CVE-2026-34155RAUC controls the update process on embedded Linux systems.
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No exploitation reported and no EPSS estimate yet.
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RAUC controls the update process on embedded Linux systems. Prior to version 1.15.2, RAUC bundles using the 'plain' format exceeding a payload size of 2 GiB cause an integer overflow which results in a signature which covers only the first few bytes of the payload. Given such a bundle with a legitimate signature, an attacker can modify the part of the payload which is not covered by the signature. This issue has been patched in version 1.15.2.
- CVSS
- 5.3 MEDIUM (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- Weakness (CWE)
- CWE-196, CWE-347
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Jul 24, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
pengutronix rauc pengutronix:rauc | before 1.15.2 | NVD |
References
- https://github.com/rauc/rauc/commit/4fb7c798d6ae412344fb8f8d310d773046af3441patch
- https://github.com/rauc/rauc/releases/tag/v1.15.2release-notes
- https://github.com/rauc/rauc/security/advisories/GHSA-6hj7-q844-m2hxmitigation, patch, vendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.