[UPDATE] [high] Red Hat Enterprise Linux (openEXR): Vulnerability allows code execution
A remote, anonymous attacker can exploit a vulnerability in Red Hat Enterprise Linux (openEXR) to execute arbitrary code.
CSIRTS triage
- What
- A vulnerability allows arbitrary code execution.
- Who is affected
- Remote, anonymous attackers targeting Red Hat Enterprise Linux (openEXR).
- Urgency
- High urgency due to the potential for remote code execution.
- Action
- Apply the latest security updates to mitigate this vulnerability.
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-2026-1440
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-2026-345880.48% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 39% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-34588 | coverage & exploitation status | NVD · CVE.org |
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.
- highCVE-2026-18358: A flaw was found in gnome-remote-desktop as shipped in Red Hat Enterprise Linux. When the daem…nvd · 2026-07-31
- medium[NEW] [medium] Red Hat Enterprise Linux (go-billy): Vulnerability allows Denial of Servicecert-bund · 2026-07-31
- high[NEW] [high] Red Hat Enterprise Linux (sssd, glib, c-ares): Multiple vulnerabilitiescert-bund · 2026-07-31
- medium[NEW] [medium] Red Hat Enterprise Linux (python-pillow): Multiple vulnerabilities allow denial of servicecert-bund · 2026-07-31
- medium[NEW] [medium] Red Hat Enterprise Linux (libsolv, aardvark-dns): Multiple vulnerabilitiescert-bund · 2026-07-31
- medium[NEW] [medium] Red Hat Enterprise Linux (freeipmi): Vulnerability allows denial of servicecert-bund · 2026-07-31
More from CERT-Bund (BSI) Security Advisories
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