CVE-2026-62959
CVE-2026-62959: 1 tracked advisory record across Red Hat. Compare vendor sources and published fix guidance.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Vendor advisory comparison
Red Hat
1 advisory- Advisory severityHigh7.5
High [CVE-2026-62959] Pre-authentication heap memory disclosure
CVE-2026-62959Source published Source updated
Coturn is a free open source implementation of TURN and STUN Server. From 4.5.2 through 4.14.0, when Coturn is started with --acme-redirect and exposes a plaintext-TCP listener, an unauthenticated remote client can send a single ordinary HTTP GET request and receive a 301 response whose Location header contains up to ~870 bytes of adjacent process heap memory. The leaked region is a recycled network receive buffer that is reused without being zeroed, so on a busy server it can contain data from other clients' requests (TURN credentials, OAuth tokens, relayed payloads). Root cause is a signed→unsigned conversion. This issue is fixed in version 4.15.0. A flaw was found in Coturn. On a busy server, this leaked memory may contain sensitive information from other clients, such as…
- Affected products in this advisory
- No product details extracted. Check the source bulletin.
- Source-reported affected versions
- 4.5.2
- 4.14.0
- Source-reported fixed versions
- 4.15.0
- Mitigation guidance
- No action needed - the shipped coturn build (4.16.0) already contains the upstream fix.
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