CVE-2026-13573

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

LOW
3.3
CVSS Score
Published: June 29, 2026 at 02:00 PM UTC
Updated: October 25, 2026 at 09:10 PM UTC
1 product affected across 1 vendorLlvm

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Severity
LOW3.3
Exploit prediction
EPSS 0.2%
SSVC
PoC

Description

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (7)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/374581
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/374581/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-13573
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/844457

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

3.3LOWVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-121CWE-119

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