[UPDATE] [hoch] Red Hat Enterprise Linux (JWCrypto und python-markdown): Mehrere Schwachstellen ermöglichen Denial of Service
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Red Hat Enterprise Linux ausnutzen, um einen Denial of Service Angriff durchzuführen.
CSIRTS triage
- What
- Multiple vulnerabilities allow a denial of service attack.
- Who is affected
- Remote, anonymous attackers targeting Red Hat Enterprise Linux.
- Urgency
- Remediation is urgent due to the high severity of the vulnerabilities.
- Action
- Apply the latest updates 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-2026-1610
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-2025-695340.57% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 45% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-393730.29% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 22% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2025-69534 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-39373 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
- unknownUSN-8509-1: Python vulnerabilitiesubuntu
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 (glib2): Mehrere Schwachstellencert-bund · 2026-09-14
- medium[UPDATE] [mittel] Red Hat Enterprise Linux (p11-kit): Schwachstelle ermöglicht Denial of Servicecert-bund · 2026-09-14
- medium[UPDATE] [mittel] Red Hat Enterprise Linux (freeipmi): Schwachstelle ermöglicht Denial of Servicecert-bund · 2026-09-14
- high[UPDATE] [hoch] Red Hat Enterprise Linux (freeipmi): Schwachstelle ermöglicht Codeausführungcert-bund · 2026-09-14
- medium[UPDATE] [mittel] Red Hat Enterprise Linux (go-jose): Schwachstelle ermöglicht Denial of Servicecert-bund · 2026-09-14
- medium[NEU] [mittel] Red Hat Enterprise Linux (libgit2): Schwachstelle ermöglicht Denial of Servicecert-bund · 2026-09-14
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