gh-87451: Apply CVE-2021-4189 PASV fix to ftplib.ftpcp() by gpshead · Pull Request #149648 · python/cpython · GitHub

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gpshead:gh-87451-ftplib-ftpcp

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Pull requests 2.6k

Security and quality 0

ftplib should not use the host from the PASV response #87451

PASV fix to ftplib.ftpcp()

awaiting core review

awaiting core review

needs backport to 3.10

needs backport to 3.10

needs backport to 3.11

needs backport to 3.11

needs backport to 3.12

needs backport to 3.12

needs backport to 3.13

needs backport to 3.13

needs backport to 3.14

needs backport to 3.14

needs backport to 3.15

needs backport to 3.15

Merge branch 'main' into

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Update the thank you attribution.

: Use unittest.mock instead of hand-written fakes in ft…

bedevere-app Bot commented May 13, 2026

bedevere-app Bot commented May 13, 2026

GH-149792 is a backport of this pull request to the 3.15 branch.

PASV fix to ftplib.ftpcp() (

PASV fix to ftplib.ftpcp() (

PASV fix to ftplib.ftpcp() (

PASV fix to ftplib.ftpcp() (

PASV fix to ftplib.ftpcp() (

PASV fix to ftplib.ftpcp() (