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CVE Vulnerability Details :
CVE-2026-3994
PUBLISHED
More InfoOfficial Page
Assigner-VulDB
Assigner Org ID-1af790b2-7ee1-4545-860a-a788eba489b5
View Known Exploited Vulnerability (KEV) details
Published At-12 Mar, 2026 | 06:02
Updated At-12 Mar, 2026 | 14:25
Rejected At-
▼CVE Numbering Authority (CNA)
rui314 mold Object File input-files.cc initialize_sections heap-based overflow

A vulnerability was detected in rui314 mold up to 2.40.4. This issue affects the function mold::ObjectFilemold::X86_64::initialize_sections of the file src/input-files.cc of the component Object File Handler. Performing a manipulation results in heap-based buffer overflow. Attacking locally is a requirement. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Affected Products
Vendor
rui314
Product
mold
Modules
  • Object File Handler
Versions
Affected
  • 2.40.0
  • 2.40.1
  • 2.40.2
  • 2.40.3
  • 2.40.4
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:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
3.15.3MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
3.05.3MEDIUM
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
2.04.3N/A
AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR
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:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Version: 3.1
Base score: 5.3
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
Version: 3.0
Base score: 5.3
Base severity: MEDIUM
Vector:
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
Version: 2.0
Base score: 4.3
Base severity: N/A
Vector:
AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
reporter
Oneafter (VulDB User)
Timeline
EventDate
Advisory disclosed2026-03-11 00:00:00
VulDB entry created2026-03-11 01:00:00
VulDB entry last update2026-03-11 18:00:42
Event: Advisory disclosed
Date: 2026-03-11 00:00:00
Event: VulDB entry created
Date: 2026-03-11 01:00:00
Event: VulDB entry last update
Date: 2026-03-11 18:00:42
Replaced By
Rejected Reason
References
HyperlinkResource
https://vuldb.com/?id.350476
vdb-entry
technical-description
https://vuldb.com/?ctiid.350476
signature
permissions-required
https://vuldb.com/?submit.769772
third-party-advisory
https://github.com/rui314/mold/issues/1548
issue-tracking
https://github.com/oneafter/0209/blob/main/mo2/repro
exploit
https://github.com/rui314/mold/
product
Hyperlink: https://vuldb.com/?id.350476
Resource:
vdb-entry
technical-description
Hyperlink: https://vuldb.com/?ctiid.350476
Resource:
signature
permissions-required
Hyperlink: https://vuldb.com/?submit.769772
Resource:
third-party-advisory
Hyperlink: https://github.com/rui314/mold/issues/1548
Resource:
issue-tracking
Hyperlink: https://github.com/oneafter/0209/blob/main/mo2/repro
Resource:
exploit
Hyperlink: https://github.com/rui314/mold/
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