medium[UPDATE] [medium] Red Hat Enterprise Linux (go-jose): Vulnerability allows denial of servicecert-bund · 2026-09-04
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