CVE-2026-107928

Description

When curl is built with GnuTLS, a malicious WebSocket server can make curl send memory past its send buffer. This is due to an out of bounds read following when `gnutls_record_send()` returns a number of bytes sent **greater than the number of bytes it was given to send**. GnuTLS does that after a blocked send.

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Produits concernés

• curl

Références

• https://curl.se/docs/CVE-2026-107928.html
• https://curl.se/docs/CVE-2026-107928.json
• https://hackerone.com/reports/4099194

Ailleurs

• NVD
• CVE.org
• CIRCL Vulnerability-Lookup
• CERT-FR
• GitHub Advisories