CVE-2015-5147: Stack-based buffer overflow in the header_anchor function in the HTML renderer in Redcarpet before 3.3.2 al...

Security readout for executives and security teams

Redcarpet, a Markdown HTML rendering component, had a stack-based buffer overflow before version 3.3.2. An attacker could crash a process and the CVE says arbitrary code execution may be possible, but the provided sources do not define the attack vector or affected downstream products. Exposure is most likely in applications that use Redcarpet before 3.3.2 to render untrusted Markdown or generated headers. The provided data lists no affected CPEs, downstream products, operating systems, or hosted services. Treat this as a targeted dependency remediation item, not a confirmed internet-wide emergency. Prioritize customer-facing or multi-tenant systems that render user-provided Markdown because the stated impact includes service crashes and possible code execution. Mitigation focus: Inventory applications and services that depend on Redcarpet.; Upgrade Redcarpet to version 3.3.2 or later where present.; Prioritize systems rendering user-supplied Markdown or page headers..

Prepared

Jun 13, 2026, 22:22 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.