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CVE-2021-39293 High

CVE-2021-39293

In archive/zip in Go before 1.16.8 and 1.17.x before 1.17.1, a crafted archive header (falsely designating that many files are present) can cause a NewReader or OpenReader panic. NOTE: this issue exists because of an incomplete fix for CVE-2021-33196.

Exploit probability 6.9%
Published January 24, 2022
Required by Not available
Last source change July 9, 2026

02 / AFFECTED SOFTWARE

Affected packages

Unknown Unknown

144 explicit affected versions

Bitnami golang
Go stdlib

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities CVE-2021-39293

In archive/zip in Go before 1.16.8 and 1.17.x before 1.17.1, a crafted archive header (falsely designating that many files are present) can cause a NewReader or OpenReader panic. NOTE: this issue exists because of an incomplete fix for CVE-2021-33196.

View original source
Open Source Vulnerabilities BIT-golang-2021-39293

In archive/zip in Go before 1.16.8 and 1.17.x before 1.17.1, a crafted archive header (falsely designating that many files are present) can cause a NewReader or OpenReader panic. NOTE: this issue exists because of an incomplete fix for CVE-2021-33196.

View original source
Open Source Vulnerabilities GO-2022-0273

The NewReader and OpenReader functions in archive/zip can cause a panic or an unrecoverable fatal error when reading an archive that claims to contain a large number of files, regardless of its actual size. This is caused by an incomplete fix for CVE-2021-33196.

View original source

05 / REFERENCES

Further evidence