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Vulnerability Details :

CVE-2026-13574

Summary
Assigner-VulDB
Assigner Org ID-1af790b2-7ee1-4545-860a-a788eba489b5
Published At-29 Jun, 2026 | 14:15
Updated At-01 Jul, 2026 | 14:03
Rejected At-
Credits

llvm llvm-project Bitcode File IntrinsicInst.cpp getBasePtr heap-based overflow

A vulnerability was determined in llvm llvm-project up to 22.1.6. This impacts the function GCRelocateInst::getBasePtr in the library llvm/lib/IR/IntrinsicInst.cpp of the component Bitcode File Handler. 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. The project was informed of the problem early through an issue report but has not responded yet.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:VulDB
Assigner Org ID:1af790b2-7ee1-4545-860a-a788eba489b5
Published At:29 Jun, 2026 | 14:15
Updated At:01 Jul, 2026 | 14:03
Rejected At:
▼CVE Numbering Authority (CNA)
llvm llvm-project Bitcode File IntrinsicInst.cpp getBasePtr heap-based overflow

A vulnerability was determined in llvm llvm-project up to 22.1.6. This impacts the function GCRelocateInst::getBasePtr in the library llvm/lib/IR/IntrinsicInst.cpp of the component Bitcode File Handler. 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. The project was informed of the problem early through an issue report but has not responded yet.

Affected Products
Vendor
llvm
Product
llvm-project
CPEs
  • cpe:2.3:a:llvm:llvm-project:*:*:*:*:*:*:*:*
Modules
  • Bitcode File Handler
Versions
Affected
  • 22.1.0
  • 22.1.1
  • 22.1.2
  • 22.1.3
  • 22.1.4
  • 22.1.5
  • 22.1.6
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:X/RC:R
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:X/RC:R
2.01.7N/A
AV:L/AC:L/Au:S/C:N/I:N/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: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:X/RC:R
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:X/RC:R
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:ND/RC:UR
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
reporter
TYGLS (VulDB User)
coordinator
VulDB CNA Team
Timeline
EventDate
Advisory disclosed2026-06-28 00:00:00
VulDB entry created2026-06-28 02:00:00
VulDB entry last update2026-06-28 20:52:49
Event: Advisory disclosed
Date: 2026-06-28 00:00:00
Event: VulDB entry created
Date: 2026-06-28 02:00:00
Event: VulDB entry last update
Date: 2026-06-28 20:52:49
Replaced By
Rejected Reason
References
HyperlinkResource
https://vuldb.com/vuln/374582
vdb-entry
technical-description
https://vuldb.com/vuln/374582/cti
signature
permissions-required
https://vuldb.com/cve/CVE-2026-13574
third-party-advisory
https://vuldb.com/submit/844468
third-party-advisory
https://github.com/llvm/llvm-project/issues/199191
issue-tracking
https://github.com/user-attachments/files/28142619/poc.zip
exploit
https://github.com/llvm/llvm-project/
product
Hyperlink: https://vuldb.com/vuln/374582
Resource:
vdb-entry
technical-description
Hyperlink: https://vuldb.com/vuln/374582/cti
Resource:
signature
permissions-required
Hyperlink: https://vuldb.com/cve/CVE-2026-13574
Resource:
third-party-advisory
Hyperlink: https://vuldb.com/submit/844468
Resource:
third-party-advisory
Hyperlink: https://github.com/llvm/llvm-project/issues/199191
Resource:
issue-tracking
Hyperlink: https://github.com/user-attachments/files/28142619/poc.zip
Resource:
exploit
Hyperlink: https://github.com/llvm/llvm-project/
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
https://github.com/llvm/llvm-project/issues/199191
exploit
Hyperlink: https://github.com/llvm/llvm-project/issues/199191
Resource:
exploit
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:cna@vuldb.com
Published At:29 Jun, 2026 | 15:16
Updated At:01 Jul, 2026 | 15:16

A vulnerability was determined in llvm llvm-project up to 22.1.6. This impacts the function GCRelocateInst::getBasePtr in the library llvm/lib/IR/IntrinsicInst.cpp of the component Bitcode File Handler. 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. The project was informed of the problem early through an issue report but has not responded yet.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.01.9LOW
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Secondary3.13.3LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Secondary2.01.7LOW
AV:L/AC:L/Au:S/C:N/I:N/A:P
N/A
Type: Secondary
Version: 4.0
Base score: 1.9
Base severity: LOW
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Type: Secondary
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
Type: Secondary
Version: 2.0
Base score: 1.7
Base severity: LOW
Vector:
AV:L/AC:L/Au:S/C:N/I:N/A:P
Type: N/A
Version:
Base score:
Base severity: N/A
Vector:
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-119Secondarycna@vuldb.com
CWE-122Secondarycna@vuldb.com
CWE ID: CWE-119
Type: Secondary
Source: cna@vuldb.com
CWE ID: CWE-122
Type: Secondary
Source: cna@vuldb.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/llvm/llvm-project/cna@vuldb.com
N/A
https://github.com/llvm/llvm-project/issues/199191cna@vuldb.com
N/A
https://github.com/user-attachments/files/28142619/poc.zipcna@vuldb.com
N/A
https://vuldb.com/cve/CVE-2026-13574cna@vuldb.com
N/A
https://vuldb.com/submit/844468cna@vuldb.com
N/A
https://vuldb.com/vuln/374582cna@vuldb.com
N/A
https://vuldb.com/vuln/374582/cticna@vuldb.com
N/A
https://github.com/llvm/llvm-project/issues/199191134c704f-9b21-4f2e-91b3-4a467353bcc0
N/A
Hyperlink: https://github.com/llvm/llvm-project/
Source: cna@vuldb.com
Resource: N/A
Hyperlink: https://github.com/llvm/llvm-project/issues/199191
Source: cna@vuldb.com
Resource: N/A
Hyperlink: https://github.com/user-attachments/files/28142619/poc.zip
Source: cna@vuldb.com
Resource: N/A
Hyperlink: https://vuldb.com/cve/CVE-2026-13574
Source: cna@vuldb.com
Resource: N/A
Hyperlink: https://vuldb.com/submit/844468
Source: cna@vuldb.com
Resource: N/A
Hyperlink: https://vuldb.com/vuln/374582
Source: cna@vuldb.com
Resource: N/A
Hyperlink: https://vuldb.com/vuln/374582/cti
Source: cna@vuldb.com
Resource: N/A
Hyperlink: https://github.com/llvm/llvm-project/issues/199191
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Resource: N/A

Change History

0
Information is not available yet

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