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 ?
4.8 (Medium)
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
3.3 (Low)
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
3.3 (Low)
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
CWE
Assigner
References
Impacted products
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:*:*:*:*:*:*:*:*
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Credits
TYGLS (VulDB User) VulDB CNA Team
Show details on NVD website
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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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