[UPDATE] [medium] Red Hat Enterprise Linux (rrdcached): Vulnerability allows code execution and DoS
A local attacker can exploit a vulnerability in Red Hat Enterprise Linux to cause a denial-of-service attack or potentially execute arbitrary code.
CSIRTS triage
- What
- A local attacker can exploit a vulnerability to cause a denial-of-service attack or potentially execute arbitrary code.
- Who is affected
- Local deployments of Red Hat Enterprise Linux.
- Urgency
- Remediation is medium urgency due to the potential for code execution and denial of service.
- Action
- Apply the latest patches provided by Red Hat.
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-2026-2141
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-2026-439580.13% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 3% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-43958 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
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] [medium] Red Hat Enterprise Linux (perl-IO-Compress): Vulnerability allows executing arbitrary progra…cert-bund · 2026-07-10
- medium[UPDATE] [medium] Red Hat Enterprise Linux (crun): Vulnerability allows privilege escalationcert-bund · 2026-07-10
- high[UPDATE] [high] Red Hat Enterprise Linux (Lodash): Vulnerability allows denial of servicecert-bund · 2026-07-10
- medium[UPDATE] [medium] Red Hat Enterprise Linux (pyasn1): Vulnerability allows Denial of Servicecert-bund · 2026-07-10
- medium[UPDATE] [medium] Red Hat Enterprise Linux (LibRaw): Vulnerability allows code executioncert-bund · 2026-07-10
- high[UPDATE] [high] Red Hat Enterprise Linux (libsoup): Vulnerability allows information disclosurecert-bund · 2026-07-10
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