CVE-2026-83530

Uncontrolled Memory Allocation in cel-go

State
Published
Severity
6.9 Medium
Published
Sep 9, 2026
Updated
Sep 9, 2026
Reserved
Aug 31, 2026

Read the record on cve.org

Description

A user could provide an expression whose string length is longer than the ParserExpressionSizeLimit() configured on the CEL environment, and a memory allocation would occur proportional to the size of the input before the limit would be checked / enforced.

Scores

CVSSScoreVectorSource
4.06.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:NGoogle

Weaknesses

  • CWE-789 Memory Allocation with Excessive Size Value

Affected Products

ProductVersions
cel-goGoogle
  • before 0.29.0Affected

References

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