CLEANSTART-2024-JO21866

    Dashboard / Vulnerabilities / CLEANSTART-2024-JO21866

    CLEANSTART-2024-JO21866

    Published: 30 Oct 2026Last Modified: 31 Oct 2026
    Upstream:
    CVE-2023-6857

    Summary: When resolving a symlink, a race may occur where the buffer passed to `readlink` may actually be smaller than necessary

    Details: Security vulnerability affects the firefox-esr package. When resolving a symlink, a race may occur where the buffer passed to `readlink` may actually be smaller than necessary.

    References: https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2024/CLEANSTART-2024-JO21866.json, https://osv.dev/vulnerability/CVE-2023-6857, https://nvd.nist.gov/vuln/detail/CVE-2023-6857

    Affected packages

    Package

    Name: firefox-esr

    Purl: pkg:apk/cleanstart/firefox-esr?arch=x86_64

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -115.6.0-r0

    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
    CLEANSTART-2024-JO21866 | CVE-DB