{"id":"GHSA-5pmw-9j92-3c4c","aliases":["RUSTSEC-2025-0008"],"status":"published","title":"OpenH264 Rust API Openh264 Decoding Functions Heap Overflow Vulnerability","description":"OpenH264 recently reported a [heap overflow](https://github.com/cisco/openh264/security/advisories/GHSA-m99q-5j7x-7m9x) that was fixed in upstream [63db555](https://github.com/cisco/openh264/commit/63db555e30986e3a5f07871368dc90ae78c27449) and [integrated into](https://github.com/ralfbiedert/openh264-rs/commit/3a822fff0b4c9a984622ca2b179fe8898ac54b14) our 0.6.6 release. For users relying on Cisco's pre-compiled DLL, we also published 0.8.0, which is compatible with their latest fixed DLL version  2.6.0. \n\nIn other words:\n- if you rely on our `source` feature only, \u003e=0.6.6 should be safe,\n- if you rely on `libloading`, you must upgrade to 0.8.0 _and_ use their latest DLL \u003e=2.6.0. \n\nUsers handling untrusted video files should update immediately.","severity":{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","from":"ghsa"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-122","CWE-1395"],"published":"2025-02-24T12:00:00Z","modified":"2026-02-04T03:50:52Z","fixes":[{"ecosystem":"crates.io","package":"openh264-sys2","fixed_in":["0.8.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"crates.io","package":"openh264-sys2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.0"}]}]},{"source":"osv","ecosystem":"crates.io","package":"openh264-sys2","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.8.0"}]}]},{"source":"osv","ecosystem":"crates.io","package":"openh264-sys2","ranges":[{"type":"SEMVER","events":[{"introduced":"0.0.0-0"},{"fixed":"0.8.0"}]}]}],"references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-27091","tags":["advisory"]},{"url":"https://github.com/cisco/openh264/pull/3818","tags":["web"]},{"url":"https://github.com/ralfbiedert/openh264-rs/commit/3a822fff0b4c9a984622ca2b179fe8898ac54b14","tags":["web"]},{"url":"https://rustsec.org/advisories/RUSTSEC-2025-0008.html","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-5pmw-9j92-3c4c"},{"url":"https://github.com/ralfbiedert/openh264-rs","tags":["package"]},{"url":"https://crates.io/crates/openh264-sys2","tags":["package"]},{"url":"https://github.com/cisco/openh264/pull/3818/","tags":["web"]}],"sources":{"ghsa":[{"id":"GHSA-5pmw-9j92-3c4c","title":"OpenH264 Rust API Openh264 Decoding Functions Heap Overflow Vulnerability","description":"OpenH264 recently reported a [heap overflow](https://github.com/cisco/openh264/security/advisories/GHSA-m99q-5j7x-7m9x) that was fixed in upstream [63db555](https://github.com/cisco/openh264/commit/63db555e30986e3a5f07871368dc90ae78c27449) and [integrated into](https://github.com/ralfbiedert/openh264-rs/commit/3a822fff0b4c9a984622ca2b179fe8898ac54b14) our 0.6.6 release. For users relying on Cisco's pre-compiled DLL, we also published 0.8.0, which is compatible with their latest fixed DLL version  2.6.0. \n\nIn other words:\n- if you rely on our `source` feature only, \u003e=0.6.6 should be safe,\n- if you rely on `libloading`, you must upgrade to 0.8.0 _and_ use their latest DLL \u003e=2.6.0. \n\nUsers handling untrusted video files should update immediately.","status":"published","published":"2025-02-24T18:27:25Z","modified":"2025-02-24T18:27:26Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-122","CWE-1395"],"updated_at":"2026-11-02T14:38:32.275316Z"}],"osv":[{"id":"GHSA-5pmw-9j92-3c4c","title":"OpenH264 Rust API Openh264 Decoding Functions Heap Overflow Vulnerability","description":"OpenH264 recently reported a [heap overflow](https://github.com/cisco/openh264/security/advisories/GHSA-m99q-5j7x-7m9x) that was fixed in upstream [63db555](https://github.com/cisco/openh264/commit/63db555e30986e3a5f07871368dc90ae78c27449) and [integrated into](https://github.com/ralfbiedert/openh264-rs/commit/3a822fff0b4c9a984622ca2b179fe8898ac54b14) our 0.6.6 release. For users relying on Cisco's pre-compiled DLL, we also published 0.8.0, which is compatible with their latest fixed DLL version  2.6.0. \n\nIn other words:\n- if you rely on our `source` feature only, \u003e=0.6.6 should be safe,\n- if you rely on `libloading`, you must upgrade to 0.8.0 _and_ use their latest DLL \u003e=2.6.0. \n\nUsers handling untrusted video files should update immediately.","status":"published","published":"2025-02-24T18:27:25Z","modified":"2025-10-28T06:29:23.180686Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-122","CWE-1395"],"updated_at":"2026-11-02T15:46:38.553953Z"},{"id":"RUSTSEC-2025-0008","title":"Openh264 Decoding Functions Heap Overflow Vulnerability","description":"OpenH264 recently reported a [heap overflow](https://github.com/cisco/openh264/security/advisories/GHSA-m99q-5j7x-7m9x) that was fixed in upstream [63db555](https://github.com/cisco/openh264/commit/63db555e30986e3a5f07871368dc90ae78c27449) and [integrated into](https://github.com/ralfbiedert/openh264-rs/commit/3a822fff0b4c9a984622ca2b179fe8898ac54b14) our 0.6.6 release. For users relying on Cisco's pre-compiled DLL, we also published 0.8.0, which is compatible with their latest fixed DLL version  2.6.0. \n\nIn other words:\n- if you rely on our `source` feature only, \u003e=0.6.6 should be safe,\n- if you rely on `libloading`, you must upgrade to 0.8.0 _and_ use their latest DLL \u003e=2.6.0. \n\nUsers handling untrusted video files should update immediately.","status":"published","published":"2025-02-24T12:00:00Z","modified":"2026-02-04T03:50:52.492478Z","updated_at":"2026-11-02T15:53:39.971022Z"}]}}