// For flags

CVE-2025-2923

HDF5 H5Fint.c H5F_addr_encode_len heap-based overflow

Severity Score

4.8
*CVSS v4

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track*
*SSVC
Descriptions

A vulnerability, which was classified as problematic, has been found in HDF5 up to 1.14.6. Affected by this issue is the function H5F_addr_encode_len of the file src/H5Fint.c. The manipulation of the argument pp leads to heap-based buffer overflow. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used.

Eine problematische Schwachstelle wurde in HDF5 bis 1.14.6 entdeckt. Betroffen davon ist die Funktion H5F_addr_encode_len der Datei src/H5Fint.c. Durch die Manipulation des Arguments pp mit unbekannten Daten kann eine heap-based buffer overflow-Schwachstelle ausgenutzt werden. Der Angriff muss lokal passieren. Der Exploit steht zur öffentlichen Verfügung.

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
System
Vulnerable | Subsequent
Confidentiality
None
None
Integrity
None
None
Availability
Low
None
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
Attack Vector
Local
Attack Complexity
Low
Authentication
Single
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:Track*
Exploitation
Poc
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2025-03-28 CVE Reserved
  • 2025-03-28 CVE Published
  • 2025-03-28 CVE Updated
  • 2025-03-28 First Exploit
  • 2025-03-29 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
  • CWE-122: Heap-based Buffer Overflow
CAPEC
References (3)
URL Tag Source
https://vuldb.com/?id.301898 Technical Description
https://vuldb.com/?submit.521151 Third Party Advisory
URL Date SRC
https://github.com/HDFGroup/hdf5/issues/5381 2025-03-28
URL Date SRC
URL Date SRC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Debian
Search vendor "Debian"
 Debian Linux
Search vendor "Debian" for product "Debian Linux"
*-
Affected