CVE-2026-55648
CVE-2026-55648 · FreeRDP: Integer Overflow in `freerdp_image_copy_from_icon_data` Bypasses Bounds Check
This page contains facts from public vulnerability sources. Check the original advisory before updating.
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.27.0, freerdp_image_copy_from_icon_data in libfreerdp/codec/color.c calculates nWidth multiplied by nHeight multiplied by FreeRDPGetBytesPerPixel(format) in 32-bit arithmetic. A malicious RDP server can send a RAIL TS_ICON_INFO update with dimensions such as 32768 by 32768 and 32 bits per pixel so the required-size calculation wraps, bypassing the cbBitsColor source bounds check before freerdp_image_copy_no_overlap reads attacker-controlled icon data. This affects RemoteApp clients using the vulnerable library path, while xfreerdp has a caller-side mitigation. This issue is fixed in version 3.27.0.
CVSS 6.1 · Medium · EPSS 0.4% · Fix available
- Published
- Updated
Stack: system
Affected products and versions
freerdp
- Versions
- < 3.27.0: Affected
No fix published
freerdp2 Debian:12
- Versions
- 2.10.0+dfsg1-1
- 2.10.0+dfsg1-1.1
- 2.11.2+dfsg1-1
- 2.11.2+dfsg1-1.1~exp1
- 2.11.2+dfsg1-1.1~exp2
- 2.11.5+dfsg1-1
- 2.11.7+dfsg1-1
- 2.11.7+dfsg1-2
- 2.11.7+dfsg1-3
- 2.11.7+dfsg1-4
- 2.11.7+dfsg1-5
- 2.11.7+dfsg1-6
- 2.11.7+dfsg1-6~deb12u1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
freerdp3 Debian:13
- Versions
- 3.15.0+dfsg-2.1
- 3.15.0+dfsg-2.1+deb13u1
- 3.15.0+dfsg-2.1+deb13u2
- 3.15.0+dfsg-2.1+deb13u3
- 3.16.0+dfsg-1
- 3.16.0+dfsg-2
- 3.17.0+dfsg-1
- 3.17.1+dfsg-1
- 3.17.1+dfsg-2
- 3.17.2+dfsg-1
- 3.17.2+dfsg-2
- 3.17.2+dfsg-3
- 3.18.0+dfsg-1
- 3.19.0+dfsg-1
- 3.19.1+dfsg-1
- 3.20.0+dfsg-1
- 3.20.2+dfsg-1
- 3.21.0+dfsg-1
- 3.22.0+dfsg-1
- 3.22.0+dfsg-1~bpo13+0
- 3.22.0+dfsg-1~bpo13+1
- 3.22.0+dfsg-3
- 3.23.0+dfsg-1
- 3.23.0+dfsg-1~bpo13+1
- 3.24.0+dfsg-1
- 3.24.0+dfsg-2
- 3.24.1+dfsg-1
- 3.24.2+dfsg-1
- 3.24.2+dfsg-1~bpo13+1
- 3.25.0+dfsg-1
- 3.25.0+dfsg-2
- 3.25.0+dfsg-3
- 3.25.0+dfsg-4
- 3.25.0+dfsg-5
- 3.26.0+dfsg-1
- 3.26.0+dfsg-1~bpo13+1
- 3.27.0+dfsg-1
- 3.27.1+dfsg-1
- 3.28.0+dfsg-1
- 3.28.0+dfsg-2
- 3.29.0+dfsg-1
- 3.30.0+dfsg-1
- 3.30.0+dfsg-1~bpo13+1
- 3.31.0+dfsg-1
- 3.31.1+dfsg-1
- 3.31.1+dfsg-1~bpo13+1
- 3.32.0+dfsg-1
- 3.32.1+dfsg-1
- 3.32.1+dfsg-1~bpo13+1
- 3.32.2+dfsg-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
freerdp3 Debian:14
- Versions
- 3.15.0+dfsg-2.1
- 3.16.0+dfsg-1
- 3.16.0+dfsg-2
- 3.17.0+dfsg-1
- 3.17.1+dfsg-1
- 3.17.1+dfsg-2
- 3.17.2+dfsg-1
- 3.17.2+dfsg-2
- 3.17.2+dfsg-3
- 3.18.0+dfsg-1
- 3.19.0+dfsg-1
- 3.19.1+dfsg-1
- 3.20.0+dfsg-1
- 3.20.2+dfsg-1
- 3.21.0+dfsg-1
- 3.22.0+dfsg-1
- 3.22.0+dfsg-1~bpo13+0
- 3.22.0+dfsg-1~bpo13+1
- 3.22.0+dfsg-3
- 3.23.0+dfsg-1
- 3.23.0+dfsg-1~bpo13+1
- 3.24.0+dfsg-1
- 3.24.0+dfsg-2
- 3.24.1+dfsg-1
- 3.24.2+dfsg-1
- 3.24.2+dfsg-1~bpo13+1
- 3.25.0+dfsg-1
- 3.25.0+dfsg-2
- 3.25.0+dfsg-3
- 3.25.0+dfsg-4
- 3.25.0+dfsg-5
- 3.26.0+dfsg-1
- 3.26.0+dfsg-1~bpo13+1
- Affected ranges
- ECOSYSTEM: < 3.27.0+dfsg-1
Update to 3.27.0+dfsg-1
freerdp Ubuntu:16.04:LTS
- Versions
- 1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1
- 1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.2
- 1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.3
- 1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.4
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
freerdp2 Ubuntu:Pro:18.04:LTS
- Versions
- 2.0.0~git20170725.1.1648deb+dfsg1-1
- 2.0.0~git20170725.1.1648deb+dfsg1-5
- 2.0.0~git20170725.1.1648deb+dfsg1-5ubuntu1
- 2.0.0~git20170725.1.1648deb+dfsg1-5ubuntu2
- 2.0.0~git20170725.1.1648deb+dfsg1-6
- 2.0.0~git20170725.1.1648deb+dfsg1-6build1
- 2.0.0~git20170725.1.1648deb+dfsg1-7
- 2.0.0~git20170725.1.1648deb+dfsg1-7ubuntu0.1
- 2.1.1+dfsg1-0ubuntu0.18.04.1
- 2.2.0+dfsg1-0ubuntu0.18.04.1
- 2.2.0+dfsg1-0ubuntu0.18.04.2
- 2.2.0+dfsg1-0ubuntu0.18.04.3
- 2.2.0+dfsg1-0ubuntu0.18.04.4
- 2.2.0+dfsg1-0ubuntu0.18.04.4+esm1
- 2.2.0+dfsg1-0ubuntu0.18.04.4+esm2
- 2.2.0+dfsg1-0ubuntu0.18.04.4+esm3
- 2.2.0+dfsg1-0ubuntu0.18.04.4+esm4
- 2.2.0+dfsg1-0ubuntu0.18.04.4+esm5
- 2.2.0+dfsg1-0ubuntu0.18.04.4+esm6
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
freerdp Ubuntu:18.04:LTS
- Versions
- 1.1.0~git20140921.1.440916e+dfsg1-15ubuntu1
- 1.1.0~git20140921.1.440916e+dfsg1-15ubuntu1.18.04.1
- 1.1.0~git20140921.1.440916e+dfsg1-15ubuntu1.18.04.2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
freerdp2 Ubuntu:Pro:20.04:LTS
- Versions
- 2.0.0~git20190204.1.2693389a+dfsg1-1
- 2.0.0~git20190204.1.2693389a+dfsg1-2
- 2.0.0~git20190204.1.2693389a+dfsg1-2build1
- 2.0.0~git20190204.1.2693389a+dfsg1-2build2
- 2.1.1+dfsg1-0ubuntu0.20.04.1
- 2.2.0+dfsg1-0ubuntu0.20.04.1
- 2.2.0+dfsg1-0ubuntu0.20.04.2
- 2.2.0+dfsg1-0ubuntu0.20.04.3
- 2.2.0+dfsg1-0ubuntu0.20.04.4
- 2.2.0+dfsg1-0ubuntu0.20.04.5
- 2.2.0+dfsg1-0ubuntu0.20.04.6
- 2.6.1+dfsg1-0ubuntu0.20.04.1
- 2.6.1+dfsg1-0ubuntu0.20.04.2
- 2.6.1+dfsg1-0ubuntu0.20.04.2+esm1
- 2.6.1+dfsg1-0ubuntu0.20.04.2+esm2
- 2.6.1+dfsg1-0ubuntu0.20.04.2+esm3
- 2.6.1+dfsg1-0ubuntu0.20.04.2+esm4
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
freerdp2 Ubuntu:22.04:LTS
- Versions
- 2.3.0+dfsg1-2build1
- 2.3.0+dfsg1-2ubuntu1
- 2.3.0+dfsg1-2ubuntu2
- 2.4.1+dfsg1-1
- 2.4.1+dfsg1-1ubuntu1
- 2.4.1+dfsg1-1ubuntu2
- 2.5.0+dfsg1-1
- 2.6.0+dfsg1-1
- 2.6.1+dfsg1-1
- 2.6.1+dfsg1-3
- 2.6.1+dfsg1-3ubuntu1
- 2.6.1+dfsg1-3ubuntu2
- 2.6.1+dfsg1-3ubuntu2.1
- 2.6.1+dfsg1-3ubuntu2.2
- 2.6.1+dfsg1-3ubuntu2.3
- 2.6.1+dfsg1-3ubuntu2.4
- 2.6.1+dfsg1-3ubuntu2.5
- 2.6.1+dfsg1-3ubuntu2.6
- 2.6.1+dfsg1-3ubuntu2.7
- 2.6.1+dfsg1-3ubuntu2.8
- 2.6.1+dfsg1-3ubuntu2.9
- 2.6.1+dfsg1-3ubuntu2.10
- 2.6.1+dfsg1-3ubuntu2.11
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
freerdp3 Ubuntu:24.04:LTS
- Versions
- 3.4.0+dfsg1-0ubuntu2
- 3.4.0+dfsg1-0ubuntu3
- 3.4.0+dfsg1-0ubuntu4
- 3.5.0+dfsg1-0ubuntu1
- 3.5.1+dfsg1-0ubuntu1
- 3.5.1+dfsg1-0ubuntu1.1
- 3.5.1+dfsg1-0ubuntu1.2
- 3.5.1+dfsg1-0ubuntu1.4
- 3.5.1+dfsg1-0ubuntu1.5
- 3.5.1+dfsg1-0ubuntu1.6
- Affected ranges
- ECOSYSTEM: < 3.30.0+dfsg-0ubuntu0.24.04.1
Update to 3.30.0+dfsg-0ubuntu0.24.04.1
freerdp2 Ubuntu:Pro:24.04:LTS
- Versions
- 2.10.0+dfsg1-1.1ubuntu1
- 2.11.2+dfsg1-1
- 2.11.2+dfsg1-1build1
- 2.11.2+dfsg1-1build3
- 2.11.5+dfsg1-1build1
- 2.11.5+dfsg1-1build2
- 2.11.5+dfsg1-1ubuntu0.1~esm1
- 2.11.5+dfsg1-1ubuntu0.1~esm2
- 2.11.5+dfsg1-1ubuntu0.1~esm3
- 2.11.5+dfsg1-1ubuntu0.1~esm4
- 2.11.5+dfsg1-1ubuntu0.1~esm5
- 2.11.5+dfsg1-1ubuntu0.1~esm6
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
freerdp3 Ubuntu:25.10
- Versions
- 3.14.0+dfsg-1ubuntu1
- 3.15.0+dfsg-2.1
- 3.16.0+dfsg-1ubuntu1
- 3.16.0+dfsg-2
- 3.16.0+dfsg-2ubuntu0.1
- 3.16.0+dfsg-2ubuntu0.3
- 3.16.0+dfsg-2ubuntu0.4
- 3.16.0+dfsg-2ubuntu0.5
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
freerdp3 Ubuntu:26.04:LTS
- Versions
- 3.16.0+dfsg-2
- 3.18.0+dfsg-1ubuntu1
- 3.19.0+dfsg-1
- 3.19.1+dfsg-1
- 3.20.0+dfsg-1
- 3.20.2+dfsg-1
- 3.21.0+dfsg-1
- 3.22.0+dfsg-1
- 3.24.1+dfsg-1ubuntu1
- 3.24.2+dfsg-1ubuntu1
- 3.24.2+dfsg-1ubuntu1.1
- Affected ranges
- ECOSYSTEM: < 3.30.0+dfsg-0ubuntu0.26.04.1
Update to 3.30.0+dfsg-0ubuntu0.26.04.1
Original sources
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-5c5v-f78v-h2f6
- https://github.com/FreeRDP/FreeRDP/pull/12877
- https://github.com/FreeRDP/FreeRDP/commit/e4ae473da2926724d9b6329778797a3bdea79eb3
- https://github.com/FreeRDP/FreeRDP/releases/tag/3.27.0
- https://nvd.nist.gov/vuln/detail/CVE-2026-55648