{"id":"CVE-2026-111379","kind":"vulnerability","aliases":["CVE-2026-111379"],"related":[],"title":"FreeRDP: crafted persistent cache file overflows heap buffer, possible code execution","description":"FreeRDP before 3.32.0 contains a heap buffer overflow vulnerability in persistent_cache_read_entry_v3 that allows local attackers to corrupt memory by supplying a crafted v3 persistent cache file. Attackers can set large width and height values that wrap the size calculation in persist_cache_get_data, causing fread to overflow an undersized buffer and potentially execute code.","summary":"FreeRDP before 3.32.0 has a heap buffer overflow in its v3 persistent cache reader. A crafted cache file with large width and height values wraps a size calculation, so fread writes past an undersized buffer and may run code.","severity":"high","cvss":7.3,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"freerdp","fixed":["3.32.0"],"affected":"< 3.32.0","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["desktop","freerdp","linux","package","remote-desktop"],"not_affected_if":["fixed-version","no-local-access"],"how_to_check":"- `xfreerdp /version` or `freerdp --version` to read the installed FreeRDP version\n- Check whether the client reads a persistent bitmap cache file (v3 format) from the user's cache directory\n- Check the installed package version in the system package manager","fix":"- Upgrade FreeRDP to `3.32.0` or later\n- Rebuild any statically linked or vendored FreeRDP copies from a fixed release","status":"open","published_at":"2026-10-16T03:18:04+00:00","first_seen_at":"2026-10-23T21:57:12+00:00","triaged_at":"2026-10-25T03:27:35+00:00","updated_at":"2026-10-25T03:27:35+00:00","category":"package","confidence":0.6,"triage":{"at":"2026-10-25T03:27:35Z","model":"claude-haiku-5-5","output":{"fix":"- Upgrade FreeRDP to `3.32.0` or later\n- Rebuild any statically linked or vendored FreeRDP copies from a fixed release","reach":"local","title":"FreeRDP: crafted persistent cache file overflows heap buffer, possible code execution","impact":"high","summary":"FreeRDP before 3.32.0 has a heap buffer overflow in its v3 persistent cache reader. A crafted cache file with large width and height values wraps a size calculation, so fread writes past an undersized buffer and may run code.","category":"package","nicknames":[],"who_cares":["freerdp","linux","desktop","remote-desktop"],"confidence":0.6,"needs_auth":"unknown","worst_case":"Local attacker may run code as the FreeRDP client user","analyst_note":"","how_to_check":"- `xfreerdp /version` or `freerdp --version` to read the installed FreeRDP version\n- Check whether the client reads a persistent bitmap cache file (v3 format) from the user's cache directory\n- Check the installed package version in the system package manager","needs_analyst":false,"not_affected_if":["fixed-version","no-local-access"],"who_is_affected":"Only machines running a FreeRDP client older than `3.32.0` are exposed, and the attacker needs a way to place or swap a crafted persistent cache file on that machine. Servers that do not run FreeRDP clients, and clients that are already on `3.32.0` or later, are not affected.","user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.000613,"input_tokens":3387,"output_tokens":548,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-111379':14A,17A '-2026':13A,16A '3.32.0':28B,67C 'allow':81C 'attack':83C,95C 'buffer':8A,32B,60B,71C,119C 'cach':4A,38B,42B,76C,93C,110C 'calcul':53B,107C 'caus':113C 'code':10A,64B,123C 'contain':68C 'corrupt':85C 'craft':2A,41B,90C 'cve':12A,15A 'data':112C 'desktop':19B,25B 'entri':78C 'execut':11A,122C 'file':5A,43B,94C 'fread':55B,114C 'freerdp':1A,18A,20B,26B,65C 'get':111C 'heap':7A,31B,70C 'height':48B,101C 'larg':45B,98C 'linux':21B 'local':82C 'may':62B 'memori':86C 'overflow':6A,33B,72C,116C 'packag':22B 'past':57B 'persist':3A,37B,75C,92C,109C 'possibl':9A 'potenti':121C 'read':77C 'reader':39B 'remot':24B 'remote-desktop':23B 'run':63B 'set':97C 'size':52B,106C 'suppli':88C 'unders':59B,118C 'v3':36B,79C,91C 'valu':49B,102C 'vulner':73C 'width':46B,99C 'wrap':50B,104C 'write':56B","nicknames":[],"mitigations":[],"who_affected":"Only machines running a FreeRDP client older than `3.32.0` are exposed, and the attacker needs a way to place or swap a crafted persistent cache file on that machine. Servers that do not run FreeRDP clients, and clients that are already on `3.32.0` or later, are not affected.","tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-16T03:18:04+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","cvss_by":"disclosure@vulncheck.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-111379","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-111379","severity":null,"published_at":"2026-10-16T03:18:04+00:00","modified_at":"2026-10-20T15:34:45+00:00","first_seen_at":"2026-10-23T21:57:12+00:00","fetched_at":"2026-10-23T22:28:54+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}