CVE-2026-13573 (GCVE-0-2026-13573)
Vulnerability from cvelistv5 – Published: 2026-06-29 14:00 – Updated: 2026-06-29 15:23
VLAI
Title
llvm llvm-project ValueSymbolTable ValueSymbolTable.cpp insert stack-based overflow
Summary
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.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/374581 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/374581/cti | signaturepermissions-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/2814169… | exploit |
| https://github.com/llvm/llvm-project/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| llvm | llvm-project |
Affected:
22.1.0
Affected: 22.1.1 Affected: 22.1.2 Affected: 22.1.3 Affected: 22.1.4 Affected: 22.1.5 Affected: 22.1.6 cpe:2.3:a:llvm:llvm-project:*:*:*:*:*:*:*:* |
Credits
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
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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