CVE-2016-0797: Canonical Ubuntu Linux

High severity, CVSS 7.5. EPSS: 27% chance of exploitation in the next 30 days.

Multiple integer overflows in OpenSSL 1.0.1 before 1.0.1s and 1.0.2 before 1.0.2g allow remote attackers to cause a denial of service (heap memory corruption or NULL pointer dereference) or possibly have unspecified other impact via a long digit string that is mishandled by the (1) BN_dec2bn or (2) BN_hex2bn function, related to crypto/bn/bn.h and crypto/bn/bn_print.c.

Affected products

• Canonical Ubuntu Linux: version 12.04 only; version 14.04 only; version 15.10 only
• Debian Debian Linux: version 7.0 only; version 8.0 only
• Node.js Node.js: from 4.0.0, before 4.1.2 (fixed in 4.1.2); from 4.2.0, before 4.3.2 (fixed in 4.3.2); from 5.0.0, before 5.7.1 (fixed in 5.7.1)
• OpenSSL OpenSSL: version 1.0.1 only; version 1.0.1a only; version 1.0.1b only; version 1.0.1c only; version 1.0.1d only; version 1.0.1e only; …

Published 2016-03-03. Last modified 2026-06-17.