Vulnerability DatabaseCVE-2025-47436
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CVE-2025-47436
May 14, 2025
Heap-based Buffer Overflow vulnerability in Apache ORC. A vulnerability has been identified in the ORC C++ LZO decompression logic, where specially crafted malformed ORC files can cause the decompressor to allocate a 250-byte buffer but then attempts to copy 295 bytes into it. It causes memory corruption. This issue affects Apache ORC C++ library: through 1.8.8, from 1.9.0 through 1.9.5, from 2.0.0 through 2.0.4, from 2.1.0 through 2.1.1. Users are recommended to upgrade to version 1.8.9, 1.9.6, 2.0.5, and 2.1.2, which fix the issue.
Affected Packages
https://github.com/apache/orc.git (GITHUB):
Affected version(s) >=v2.1.0 <v2.1.2
Fix Suggestion:
Update to version v2.1.2
https://github.com/apache/orc.git (GITHUB):
Affected version(s) >=rel/release-1.9.0 <rel/release-1.9.6
Fix Suggestion:
Update to version rel/release-1.9.6
https://github.com/apache/orc.git (GITHUB):
Affected version(s) >=rel/release-1.0.0 <rel/release-1.8.9
Fix Suggestion:
Update to version rel/release-1.8.9
https://github.com/apache/orc.git (GITHUB):
Affected version(s) >=v1.6.13 <v1.8.9
Fix Suggestion:
Update to version v1.8.9
https://github.com/apache/orc.git (GITHUB):
Affected version(s) >=rel/release-2.0.0 <rel/release-2.0.5
Fix Suggestion:
Update to version rel/release-2.0.5
https://github.com/apache/orc.git (GITHUB):
Affected version(s) >=v1.9.0 <v1.9.6
Fix Suggestion:
Update to version v1.9.6
https://github.com/apache/orc.git (GITHUB):
Affected version(s) >=rel/release-2.1.0 <rel/release-2.1.2
Fix Suggestion:
Update to version rel/release-2.1.2
https://github.com/apache/orc.git (GITHUB):
Affected version(s) >=v2.0.0 <v2.0.5
Fix Suggestion:
Update to version v2.0.5
Additional Notes
The description of this vulnerability differs from MITRE.
Related Resources (3)
https://orc.apache.org/security/CVE-2025-47436/
https://lists.apache.org/thread/kd6tlv8fs5jybmsgxr4vrkdxyc866wrn
http://www.openwall.com/lists/oss-security/2025/05/13/4
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CVSS v4
Base Score:
6
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
PRESENT
Privileges Required
HIGH
User Interaction
ACTIVE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
LOW
Subsequent System Integrity
HIGH
Subsequent System Availability
HIGH
CVSS v3
Base Score:
9.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Heap-based Buffer Overflow
CWE-122
EPSS
Base Score:
0.08