CVE-2026-32829 affects pseitz lz4_flex versions 0.11.5 and below, and 0.12.0, where improper validation of offset values during LZ4 decompression can cause out-of-bounds reads from the output buffer. Rated High (CVSS 7.5), this vulnerability allows an unauthenticated attacker to remotely leak sensitive data from uninitialized memory or previous operations with low attack complexity, posing a significant confidentiality risk. While the issue has a clear impact, there is currently no evidence of active exploitation, public exploit code availability, or notable community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 0.11.6CPE matchmatch criteria | cpe:2.3:a:pseitz:lz4_flex:*:*:*:*:*:rust:*:* | ||
0.12.0CPE matchmatch criteria | cpe:2.3:a:pseitz:lz4_flex:0.12.0:*:*:*:*:rust:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/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:X/AU:X/R:X/V:X/RE:X/U:X
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The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.