CVE-2007-5135: OpenSSL

Medium severity, CVSS 6.8. EPSS: 16.1% chance of exploitation in the next 30 days.

Off-by-one error in the SSL_get_shared_ciphers function in OpenSSL 0.9.7 up to 0.9.7l, and 0.9.8 up to 0.9.8f, might allow remote attackers to execute arbitrary code via a crafted packet that triggers a one-byte buffer underflow. NOTE: this issue was introduced as a result of a fix for CVE-2006-3738. As of 20071012, it is unknown whether code execution is possible.

Affected products

• OpenSSL OpenSSL: version 0.9.7 only; version 0.9.7a only; version 0.9.7b only; version 0.9.7c only; version 0.9.7d only; version 0.9.7e only; …

Published 2007-09-27. Last modified 2026-06-16.