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ALPINE-CVE-2021-22945

ALPINE-CVE-2021-22945

This page contains facts from public vulnerability sources. Check the original advisory before updating.

When sending data to an MQTT server, libcurl <= 7.73.0 and 7.78.0 could in some circumstances erroneously keep a pointer to an already freed memory area and both use that again in a subsequent call to send data and also free it *again*.

CVSS 9.1 · Critical · Fix available

Published
Updated

Stack: system

Affected products and versions

  • curl Alpine:v3.11

    Affected ranges
    • ECOSYSTEM: < 7.79.0-r0

    Update to 7.79.0-r0

  • curl Alpine:v3.12

    Affected ranges
    • ECOSYSTEM: < 7.79.0-r0

    Update to 7.79.0-r0

  • curl Alpine:v3.13

    Affected ranges
    • ECOSYSTEM: < 7.79.0-r0

    Update to 7.79.0-r0

  • curl Alpine:v3.14

    Affected ranges
    • ECOSYSTEM: < 7.79.0-r0

    Update to 7.79.0-r0

  • curl Alpine:v3.15

    Affected ranges
    • ECOSYSTEM: < 7.79.0-r0

    Update to 7.79.0-r0

  • curl Alpine:v3.16

    Affected ranges
    • ECOSYSTEM: < 7.79.0-r0

    Update to 7.79.0-r0

  • curl Alpine:v3.17

    Affected ranges
    • ECOSYSTEM: < 7.79.0-r0

    Update to 7.79.0-r0

  • curl Alpine:v3.18

    Affected ranges
    • ECOSYSTEM: < 7.79.0-r0

    Update to 7.79.0-r0

  • curl Alpine:v3.19

    Affected ranges
    • ECOSYSTEM: < 7.79.0-r0

    Update to 7.79.0-r0

  • curl Alpine:v3.20

    Affected ranges
    • ECOSYSTEM: < 7.79.0-r0

    Update to 7.79.0-r0

  • curl Alpine:v3.21

    Affected ranges
    • ECOSYSTEM: < 7.79.0-r0

    Update to 7.79.0-r0

  • curl Alpine:v3.22

    Affected ranges
    • ECOSYSTEM: < 7.79.0-r0

    Update to 7.79.0-r0

  • curl Alpine:v3.23

    Affected ranges
    • ECOSYSTEM: < 7.79.0-r0

    Update to 7.79.0-r0

  • curl Alpine:v3.24

    Affected ranges
    • ECOSYSTEM: < 7.79.0-r0

    Update to 7.79.0-r0

Original sources

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