Cisco OPENH264 vulnerabilities

3 CVEs affecting Cisco OPENH264, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2025-27091, published 2025-02-20.

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Known exploited (CISA KEV) first, then by EPSS exploit probability.

• CVE-2014-8001, published 2014-11-25. High severity, CVSS 7.5. EPSS: 2.5% chance of exploitation in the next 30 days. Buffer overflow in decode.cpp in Cisco OpenH264 1.2.0 and earlier allows remote attackers to execute arbitrary code via an encoded media file.
• CVE-2014-8002, published 2014-11-25. High severity, CVSS 7.5. EPSS: 2.2% chance of exploitation in the next 30 days. Use-after-free vulnerability in decode_slice.cpp in Cisco OpenH264 1.2.0 and earlier allows remote attackers to execute arbitrary code via an encoded media file.
• CVE-2025-27091, published 2025-02-20. High severity, CVSS 7.5. EPSS: 0.7% chance of exploitation in the next 30 days. OpenH264 is a free license codec library which supports H.264 encoding and decoding. A vulnerability in the decoding functions of OpenH264 codec library could allow a remote, unauthenticated attacker…