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CVE Vulnerability Details :
CVE-2026-3407
PUBLISHED
More InfoOfficial Page
Assigner-VulDB
Assigner Org ID-1af790b2-7ee1-4545-860a-a788eba489b5
View Known Exploited Vulnerability (KEV) details
Published At-02 Mar, 2026 | 03:02
Updated At-02 Mar, 2026 | 14:43
Rejected At-
▼CVE Numbering Authority (CNA)
YosysHQ yosys BLIF File rtlil.h set heap-based overflow

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.

Affected Products
Vendor
YosysHQ
Product
yosys
Modules
  • BLIF File Parser
Versions
Affected
  • 0.1
  • 0.2
  • 0.3
  • 0.4
  • 0.5
  • 0.6
  • 0.7
  • 0.8
  • 0.9
  • 0.10
  • 0.11
  • 0.12
  • 0.13
  • 0.14
  • 0.15
  • 0.16
  • 0.17
  • 0.18
  • 0.19
  • 0.20
  • 0.21
  • 0.22
  • 0.23
  • 0.24
  • 0.25
  • 0.26
  • 0.27
  • 0.28
  • 0.29
  • 0.30
  • 0.31
  • 0.32
  • 0.33
  • 0.34
  • 0.35
  • 0.36
  • 0.37
  • 0.38
  • 0.39
  • 0.40
  • 0.41
  • 0.42
  • 0.43
  • 0.44
  • 0.45
  • 0.46
  • 0.47
  • 0.48
  • 0.49
  • 0.50
  • 0.51
  • 0.52
  • 0.53
  • 0.54
  • 0.55
  • 0.56
  • 0.57
  • 0.58
  • 0.59
  • 0.60
  • 0.61
  • 0.62
Problem Types
TypeCWE IDDescription
CWECWE-122Heap-based Buffer Overflow
CWECWE-119Memory Corruption
Type: CWE
CWE ID: CWE-122
Description: Heap-based Buffer Overflow
Type: CWE
CWE ID: CWE-119
Description: Memory Corruption
Metrics
VersionBase scoreBase severityVector
4.04.8MEDIUM
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
3.13.3LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
3.03.3LOW
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
2.01.7N/A
AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C
Version: 4.0
Base score: 4.8
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
Version: 3.1
Base score: 3.3
Base severity: LOW
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
Version: 3.0
Base score: 3.3
Base severity: LOW
Vector:
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
Version: 2.0
Base score: 1.7
Base severity: N/A
Vector:
AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

reporter
Oneafter (VulDB User)
Timeline
EventDate
Advisory disclosed2026-03-01 00:00:00
VulDB entry created2026-03-01 01:00:00
VulDB entry last update2026-03-01 08:08:34
Event: Advisory disclosed
Date: 2026-03-01 00:00:00
Event: VulDB entry created
Date: 2026-03-01 01:00:00
Event: VulDB entry last update
Date: 2026-03-01 08:08:34
Replaced By

Rejected Reason

References
HyperlinkResource
https://vuldb.com/?id.348302
vdb-entry
technical-description
https://vuldb.com/?ctiid.348302
signature
permissions-required
https://vuldb.com/?submit.763755
third-party-advisory
https://github.com/YosysHQ/yosys/issues/5677
issue-tracking
https://github.com/YosysHQ/yosys/pull/5680
issue-tracking
patch
https://github.com/oneafter/0210/blob/main/yo2/repro
exploit
https://github.com/YosysHQ/yosys/pull/5681
issue-tracking
patch
https://github.com/YosysHQ/yosys/
product
Hyperlink: https://vuldb.com/?id.348302
Resource:
vdb-entry
technical-description
Hyperlink: https://vuldb.com/?ctiid.348302
Resource:
signature
permissions-required
Hyperlink: https://vuldb.com/?submit.763755
Resource:
third-party-advisory
Hyperlink: https://github.com/YosysHQ/yosys/issues/5677
Resource:
issue-tracking
Hyperlink: https://github.com/YosysHQ/yosys/pull/5680
Resource:
issue-tracking
patch
Hyperlink: https://github.com/oneafter/0210/blob/main/yo2/repro
Resource:
exploit
Hyperlink: https://github.com/YosysHQ/yosys/pull/5681
Resource:
issue-tracking
patch
Hyperlink: https://github.com/YosysHQ/yosys/
Resource:
product
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
Details not found