CVE-2025-47436
Last modified
CVE-2025-47436 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 0.46% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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/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:N/AU:X/R:X/V:X/RE:M/U:Amber
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apache | Orc | < 1.8.9 |
| Apache | Orc | >= 1.9.0, < 1.9.6 |
| Apache | Orc | >= 2.0.0, < 2.0.5 |
| Apache | Orc | >= 2.1.0, < 2.1.2 |
References
- https://lists.apache.org/thread/kd6tlv8fs5jybmsgxr4vrkdxyc866wrnMailing List, Vendor Advisory
- https://orc.apache.org/security/CVE-2025-47436/Third Party Advisory
- http://www.openwall.com/lists/oss-security/2025/05/13/4Mailing List, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2025-47436?
How severe is CVE-2025-47436?
How do I fix CVE-2025-47436?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2025
- CVE-2025-47420266 vulnerability in Crestron Automate VX allows Privilege E…8.7
- CVE-2025-47421Improper Neutralization of Argument Delimiters in a Command …8.6
- CVE-2025-47422Advanced Installer before 22.6 has an uncontrolled search pa…7.5
- CVE-2025-47423Personal Weather Station Dashboard 12_lts allows unauthentic…5.8
- CVE-2025-47424Retool (self-hosted) before 3.196.0 allows Host header injec…7.1
- CVE-2025-4743A vulnerability classified as critical was found in code-pro…8.8
- CVE-2025-47437Server-Side Request Forgery (SSRF) vulnerability in LiteSpee…6.4
- CVE-2025-47438Improper Control of Filename for Include/Require Statement i…9.8
- CVE-2025-47439Improper Control of Filename for Include/Require Statement i…7.5
- CVE-2025-4744A vulnerability, which was classified as problematic, has be…4.6
- CVE-2025-47440Improper Control of Filename for Include/Require Statement i…7.5
- CVE-2025-47441Improper Neutralization of Input During Web Page Generation …6.5
Are you affected by CVE-2025-47436?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST