{"id":"CVE-2026-57156","summary":"FreeRDP: Integer overflow leading to heap buffer overflow in Orders Delta Points parsing","details":"FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.28.0 on 32-bit builds, FreeRDP clients contain an integer overflow in update_read_delta_points in libfreerdp/core/orders.c when multiplying an attacker-controlled point count by sizeof(DELTA_POINT), allowing a malicious RDP peer to allocate an undersized heap buffer and then write beyond it during initialization. This issue is fixed in version 3.28.0.","aliases":["GHSA-v5wf-j8j4-77h7"],"modified":"2026-07-16T03:48:43.442152100Z","published":"2026-07-10T19:52:25.553Z","related":["openSUSE-SU-2026:11263-1"],"database_specific":{"cna_assigner":"GitHub_M","cwe_ids":["CWE-122","CWE-190"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/57xxx/CVE-2026-57156.json"},"references":[{"type":"WEB","url":"https://github.com/FreeRDP/FreeRDP/releases/tag/3.28.0"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/57xxx/CVE-2026-57156.json"},{"type":"ADVISORY","url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-v5wf-j8j4-77h7"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-57156"},{"type":"FIX","url":"https://github.com/FreeRDP/FreeRDP/commit/487f35daccb36a6224e530dcd8fa60850825f823"},{"type":"FIX","url":"https://github.com/FreeRDP/FreeRDP/pull/12938"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/freerdp/freerdp","events":[{"introduced":"0"},{"fixed":"5370fb26fbf034ecd11d3026b6ad639b5fff493f"},{"fixed":"487f35daccb36a6224e530dcd8fa60850825f823"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"3.28.0"}],"source":["CPE_RANGE","REFERENCES"],"cpe":"cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:*"}}],"versions":["3.5.1","3.5.0","3.4.0","3.3.0","3.2.0","3.1.0","3.0.0","3.0.0-rc0","3.0.0-beta4","3.0.0-beta3","3.0.0-beta2","3.0.0-beta1","2.0.0","2.0.0-rc4","2.0.0-rc3","2.0.0-rc2","2.0.0-rc1","2.0.0-rc0","2.0.0-beta1+android11","2.0.0-beta1+android10","1.2.0-beta1+android9","1.2.0-beta1+android7","1.1.0-beta+2013071101","1.1.0-beta1+ios4","1.1.0-beta1+android5","1.1.0-beta1+android4","1.1.0-beta1+ios3","1.1.0-beta1+ios2","1.1.0-beta1+android3","1.1.0-beta1+android2","1.1.0-beta1+ios1","1.1.0-beta1","1.0.1","1.0.0","1.0-beta5","1.0-beta4","1.0-beta2","1.0-beta1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-57156.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V4","score":"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"}]}