[UPDATE] [medium] OpenSSL: Vulnerability allows Denial of Service
A remote, anonymous attacker can exploit a vulnerability in OpenSSL to conduct a Denial of Service attack.
CSIRTS triage
- What
- A vulnerability allows a remote, anonymous attacker to conduct a Denial of Service attack.
- Who is affected
- Deployments using OpenSSL are affected.
- Urgency
- Remediation is medium urgency as it could lead to service disruption.
- Action
- Update OpenSSL to the latest version.
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-2024-0093
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.
- Moderate exploitation riskCVE-2023-62372.3% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 82% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2023-6237 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for OpenSSL
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.
- unknownUSN-8625-1: OpenSSL vulnerabilityubuntu · 2026-07-30
- medium[UPDATE] [medium] OpenSSL: Multiple vulnerabilitiescert-bund · 2026-07-30
- high[UPDATE] [high] OpenSSL: Multiple Vulnerabilitiescert-bund · 2026-07-30
- medium[UPDATE] [medium] OpenSSL and LibreSSL: Multiple vulnerabilitiescert-bund · 2026-07-28
- low[UPDATE] [low] OpenSSL: Vulnerability allows bypassing security measurescert-bund · 2026-07-23
- mediumCVE-2026-59847: A flaw was found in libssh. Incorrect AES-GCM finalization checks in builds using the OpenSSL …nvd · 2026-07-21
More from CERT-Bund (BSI) Security Advisories
- medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities allow denial of service2026-07-31
- medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities allow Denial of Service2026-07-31
- medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities allow denial of service2026-07-31
- medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities2026-07-31
- medium[UPDATE] [medium] Linux Kernel (ntfs3): Vulnerability allows information disclosure2026-07-31