CVE-2026-2016 is a stack-based buffer overflow vulnerability affecting happyfish100 libfastcommon versions up to 1.0.84, specifically within the base64_decode function in src/base64.c. This high-severity vulnerability (CVSS 7.8) requires local access and low privileges to exploit, potentially leading to high impact on confidentiality, integrity, and availability. While a public exploit has been disclosed, there is no evidence of active exploitation, and it lacks significant community discussion or media coverage. A patch (82f66af3e252e3e137dba0c3891570f085e79adf) is available and recommended for remediation.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 1.0.84CPE matchmatch criteria | cpe:2.3:a:happyfish100:libfastcommon:*:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 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.