High severity · published Oct 28, 2019
CVE-2017-5731
Bounds checking in Tianocompress before November 7, 2017 may allow an authenticated user to potentially enable an escalation of privilege via local access
7.8
CVSS
0.4%
EPSS
No
On KEV
Description
Bounds checking in Tianocompress before November 7, 2017 may allow an authenticated user to potentially enable an escalation of privilege via local access.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 33% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ED
Edk2 · Tianocore
before 2017-11-07 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-5731
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-5731
Issue Tracking
https://bugzilla.tianocore.org/show_bug.cgi?id=686
More from Edk2
9.8
CVE-2026-111497
Out-of-Bounds Write in Google Brotli Decoder
9.8
CVE-2021-38578
Existing CommBuffer checks in SmmEntryPoint will not catch underflow when computing BufferSize
9.5
CVE-2026-97631
Pre-boot RCE in EDK II PXE driver
8.8
CVE-2025-2486
UEFI Shell accessible in AAVMF with Secure Boot enabled on Ubuntu
8.8
CVE-2023-45235
EDK2's Network Package is susceptible to a buffer overflow vulnerability when handling Server ID option from a DHCPv6 proxy Advertise message