CVE-2026-3407 (GCVE-0-2026-3407)
Vulnerability from cvelistv5 – Published: 2026-03-02 03:02 – Updated: 2026-03-02 14:43
VLAI?
Title
YosysHQ yosys BLIF File rtlil.h set heap-based overflow
Summary
A vulnerability was determined in YosysHQ yosys up to 0.62. This affects the function Yosys::RTLIL::Const::set of the file kernel/rtlil.h of the component BLIF File Parser. This manipulation causes heap-based buffer overflow. It is possible to launch the attack on the local host. The exploit has been publicly disclosed and may be utilized. Applying a patch is the recommended action to fix this issue. It appears that the issue is not reproducible all the time.
Severity ?
Assigner
References
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Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| YosysHQ | yosys |
Affected:
0.1
Affected: 0.2 Affected: 0.3 Affected: 0.4 Affected: 0.5 Affected: 0.6 Affected: 0.7 Affected: 0.8 Affected: 0.9 Affected: 0.10 Affected: 0.11 Affected: 0.12 Affected: 0.13 Affected: 0.14 Affected: 0.15 Affected: 0.16 Affected: 0.17 Affected: 0.18 Affected: 0.19 Affected: 0.20 Affected: 0.21 Affected: 0.22 Affected: 0.23 Affected: 0.24 Affected: 0.25 Affected: 0.26 Affected: 0.27 Affected: 0.28 Affected: 0.29 Affected: 0.30 Affected: 0.31 Affected: 0.32 Affected: 0.33 Affected: 0.34 Affected: 0.35 Affected: 0.36 Affected: 0.37 Affected: 0.38 Affected: 0.39 Affected: 0.40 Affected: 0.41 Affected: 0.42 Affected: 0.43 Affected: 0.44 Affected: 0.45 Affected: 0.46 Affected: 0.47 Affected: 0.48 Affected: 0.49 Affected: 0.50 Affected: 0.51 Affected: 0.52 Affected: 0.53 Affected: 0.54 Affected: 0.55 Affected: 0.56 Affected: 0.57 Affected: 0.58 Affected: 0.59 Affected: 0.60 Affected: 0.61 Affected: 0.62 |
Credits
Oneafter (VulDB User)
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\"https://vuldb.com/?id.348302\", \"name\": \"VDB-348302 | YosysHQ yosys BLIF File rtlil.h set heap-based overflow\", \"tags\": [\"vdb-entry\", \"technical-description\"]}, {\"url\": \"https://vuldb.com/?ctiid.348302\", \"name\": \"VDB-348302 | CTI Indicators (IOB, IOC, IOA)\", \"tags\": [\"signature\", \"permissions-required\"]}, {\"url\": \"https://vuldb.com/?submit.763755\", \"name\": \"Submit #763755 | YosysHQ yosys 8bbde80 Heap-based Buffer Overflow\", \"tags\": [\"third-party-advisory\"]}, {\"url\": \"https://github.com/YosysHQ/yosys/issues/5677\", \"tags\": [\"issue-tracking\"]}, {\"url\": \"https://github.com/YosysHQ/yosys/pull/5680\", \"tags\": [\"issue-tracking\", \"patch\"]}, {\"url\": \"https://github.com/oneafter/0210/blob/main/yo2/repro\", \"tags\": [\"exploit\"]}, {\"url\": \"https://github.com/YosysHQ/yosys/pull/5681\", \"tags\": [\"issue-tracking\", \"patch\"]}, {\"url\": \"https://github.com/YosysHQ/yosys/\", \"tags\": [\"product\"]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"A vulnerability was determined in YosysHQ yosys up to 0.62. This affects the function Yosys::RTLIL::Const::set of the file kernel/rtlil.h of the component BLIF File Parser. This manipulation causes heap-based buffer overflow. It is possible to launch the attack on the local host. The exploit has been publicly disclosed and may be utilized. Applying a patch is the recommended action to fix this issue. It appears that the issue is not reproducible all the time.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-122\", \"description\": \"Heap-based Buffer Overflow\"}]}, {\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-119\", \"description\": \"Memory Corruption\"}]}], \"providerMetadata\": {\"orgId\": \"1af790b2-7ee1-4545-860a-a788eba489b5\", \"shortName\": \"VulDB\", \"dateUpdated\": \"2026-03-02T03:02:09.924Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2026-3407\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-03-02T14:43:12.380Z\", \"dateReserved\": \"2026-03-01T07:03:11.753Z\", \"assignerOrgId\": \"1af790b2-7ee1-4545-860a-a788eba489b5\", \"datePublished\": \"2026-03-02T03:02:09.924Z\", \"assignerShortName\": \"VulDB\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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