What’s Vulnerable › Vulnerabilities

CVE-2020-21572

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-11-02 · updated 2026-06-17
• Weakness: CWE-120

Description

Buffer overflow vulnerability in function src_parser_trans_stage_1_2_3 trgil gilcc before commit 803969389ca9c06237075a7f8eeb1a19e6651759, allows attackers to cause a denial of service.

Affected products

• Gilcc Project Gilcc: before 2019-12-22 — fixed in 2019-12-22

How to fix

Upgrade to a fixed version: Gilcc Project Gilcc 2019-12-22. Check the vendor advisory for mitigations.

References

• https://github.com/trgil/gilcc/commit/803969389ca9c06237075a7f8eeb1a19e6651759
• https://github.com/trgil/gilcc/issues/1
• https://github.com/trgil/gilcc/commit/803969389ca9c06237075a7f8eeb1a19e6651759
• https://github.com/trgil/gilcc/issues/1

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