{"id":"CVE-2026-114043","title":"Vulnerability in FreeRDP","summary":"FreeRDP before 3.32.1 contains a heap-based out-of-bounds read in WinPR's clipboard PNG-to-CF_DIB synthesis because winpr_read_png_from_buffer() allocates a bit-packed buffer for PNGs with bit depth below 8, while winpr_bitmap_write_buff…","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","cvssSource":"cna","cwe":["CWE-125"],"vendor":"FreeRDP","product":"FreeRDP","affected":["FreeRDP < 3.32.1"],"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-27T21:38:01.202507Z"},"exploitAvailable":true,"published":"2026-10-21","updated":"2026-10-27","sourceUpdated":"2026-10-27T21:39:05.944Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-114043","references":[{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-f3vg-h45x-6wgf","label":"GitHub Security Advisory (GHSA-f3vg-h45x-6wgf)"},{"url":"https://www.vulncheck.com/advisories/vulnerability-in-freerdp","label":"VulnCheck Advisory: Vulnerability in FreeRDP"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-114043.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-114043"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2558011"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-114043"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-114043"}],"tags":["cve.org","exploit-available","csaf","vex","red-hat"],"epss":0.00404,"epssPercentile":0.34856,"ingestedAt":"2026-10-21T01:37:08.045Z","slug":"CVE-2026-114043","body":"## Overview\n\nFreeRDP before 3.32.1 contains a heap-based out-of-bounds read in WinPR's clipboard PNG-to-CF_DIB synthesis because winpr_read_png_from_buffer() allocates a bit-packed buffer for PNGs with bit depth below 8, while winpr_bitmap_write_buffer() copies rows assuming one byte per pixel. A malicious RDP server can send a crafted low-bit-depth PNG clipboard payload that, when pasted by the victim, discloses megabytes of heap memory.\n\n## Affected\n\n- `FreeRDP < 3.32.1`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Moderate · affected: Red Hat Enterprise Linux 10 · no fix planned: Red Hat Enterprise Linux 10 · updated 2026-10-21 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-114043.json)","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":35.8,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":230466,"id":"CVE-2026-114043","ts":1793138316733,"field":"exploit_available","old":"false","new":"true"}]}