CVE-2026-0819 identifies a stack buffer overflow in wolfSSL's PKCS7 SignedData encoding functionality, where incorrect capacity handling can lead to memory corruption. This vulnerability, rated CVSS 2.2 (LOW), requires local access and an application allowing untrusted input to control specific array sizes for exploitation. While the attack complexity is low, successful exploitation could result in high integrity and availability impacts. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 5.5.0, < 5.9.0CPE match | cpe:2.3:a:wolfssl:wolfssl:*:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/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.