CVE-2025-47436 is a critical heap-based buffer overflow vulnerability in the Apache ORC C++ library, affecting versions through 1.8.8, 1.9.0 through 1.9.5, 2.0.0 through 2.0.4, and 2.1.0 through 2.1.1. This flaw allows specially crafted malformed ORC files to cause memory corruption during LZO decompression, leading to a CVSS score of 9.8 (CRITICAL). The vulnerability is remotely exploitable with low attack complexity, potentially resulting in high impact to confidentiality, integrity, and availability. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion, and it is not listed in the KEV catalog.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.8.9CPE matchmatch criteria | cpe:2.3:a:apache:orc:*:*:*:*:*:*:*:* | ||
>= 1.9.0, < 1.9.6CPE matchmatch criteria | cpe:2.3:a:apache:orc:*:*:*:*:*:*:*:* | ||
>= 2.0.0, < 2.0.5CPE matchmatch criteria | cpe:2.3:a:apache:orc:*:*:*:*:*:*:*:* | ||
>= 2.1.0, < 2.1.2CPE matchmatch criteria | cpe:2.3:a:apache:orc:*:*:*:*:*:*:*:* |
CVSS version used by this source: 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/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
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.