[UPDATE] [medium] Ruby: Vulnerability enables Denial of Service
An attacker can exploit a vulnerability in Ruby to conduct a Denial of Service attack.
CSIRTS triage
- What
- A vulnerability in Ruby allows attackers to conduct denial of service attacks.
- Who is affected
- Ruby applications and deployments running affected versions.
- Urgency
- Medium priority; denial of service vulnerability warrants timely remediation.
- Action
- Update Ruby to the patched version addressing CVE-2025-24294.
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-2025-1472
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-2025-242940.56% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 44% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2025-24294 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for Ruby
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.
- unknownCVE-2026-44476: Doorkeeper is an OAuth 2 provider for Ruby on Rails. In version 1.9.0, an attacker who knows o…nvd · 2026-08-25
- mediumCVE-2026-79771: Nokogiri versions before 1.19.3 contain a memory leak in the XSLT Stylesheet transform method …nvd · 2026-08-25
- medium[UPDATE] [medium] Ruby: Vulnerability allows Denial of Servicecert-bund · 2026-08-17
- high[NEW] [high] Ruby: Multiple vulnerabilitiescert-bund · 2026-08-17
- high[UPDATE] [high] HCL BigFix Compliance (Ruby): Multiple vulnerabilitiescert-bund · 2026-08-17
- highCVE-2026-53970: ZeroBrew version 0.3.1 and prior contains a missing integrity verification vulnerability in th…nvd · 2026-08-14
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