CVE-2026-34155 details an integer overflow vulnerability in RAUC, an update framework for embedded Linux systems, affecting versions prior to 1.15.2. This flaw occurs when 'plain' format RAUC bundles exceed a 2 GiB payload, causing the signature to cover only the initial bytes and allowing an attacker to modify the unsigned portion of the payload. Rated High with a CVSS score of 7.2, this vulnerability presents a significant risk to system integrity and availability through a low-complexity network attack. Currently, there is no evidence of active exploitation, no public exploit code available, and minimal community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.15.2CPE matchmatch criteria | cpe:2.3:a:pengutronix:rauc:*:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:L/VI:H/VA:N/SC:H/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:X/AU:X/R:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.