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CVE-2026-34155

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.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:bf7e5c5b1c5cec6229d7a9a8beb65267f3a00626beae49f9181155ab7df88b68
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-196","description":"CWE-196: Unsigned to Signed Conversion Error","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:8dbe5359436949e869bd28afba1de1c71d1a5b478433128759979e6e79740a40 · sha256:fabb7bb576a5a5de… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-347","description":"CWE-347: Improper Verification of Cryptographic Signature","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:8dbe5359436949e869bd28afba1de1c71d1a5b478433128759979e6e79740a40 · sha256:fabb7bb576a5a5de… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"product":"rauc","vendor":"rauc","versions":[{"status":"affected","version":"< 1.15.2"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8dbe5359436949e869bd28afba1de1c71d1a5b478433128759979e6e79740a40 · sha256:fabb7bb576a5a5de… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":7.2,"baseSeverity":"HIGH","privilegesRequired":"LOW","subAvailabilityImpact":"HIGH","subConfidentialityImpact":"HIGH","subIntegrityImpact":"HIGH","userInteraction":"PASSIVE","vectorString":"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","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:8dbe5359436949e869bd28afba1de1c71d1a5b478433128759979e6e79740a40 · sha256:fabb7bb576a5a5de… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

2 source assertions
{"cweId":"CWE-196","description":"CWE-196: Unsigned to Signed Conversion Error","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:8dbe5359436949e869bd28afba1de1c71d1a5b478433128759979e6e79740a40 · sha256:fabb7bb576a5a5de… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-347","description":"CWE-347: Improper Verification of Cryptographic Signature","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:8dbe5359436949e869bd28afba1de1c71d1a5b478433128759979e6e79740a40 · sha256:fabb7bb576a5a5de… · /containers/cna/problemTypes/1/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/rauc/rauc/commit/4fb7c798d6ae412344fb8f8d310d773046af3441","tags":["x_refsource_MISC"],"url":"https://github.com/rauc/rauc/commit/4fb7c798d6ae412344fb8f8d310d773046af3441"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8dbe5359436949e869bd28afba1de1c71d1a5b478433128759979e6e79740a40 · sha256:fabb7bb576a5a5de… · /containers/cna/references/1
{"name":"https://github.com/rauc/rauc/releases/tag/v1.15.2","tags":["x_refsource_MISC"],"url":"https://github.com/rauc/rauc/releases/tag/v1.15.2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8dbe5359436949e869bd28afba1de1c71d1a5b478433128759979e6e79740a40 · sha256:fabb7bb576a5a5de… · /containers/cna/references/2
{"name":"https://github.com/rauc/rauc/security/advisories/GHSA-6hj7-q844-m2hx","tags":["x_refsource_CONFIRM"],"url":"https://github.com/rauc/rauc/security/advisories/GHSA-6hj7-q844-m2hx"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8dbe5359436949e869bd28afba1de1c71d1a5b478433128759979e6e79740a40 · sha256:fabb7bb576a5a5de… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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