Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2025-47436

Severity CVSS v4.0:
MEDIUM
Type:
CWE-122 Heap-based Buffer Overflow
Publication date:
14/05/2025
Last modified:
14/07/2025

Description

Heap-based Buffer Overflow vulnerability in Apache ORC.<br /> <br /> 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.<br /> <br /> 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.<br /> <br /> Users are recommended to upgrade to version 1.8.9, 1.9.6, 2.0.5, and 2.1.2, which fix the issue.

Impact

Vector 4.0
CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:A/VC:L/VI:H/VA:H/SC:L/SI:H/SA:H/S:N/RE:M/U:Amber CVSS v4.0 Severity and Metrics:

Base Score: 6.00 MEDIUM
Vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:A/VC:L/VI:H/VA:H/SC:L/SI:H/SA:H/S:N/RE:M/U:Amber

Attack Vector (AV): Local
Attack Complexity (AC): Low
Attack Requirements (AT): Present
Privileges Required (PR): High
User Interaction (UI): Active
Confidentiality (VC): Low
Integrity (VI): High
Availability (VA): High
Confidentiality (SC): Low
Integrity (SI): High
Availability (SA): High
Safety (S): Negligible
Vulnerability Response Effort (RE): Moderate
Provider Urgency (U): Amber

Base Score 4.0
6.00
Severity 4.0
MEDIUM
Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 9.80 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
9.80
Severity 3.x
CRITICAL

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:apache:orc:*:*:*:*:*:*:*:* 1.8.9 (excluding)
cpe:2.3:a:apache:orc:*:*:*:*:*:*:*:* 1.9.0 (including) 1.9.6 (excluding)
cpe:2.3:a:apache:orc:*:*:*:*:*:*:*:* 2.0.0 (including) 2.0.5 (excluding)
cpe:2.3:a:apache:orc:*:*:*:*:*:*:*:* 2.1.0 (including) 2.1.2 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools