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CVE-2026-8925

CVE-2026-8925 · SASL double-free

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

The curl logic that works with SASL authentication could end up cleaning up the GSASL context *twice* without clearing the pointer in between, making it `free()` the same pointer twice.

CVSS 9.8 · Critical · EPSS 1.1% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • curl

    Versions
    • ≥ 8.15.0, < 8.16.1: Affected (semver)
    • ≥ 8.17.0, < 8.20.1: Affected (semver)

    Update to 8.16.1; Update to 8.20.1

  • curl

    Versions
    • ≥ ab650379a8c25ca952f651476d25b4cdd77bb3fc, < 3da249e1f0716c06644ed3522a37a8bf81808012: Affected (git)

    No fix published

  • curl

    Versions
    • 8.20.0: Affected
    • 8.19.0: Affected
    • 8.18.0: Affected
    • 8.17.0: Affected
    • 8.16.0: Affected
    • 8.15.0: Affected

    No fix published

  • curl Debian:14

    Versions
    • 8.14.1-2
    • 8.14.1-2+exp1
    • 8.15.0-1
    • 8.15.0-1~bpo13+1
    • 8.15.0-1~exp1
    • 8.15.0~rc1-1exp1
    • 8.15.0~rc2-1~exp1
    • 8.15.0~rc3-1~exp1
    • 8.16.0-1
    • 8.16.0-1+exp1
    • 8.16.0-1~bpo13+1
    • 8.16.0-2
    • 8.16.0-3
    • 8.16.0-4
    • 8.16.0-4~bpo13+1
    • 8.16.0~rc1-1~exp1
    • 8.16.0~rc2-1
    • 8.16.0~rc2-2
    • 8.16.0~rc3-1
    • 8.17.0-1
    • 8.17.0-2
    • 8.17.0-3
    • 8.17.0~rc1-1~exp1
    • 8.17.0~rc2-1
    • 8.17.0~rc3-1
    • 8.18.0-1
    • 8.18.0-1~bpo13+1
    • 8.18.0-2
    • 8.18.0~rc1-1+exp1
    • 8.18.0~rc2-1
    • 8.18.0~rc3-1
    • 8.19.0-1
    • 8.19.0-1+exp1
    • 8.19.0-1~bpo13+1
    • 8.19.0-2
    • 8.19.0-3
    • 8.19.0-3+exp1
    • 8.19.0-3+exp2
    • 8.19.0~rc1-1~exp1
    • 8.19.0~rc2-1
    • 8.19.0~rc2-2
    • 8.19.0~rc3-1
    • 8.20.0-1
    • 8.20.0-1+exp
    • 8.20.0-2
    • 8.20.0-2+exp1
    • 8.20.0-2~bpo13+1
    • 8.20.0-3
    • 8.20.0-4
    • 8.20.0-5
    • 8.20.0-5~bpo13+1
    • 8.20.0~rc1-1+exp1
    • 8.20.0~rc1-1+exp2
    • 8.20.0~rc1-1+exp3
    • 8.20.0~rc2-1
    • 8.20.0~rc2-1+exp1
    • 8.20.0~rc3-1
    • 8.20.0~rc3-1+exp1
    • 8.21.0~rc1-1+exp1
    Affected ranges
    • ECOSYSTEM: < 8.21.0~rc2-1

    Update to 8.21.0~rc2-1

  • curl Ubuntu:22.04:LTS

    Versions
    • 7.74.0-1.3ubuntu2
    • 7.74.0-1.3ubuntu3
    • 7.80.0-3
    • 7.81.0-1
    • 7.81.0-1ubuntu1.1
    • 7.81.0-1ubuntu1.2
    • 7.81.0-1ubuntu1.3
    • 7.81.0-1ubuntu1.4
    • 7.81.0-1ubuntu1.6
    • 7.81.0-1ubuntu1.7
    • 7.81.0-1ubuntu1.8
    • 7.81.0-1ubuntu1.10
    • 7.81.0-1ubuntu1.11
    • 7.81.0-1ubuntu1.13
    • 7.81.0-1ubuntu1.14
    • 7.81.0-1ubuntu1.15
    • 7.81.0-1ubuntu1.16
    • 7.81.0-1ubuntu1.17
    • 7.81.0-1ubuntu1.18
    • 7.81.0-1ubuntu1.19
    • 7.81.0-1ubuntu1.20
    • 7.81.0-1ubuntu1.21
    • 7.81.0-1ubuntu1.22
    • 7.81.0-1ubuntu1.23
    • 7.81.0-1ubuntu1.24
    Affected ranges
    • ECOSYSTEM: < 7.81.0-1ubuntu1.25

    Update to 7.81.0-1ubuntu1.25

  • curl Ubuntu:24.04:LTS

    Versions
    • 8.2.1-1ubuntu3
    • 8.2.1-1ubuntu3.1
    • 8.4.0-2ubuntu1
    • 8.5.0-2ubuntu1
    • 8.5.0-2ubuntu2
    • 8.5.0-2ubuntu8
    • 8.5.0-2ubuntu9
    • 8.5.0-2ubuntu10
    • 8.5.0-2ubuntu10.1
    • 8.5.0-2ubuntu10.2
    • 8.5.0-2ubuntu10.3
    • 8.5.0-2ubuntu10.4
    • 8.5.0-2ubuntu10.5
    • 8.5.0-2ubuntu10.6
    • 8.5.0-2ubuntu10.7
    • 8.5.0-2ubuntu10.8
    • 8.5.0-2ubuntu10.9
    Affected ranges
    • ECOSYSTEM: < 8.5.0-2ubuntu10.10

    Update to 8.5.0-2ubuntu10.10

  • curl Ubuntu:25.10

    Versions
    • 8.12.1-3ubuntu1
    • 8.13.0-5ubuntu1
    • 8.14.1-1ubuntu2
    • 8.14.1-1ubuntu3
    • 8.14.1-2ubuntu1
    • 8.14.1-2ubuntu1.1
    • 8.14.1-2ubuntu1.2
    • 8.14.1-2ubuntu1.3
    Affected ranges
    • ECOSYSTEM: < 8.14.1-2ubuntu1.4

    Update to 8.14.1-2ubuntu1.4

  • curl Ubuntu:26.04:LTS

    Versions
    • 8.14.1-2ubuntu1
    • 8.17.0-1ubuntu1
    • 8.18.0-1ubuntu1
    • 8.18.0-1ubuntu2
    • 8.18.0-1ubuntu2.1
    Affected ranges
    • ECOSYSTEM: < 8.18.0-1ubuntu2.2

    Update to 8.18.0-1ubuntu2.2

Original sources

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