[NEW] [medium] GNU libc: Vulnerability enables Denial of Service
A local attacker can exploit a vulnerability in GNU libc to perform a Denial of Service attack.
CSIRTS triage
- What
- A local attacker can exploit a vulnerability to perform a denial of service attack.
- Who is affected
- Systems running affected versions of GNU libc; requires local access.
- Urgency
- Medium severity; local dos impact is moderate but glibc is widely deployed.
- Action
- Apply glibc security patch once available from your distribution.
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-2026-2740
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-2026-63680.11% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 1% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-6368 | 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 GNU libc
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] GNU libc: Multiple vulnerabilitiescert-bund · 2026-08-12
- critical[UPDATE] [critical] GNU libc: Multiple vulnerabilitiescert-bund · 2026-08-12
- medium[UPDATE] [medium] GNU libc: Multiple vulnerabilities allow manipulation of DNS responsescert-bund · 2026-08-07
- medium[UPDATE] [medium] GNU libc: Vulnerability allows denial of servicecert-bund · 2026-08-07
- medium[UPDATE] [medium] GNU libc: Vulnerability Allows Denial of Servicecert-bund · 2026-08-06
- medium[UPDATE] [medium] GNU libc: Vulnerability allows information disclosurecert-bund · 2026-07-16
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