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CVE-2026-111378

FreeRDP 3.0.0 before 3.32.0 Unauthenticated Memory Exhaustion via NLA Frame Parser

8.7 HighFix available

FreeRDP from 3.0.0 before 3.32.0 contains an uncontrolled resource consumption vulnerability in parse_nla_mode_pdu that allows unauthenticated attackers to exhaust server memory. Attackers can complete TLS and stream bytes not beginning with the DER SEQUENCE tag 0x30, causing unbounded receive buffer growth before NLA authentication.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

0.52%Up 0.2 points since Oct 16, 2026
90%50%10%1%

What each source reports

CVE List Score used 8.7

FreeRDP 3.0.0 before 3.32.0 Unauthenticated Memory Exhaustion via NLA Frame Parser

FreeRDP from 3.0.0 before 3.32.0 contains an uncontrolled resource consumption vulnerability in parse_nla_mode_pdu that allows unauthenticated attackers to exhaust server memory. Attackers can complete TLS and stream bytes not beginning with the DER SEQUENCE tag 0x30, causing unbounded receive buffer growth before NLA authentication.

Record
CVE-2026-111378
CVSS 4.0
8.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-400
Updated
2026-11-02
EUVDEUVD-2026-102559 8.7

FreeRDP from 3.0.0 before 3.32.0 contains an uncontrolled resource consumption vulnerability in parse_nla_mode_pdu that allows unauthenticated attackers to exhaust server memory. Attackers can complete TLS and stream bytes not beginning with the DER SEQUENCE tag 0x30, causing unbounded receive buffer growth before NLA authentication.

Record
EUVD-2026-102559
CVSS 4.0
8.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-h25h-m6m4-j5vc 8.7

FreeRDP from 3.0.0 before 3.32.0 contains an uncontrolled resource consumption vulnerability in...

FreeRDP from 3.0.0 before 3.32.0 contains an uncontrolled resource consumption vulnerability in parse_nla_mode_pdu that allows unauthenticated attackers to exhaust server memory. Attackers can complete TLS and stream bytes not beginning with the DER SEQUENCE tag 0x30, causing unbounded receive buffer growth before NLA authentication.

Record
GHSA-h25h-m6m4-j5vc
CVSS 4.0
8.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/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 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-400
Updated
2026-11-02
NVD 8.7

FreeRDP from 3.0.0 before 3.32.0 contains an uncontrolled resource consumption vulnerability in parse_nla_mode_pdu that allows unauthenticated attackers to exhaust server memory. Attackers can complete TLS and stream bytes not beginning with the DER SEQUENCE tag 0x30, causing unbounded receive buffer growth before NLA authentication.

Record
CVE-2026-111378
CVSS 4.0
8.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/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 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-400
Updated
2026-11-02
OSV 8.7

FreeRDP 3.0.0 before 3.32.0 Unauthenticated Memory Exhaustion via NLA Frame Parser

FreeRDP from 3.0.0 before 3.32.0 contains an uncontrolled resource consumption vulnerability in parse_nla_mode_pdu that allows unauthenticated attackers to exhaust server memory. Attackers can complete TLS and stream bytes not beginning with the DER SEQUENCE tag 0x30, causing unbounded receive buffer growth before NLA authentication.

Record
CVE-2026-111378
CVSS 4.0
8.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Weakness
CWE-400
Updated
2026-11-04
OSVDEBIAN-CVE-2026-111378 8.7

FreeRDP from 3.0.0 before 3.32.0 contains an uncontrolled resource consumption vulnerability in parse_nla_mode_pdu that allows unauthenticated attackers to exhaust server memory. Attackers can complete TLS and stream bytes not beginning with the DER SEQUENCE tag 0x30, causing unbounded receive buffer growth before NLA authentication.

Record
DEBIAN-CVE-2026-111378
CVSS 4.0
8.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/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
Updated
2026-11-02
OSVRLSA-2026:94514 8.8

Important: freerdp security, bug fix, and enhancement update

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. The xfreerdp client can connect to RDP servers such as Microsoft Windows machines, xrdp, and VirtualBox.

Security Fix(es):

  • freerdp: FreeRDP: Denial of Service via uninitialized progressive tile handling (CVE-2026-109242)

  • freerdp: FreeRDP 3.0.0-beta1 before 3.32.0 Use-After-Free via Smartcard Connect (CVE-2026-109676)

  • freerdp: FreeRDP: Unauthenticated keystroke injection via premature input dispatch (CVE-2026-110838)

  • freerdp: freerdp: Denial of Service via file descriptor exhaustion in serial device handling (CVE-2026-110830)

  • freerdp: freerdp: Denial of Service via heap-based buffer overflow during MP3 audio decoding (CVE-2026-110837)

  • freerdp: freerdp: Denial of Service via unbounded memory consumption during RDPDR reassembly (CVE-2026-110833)

  • freerdp: FreeRDP: Denial of Service via grayscale JPEG clipboard conversion (CVE-2026-110839)

  • freerdp: freerdp: Denial of Service via memory exhaustion in NLA frame parser (CVE-2026-111378)

  • freerdp: FreeRDP: Arbitrary code execution via crafted persistent cache file (CVE-2026-111379)

  • freerdp: freerdp: Arbitrary code execution via crafted persistent cache file (CVE-2026-111381)

  • freerdp: freerdp: Arbitrary code execution via crafted display frames (CVE-2026-111382)

  • freerdp: freerdp: Denial of Service via heap out-of-bounds write in NTLM authentication (CVE-2026-111880)

  • freerdp: FreeRDP: heap buffer overflow in server rdpsnd via crafted audio formats (CVE-2026-114045)

Bug Fix(es) and Enhancement(s):

  • Rebase FreeRDP to 3.32.2 or newer [rhel-10.2.z] (JIRA:Rocky Linux-277442)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Record
RLSA-2026:94514
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-04
OSVUBUNTU-CVE-2026-111378 8.7

FreeRDP from 3.0.0 before 3.32.0 contains an uncontrolled resource consumption vulnerability in parse_nla_mode_pdu that allows unauthenticated attackers to exhaust server memory. Attackers can complete TLS and stream bytes not beginning with the DER SEQUENCE tag 0x30, causing unbounded receive buffer growth before NLA authentication.

Record
UBUNTU-CVE-2026-111378
CVSS 4.0
8.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVALSA-2026:94514 No score

Important: freerdp security, bug fix, and enhancement update

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. The xfreerdp client can connect to RDP servers such as Microsoft Windows machines, xrdp, and VirtualBox.

Security Fix(es):

  • freerdp: FreeRDP: Denial of Service via uninitialized progressive tile handling (CVE-2026-109242)
  • freerdp: FreeRDP 3.0.0-beta1 before 3.32.0 Use-After-Free via Smartcard Connect (CVE-2026-109676)
  • freerdp: FreeRDP: Unauthenticated keystroke injection via premature input dispatch (CVE-2026-110838)
  • freerdp: freerdp: Denial of Service via file descriptor exhaustion in serial device handling (CVE-2026-110830)
  • freerdp: freerdp: Denial of Service via heap-based buffer overflow during MP3 audio decoding (CVE-2026-110837)
  • freerdp: freerdp: Denial of Service via unbounded memory consumption during RDPDR reassembly (CVE-2026-110833)
  • freerdp: FreeRDP: Denial of Service via grayscale JPEG clipboard conversion (CVE-2026-110839)
  • freerdp: freerdp: Denial of Service via memory exhaustion in NLA frame parser (CVE-2026-111378)
  • freerdp: FreeRDP: Arbitrary code execution via crafted persistent cache file (CVE-2026-111379)
  • freerdp: freerdp: Arbitrary code execution via crafted persistent cache file (CVE-2026-111381)
  • freerdp: freerdp: Arbitrary code execution via crafted display frames (CVE-2026-111382)
  • freerdp: freerdp: Denial of Service via heap out-of-bounds write in NTLM authentication (CVE-2026-111880)
  • freerdp: FreeRDP: heap buffer overflow in server rdpsnd via crafted audio formats (CVE-2026-114045)

Bug Fix(es) and Enhancement(s):

  • Rebase FreeRDP to 3.32.2 or newer [rhel-10.2.z] (JIRA:RHEL-277442)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Record
ALSA-2026:94514
Updated
2026-11-05

Affected products

Affected packages

Affected packages
PackageAffectedFixed
freerdp
AlmaLinux:10
From an advisory covering 18 CVEs
 before 2:3.32.2-1.el10_2
2:3.32.2-1.el10_2
freerdp-devel
AlmaLinux:10
From an advisory covering 18 CVEs
 before 2:3.32.2-1.el10_2
2:3.32.2-1.el10_2
freerdp-libs
AlmaLinux:10
From an advisory covering 18 CVEs
 before 2:3.32.2-1.el10_2
2:3.32.2-1.el10_2
freerdp-server
AlmaLinux:10
From an advisory covering 18 CVEs
 before 2:3.32.2-1.el10_2
2:3.32.2-1.el10_2
libwinpr
AlmaLinux:10
From an advisory covering 18 CVEs
 before 2:3.32.2-1.el10_2
2:3.32.2-1.el10_2
libwinpr-devel
AlmaLinux:10
From an advisory covering 18 CVEs
 before 2:3.32.2-1.el10_2
2:3.32.2-1.el10_2
freerdp2
Debian:12
 All versions, plus listed versions
2.10.0+dfsg1-12.10.0+dfsg1-1.12.11.2+dfsg1-12.11.2+dfsg1-1.1~exp12.11.2+dfsg1-1.1~exp2
Show 8 moreShow less
2.11.5+dfsg1-12.11.7+dfsg1-12.11.7+dfsg1-22.11.7+dfsg1-32.11.7+dfsg1-42.11.7+dfsg1-52.11.7+dfsg1-62.11.7+dfsg1-6~deb12u1
 None known
freerdp3
Debian:13
 All versions, plus listed versions
3.15.0+dfsg-2.13.15.0+dfsg-2.1+deb13u13.15.0+dfsg-2.1+deb13u23.15.0+dfsg-2.1+deb13u33.16.0+dfsg-1
Show 45 moreShow less
3.16.0+dfsg-23.17.0+dfsg-13.17.1+dfsg-13.17.1+dfsg-23.17.2+dfsg-13.17.2+dfsg-23.17.2+dfsg-33.18.0+dfsg-13.19.0+dfsg-13.19.1+dfsg-13.20.0+dfsg-13.20.2+dfsg-13.21.0+dfsg-13.22.0+dfsg-13.22.0+dfsg-1~bpo13+03.22.0+dfsg-1~bpo13+13.22.0+dfsg-33.23.0+dfsg-13.23.0+dfsg-1~bpo13+13.24.0+dfsg-13.24.0+dfsg-23.24.1+dfsg-13.24.2+dfsg-13.24.2+dfsg-1~bpo13+13.25.0+dfsg-13.25.0+dfsg-23.25.0+dfsg-33.25.0+dfsg-43.25.0+dfsg-53.26.0+dfsg-13.26.0+dfsg-1~bpo13+13.27.0+dfsg-13.27.1+dfsg-13.28.0+dfsg-13.28.0+dfsg-23.29.0+dfsg-13.30.0+dfsg-13.30.0+dfsg-1~bpo13+13.31.0+dfsg-13.31.1+dfsg-13.31.1+dfsg-1~bpo13+13.32.0+dfsg-13.32.1+dfsg-13.32.1+dfsg-1~bpo13+13.32.2+dfsg-1
 None known
freerdp3
Debian:14
 before 3.32.0+dfsg-1, plus listed versions
3.15.0+dfsg-2.13.16.0+dfsg-13.16.0+dfsg-23.17.0+dfsg-13.17.1+dfsg-1
Show 38 moreShow less
3.17.1+dfsg-23.17.2+dfsg-13.17.2+dfsg-23.17.2+dfsg-33.18.0+dfsg-13.19.0+dfsg-13.19.1+dfsg-13.20.0+dfsg-13.20.2+dfsg-13.21.0+dfsg-13.22.0+dfsg-13.22.0+dfsg-1~bpo13+03.22.0+dfsg-1~bpo13+13.22.0+dfsg-33.23.0+dfsg-13.23.0+dfsg-1~bpo13+13.24.0+dfsg-13.24.0+dfsg-23.24.1+dfsg-13.24.2+dfsg-13.24.2+dfsg-1~bpo13+13.25.0+dfsg-13.25.0+dfsg-23.25.0+dfsg-33.25.0+dfsg-43.25.0+dfsg-53.26.0+dfsg-13.26.0+dfsg-1~bpo13+13.27.0+dfsg-13.27.1+dfsg-13.28.0+dfsg-13.28.0+dfsg-23.29.0+dfsg-13.30.0+dfsg-13.30.0+dfsg-1~bpo13+13.31.0+dfsg-13.31.1+dfsg-13.31.1+dfsg-1~bpo13+1
3.32.0+dfsg-1
freerdp
Rocky Linux:10
From an advisory covering 13 CVEs
 before 2:3.32.2-1.el10_2
2:3.32.2-1.el10_2
Show 8 moreShow less
Affected packages
PackageAffectedFixed
freerdp
Ubuntu:16.04:LTS
 All versions, plus listed versions
1.1.0~git20140921.1.440916e+dfsg1-5ubuntu11.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.21.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.31.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.4
 None known
freerdp2
Ubuntu:Pro:18.04:LTS
 All versions, plus listed versions
2.0.0~git20170725.1.1648deb+dfsg1-12.0.0~git20170725.1.1648deb+dfsg1-52.0.0~git20170725.1.1648deb+dfsg1-5ubuntu12.0.0~git20170725.1.1648deb+dfsg1-5ubuntu22.0.0~git20170725.1.1648deb+dfsg1-6
Show 14 moreShow less
2.0.0~git20170725.1.1648deb+dfsg1-6build12.0.0~git20170725.1.1648deb+dfsg1-72.0.0~git20170725.1.1648deb+dfsg1-7ubuntu0.12.1.1+dfsg1-0ubuntu0.18.04.12.2.0+dfsg1-0ubuntu0.18.04.12.2.0+dfsg1-0ubuntu0.18.04.22.2.0+dfsg1-0ubuntu0.18.04.32.2.0+dfsg1-0ubuntu0.18.04.42.2.0+dfsg1-0ubuntu0.18.04.4+esm12.2.0+dfsg1-0ubuntu0.18.04.4+esm22.2.0+dfsg1-0ubuntu0.18.04.4+esm32.2.0+dfsg1-0ubuntu0.18.04.4+esm42.2.0+dfsg1-0ubuntu0.18.04.4+esm52.2.0+dfsg1-0ubuntu0.18.04.4+esm6
 None known
freerdp
Ubuntu:18.04:LTS
 All versions, plus listed versions
1.1.0~git20140921.1.440916e+dfsg1-15ubuntu11.1.0~git20140921.1.440916e+dfsg1-15ubuntu1.18.04.11.1.0~git20140921.1.440916e+dfsg1-15ubuntu1.18.04.2
 None known
freerdp2
Ubuntu:Pro:20.04:LTS
 All versions, plus listed versions
2.0.0~git20190204.1.2693389a+dfsg1-12.0.0~git20190204.1.2693389a+dfsg1-22.0.0~git20190204.1.2693389a+dfsg1-2build12.0.0~git20190204.1.2693389a+dfsg1-2build22.1.1+dfsg1-0ubuntu0.20.04.1
Show 12 moreShow less
2.2.0+dfsg1-0ubuntu0.20.04.12.2.0+dfsg1-0ubuntu0.20.04.22.2.0+dfsg1-0ubuntu0.20.04.32.2.0+dfsg1-0ubuntu0.20.04.42.2.0+dfsg1-0ubuntu0.20.04.52.2.0+dfsg1-0ubuntu0.20.04.62.6.1+dfsg1-0ubuntu0.20.04.12.6.1+dfsg1-0ubuntu0.20.04.22.6.1+dfsg1-0ubuntu0.20.04.2+esm12.6.1+dfsg1-0ubuntu0.20.04.2+esm22.6.1+dfsg1-0ubuntu0.20.04.2+esm32.6.1+dfsg1-0ubuntu0.20.04.2+esm4
 None known
freerdp2
Ubuntu:22.04:LTS
 All versions, plus listed versions
2.3.0+dfsg1-2build12.3.0+dfsg1-2ubuntu12.3.0+dfsg1-2ubuntu22.4.1+dfsg1-12.4.1+dfsg1-1ubuntu1
Show 18 moreShow less
2.4.1+dfsg1-1ubuntu22.5.0+dfsg1-12.6.0+dfsg1-12.6.1+dfsg1-12.6.1+dfsg1-32.6.1+dfsg1-3ubuntu12.6.1+dfsg1-3ubuntu22.6.1+dfsg1-3ubuntu2.12.6.1+dfsg1-3ubuntu2.22.6.1+dfsg1-3ubuntu2.32.6.1+dfsg1-3ubuntu2.42.6.1+dfsg1-3ubuntu2.52.6.1+dfsg1-3ubuntu2.62.6.1+dfsg1-3ubuntu2.72.6.1+dfsg1-3ubuntu2.82.6.1+dfsg1-3ubuntu2.92.6.1+dfsg1-3ubuntu2.102.6.1+dfsg1-3ubuntu2.11
 None known
freerdp3
Ubuntu:24.04:LTS
 before 3.32.0+dfsg-0ubuntu0.24.04.1, plus listed versions
3.4.0+dfsg1-0ubuntu23.4.0+dfsg1-0ubuntu33.4.0+dfsg1-0ubuntu43.5.0+dfsg1-0ubuntu13.5.1+dfsg1-0ubuntu1
Show 8 moreShow less
3.5.1+dfsg1-0ubuntu1.13.5.1+dfsg1-0ubuntu1.23.5.1+dfsg1-0ubuntu1.43.5.1+dfsg1-0ubuntu1.53.5.1+dfsg1-0ubuntu1.63.30.0+dfsg-0ubuntu0.24.04.13.30.0+dfsg-0ubuntu0.24.04.23.31.0+dfsg-0ubuntu0.24.04.1
3.32.0+dfsg-0ubuntu0.24.04.1
freerdp2
Ubuntu:Pro:24.04:LTS
 All versions, plus listed versions
2.10.0+dfsg1-1.1ubuntu12.11.2+dfsg1-12.11.2+dfsg1-1build12.11.2+dfsg1-1build32.11.5+dfsg1-1build1
Show 7 moreShow less
2.11.5+dfsg1-1build22.11.5+dfsg1-1ubuntu0.1~esm12.11.5+dfsg1-1ubuntu0.1~esm22.11.5+dfsg1-1ubuntu0.1~esm32.11.5+dfsg1-1ubuntu0.1~esm42.11.5+dfsg1-1ubuntu0.1~esm52.11.5+dfsg1-1ubuntu0.1~esm6
 None known
freerdp3
Ubuntu:26.04:LTS
 before 3.32.0+dfsg-0ubuntu0.26.04.1, plus listed versions
3.16.0+dfsg-23.18.0+dfsg-1ubuntu13.19.0+dfsg-13.19.1+dfsg-13.20.0+dfsg-1
Show 9 moreShow less
3.20.2+dfsg-13.21.0+dfsg-13.22.0+dfsg-13.24.1+dfsg-1ubuntu13.24.2+dfsg-1ubuntu13.24.2+dfsg-1ubuntu1.13.30.0+dfsg-0ubuntu0.26.04.13.30.0+dfsg-0ubuntu0.26.04.23.31.0+dfsg-0ubuntu0.26.04.1
3.32.0+dfsg-0ubuntu0.26.04.1

History

History
RecordedChangedSources
affectedOSV
referencesOSV
affected, aliases, referencesOSV
affected, aliases, facts, referencesOSV
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-111378 is a high vulnerability (CVSS 8.7) in Freerdp, published October 16, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.52%, the 44th percentile. Fixed in freerdp3 3.32.0+dfsg-1.

References

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