CVE-2018-20406

Originalbeschreibung

Modules/_pickle.c in Python before 3.7.1 has an integer overflow via a large LONG_BINPUT value that is mishandled during a "resize to twice the size" attempt. This issue might cause memory exhaustion, but is only relevant if the pickle format is used for serializing tens or hundreds of gigabytes of data. This issue is fixed in: v3.4.10, v3.4.10rc1; v3.5.10, v3.5.10rc1, v3.5.7, v3.5.7rc1, v3.5.8, v3.5.8rc1, v3.5.8rc2, v3.5.9; v3.6.10, v3.6.10rc1, v3.6.11, v3.6.11rc1, v3.6.12, v3.6.7, v3.6.7rc1, v3.6.7rc2, v3.6.8, v3.6.8rc1, v3.6.9, v3.6.9rc1; v3.7.1, v3.7.1rc1, v3.7.1rc2, v3.7.2, v3.7.2rc1, v3.7.3, v3.7.3rc1, v3.7.4, v3.7.4rc1, v3.7.4rc2, v3.7.5, v3.7.5rc1, v3.7.6, v3.7.6rc1, v3.7.7, v3.7.7rc1, v3.7.8, v3.7.8rc1, v3.7.9.

Betroffene Software

• Python ≥ 3.4.0 < 3.7.1 Behoben in: 3.7.1 exakte Übereinstimmung

Details

Veröffentlicht

2018-12-24

Zuletzt geändert

2026-10-16

CVSS-Vektor

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Referenzen

• cve.org/CVE-2018-20406
• nvd.nist.gov/vuln/detail/CVE-2018-20406
• bugs.python.org/issue34656
• lists.debian.org/debian-lts-announce/2019/02/msg00011.html
• github.com/python/cpython/commit/a4ae828ee416a66d8c7bf5ee71d653c2cc6a26dd
• lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J...
• lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/D...
• lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A...
• lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I...
• lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T...
• lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4...
• security.netapp.com/advisory/ntap-20190416-0010/
• usn.ubuntu.com/4127-2/
• usn.ubuntu.com/4127-1/