GO-2021-0347

    Dashboard / Vulnerabilities / GO-2021-0347

    GO-2021-0347

    Published: 23 May 2022Last Modified: 20 May 2024

    Summary: Stack exhaustion when compiling deeply nested expressions in regexp

    Details: On 64-bit platforms, an extremely deeply nested expression can cause regexp.Compile to cause goroutine stack exhaustion, forcing the program to exit. Note this applies to very large expressions, on the order of 2MB.

    References: https://go.dev/cl/384616, https://go.googlesource.com/go/+/452f24ae94f38afa3704d4361d91d51218405c0a, https://go.dev/issue/51112, https://groups.google.com/g/golang-announce/c/RP1hfrBYVuk

    Affected packages

    Package

    Name: stdlib

    Purl: pkg:golang/stdlib

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 0
    Fixed -1.16.15

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    GO-2021-0347 | CVE-DB