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Vulnerability Details :

CVE-2026-13573

Summary
Assigner-VulDB
Assigner Org ID-1af790b2-7ee1-4545-860a-a788eba489b5
Published At-29 Jun, 2026 | 14:00
Updated At-29 Jun, 2026 | 15:23
Rejected At-
Credits

llvm llvm-project ValueSymbolTable ValueSymbolTable.cpp insert stack-based overflow

A vulnerability was found in llvm llvm-project up to 22.1.6. This affects the function llvm::StringMap::insert in the library /lib/IR/ValueSymbolTable.cpp of the component ValueSymbolTable Module. The manipulation results in stack-based buffer overflow. Attacking locally is a requirement. The exploit has been made public and could be used. 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)
â–¼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:VulDB
Assigner Org ID:1af790b2-7ee1-4545-860a-a788eba489b5
Published At:29 Jun, 2026 | 14:00
Updated At:29 Jun, 2026 | 15:23
Rejected At:
â–¼CVE Numbering Authority (CNA)
llvm llvm-project ValueSymbolTable ValueSymbolTable.cpp insert stack-based overflow

A vulnerability was found in llvm llvm-project up to 22.1.6. This affects the function llvm::StringMap::insert in the library /lib/IR/ValueSymbolTable.cpp of the component ValueSymbolTable Module. The manipulation results in stack-based buffer overflow. Attacking locally is a requirement. The exploit has been made public and could be used. 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
  • ValueSymbolTable Module
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-121Stack-based Buffer Overflow
CWECWE-119Memory Corruption
Type: CWE
CWE ID: CWE-121
Description: Stack-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 20:52:46
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 20:52:46
Replaced By

Rejected Reason

References
HyperlinkResource
https://vuldb.com/vuln/374581
vdb-entry
technical-description
https://vuldb.com/vuln/374581/cti
signature
permissions-required
https://vuldb.com/cve/CVE-2026-13573
third-party-advisory
https://vuldb.com/submit/844457
third-party-advisory
https://github.com/llvm/llvm-project/issues/199187
issue-tracking
https://github.com/user-attachments/files/28141697/poc.zip
exploit
https://github.com/llvm/llvm-project/
product
Hyperlink: https://vuldb.com/vuln/374581
Resource:
vdb-entry
technical-description
Hyperlink: https://vuldb.com/vuln/374581/cti
Resource:
signature
permissions-required
Hyperlink: https://vuldb.com/cve/CVE-2026-13573
Resource:
third-party-advisory
Hyperlink: https://vuldb.com/submit/844457
Resource:
third-party-advisory
Hyperlink: https://github.com/llvm/llvm-project/issues/199187
Resource:
issue-tracking
Hyperlink: https://github.com/user-attachments/files/28141697/poc.zip
Resource:
exploit
Hyperlink: https://github.com/llvm/llvm-project/
Resource:
product
â–¼Authorized 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
Information is not available yet
â–¼National Vulnerability Database (NVD)
nvd.nist.gov
Source:cna@vuldb.com
Published At:29 Jun, 2026 | 15:16
Updated At:29 Jun, 2026 | 18:47

A vulnerability was found in llvm llvm-project up to 22.1.6. This affects the function llvm::StringMap::insert in the library /lib/IR/ValueSymbolTable.cpp of the component ValueSymbolTable Module. The manipulation results in stack-based buffer overflow. Attacking locally is a requirement. The exploit has been made public and could be used. 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-121Secondarycna@vuldb.com
CWE ID: CWE-119
Type: Secondary
Source: cna@vuldb.com
CWE ID: CWE-121
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/199187cna@vuldb.com
N/A
https://github.com/user-attachments/files/28141697/poc.zipcna@vuldb.com
N/A
https://vuldb.com/cve/CVE-2026-13573cna@vuldb.com
N/A
https://vuldb.com/submit/844457cna@vuldb.com
N/A
https://vuldb.com/vuln/374581cna@vuldb.com
N/A
https://vuldb.com/vuln/374581/cticna@vuldb.com
N/A
Hyperlink: https://github.com/llvm/llvm-project/
Source: cna@vuldb.com
Resource: N/A
Hyperlink: https://github.com/llvm/llvm-project/issues/199187
Source: cna@vuldb.com
Resource: N/A
Hyperlink: https://github.com/user-attachments/files/28141697/poc.zip
Source: cna@vuldb.com
Resource: N/A
Hyperlink: https://vuldb.com/cve/CVE-2026-13573
Source: cna@vuldb.com
Resource: N/A
Hyperlink: https://vuldb.com/submit/844457
Source: cna@vuldb.com
Resource: N/A
Hyperlink: https://vuldb.com/vuln/374581
Source: cna@vuldb.com
Resource: N/A
Hyperlink: https://vuldb.com/vuln/374581/cti
Source: cna@vuldb.com
Resource: N/A

Change History

0
Information is not available yet

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