CVE-2025-11931 — Integer Underflow Leads to Out-of-Bounds Access in XChaCha20-Poly1305 Decrypt
Integer Underflow Leads to Out-of-Bounds Access in XChaCha20-Poly1305 Decrypt. This issue is hit specifically with a call to the function wc_XChaCha20Poly1305_Decrypt() which is…
Published: 2025-11-21 · CVSS: 2.1 · CVSS 4.0
Integer Underflow Leads to Out-of-Bounds Access in XChaCha20-Poly1305 Decrypt. This issue is hit specifically with a call to the function wc_XChaCha20Poly1305_Decrypt() which is not used with TLS connections, only from direct calls from an application.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7