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High severity7.8NVD Advisory· Published Jan 20, 2023· Updated Jun 17, 2026

CVE-2021-33641

CVE-2021-33641

Description

When processing files, malloc stores the data of the current line. When processing comments, malloc incorrectly accesses the released memory (use after free).

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3
  • Openeuler/byacc
    cpe:2.3:a:openeuler:byacc:*:*:*:*:*:*:*:*
    Range: <1.9.20200330
  • malloc/mallocdescription
  • Byacc/byaccllm-create

Patches

Vulnerability mechanics

References

1

News mentions

0

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