[CLSA-2026:1786554737] Fix of 7 CVEs
Type:
security
Severity:
Important
Release date:
2026-08-12 17:12:32 UTC
Description:
* SECURITY UPDATE: tarfile.data_filter could be bypassed using crafted link entries, including symlinks with empty or directory-like names, to redirect later archive members outside the intended extraction directory, so tarfile.extractall() could write files outside the destination directory. - debian/patches/CVE-2026-7774.patch: backport of cpython c063191c ([3.10] branch variant of 57841198, gh-149486). data_filter now validates the normalised link target that is actually written to disk, resolves a symlink's target relative to its member name with trailing separators stripped, and rejects link members that would replace the destination directory itself. - CVE-2026-7774 * SECURITY UPDATE: ftplib.ftpcp() still called parse227() directly and passed the source server's self-reported PASV IPv4 address to the target server's PORT command, so a malicious source FTP server could redirect the target's data connection to an arbitrary host:port (SSRF); the CVE-2021-4189 fix only covered FTP.makepasv(). - debian/patches/CVE-2026-8328.patch: backport of cpython eac4fe3b (gh-87451). ftpcp() now uses the source server's actual peer address unless trust_server_pasv_ipv4_address is set, the same rule FTP.makepasv() already applies. - CVE-2026-8328
Updated packages:
  • alt-python36_3.6.15-43_amd64.deb
    sha:bd2b6acc6a114fd7ee2ed6c3296b71505961a8a7
  • alt-python36-debug_3.6.15-43_amd64.deb
    sha:7b9b06085dd2c8b73358b7d81974a0fea9ef2019
  • alt-python36-devel_3.6.15-43_amd64.deb
    sha:cd0d4d939236bc83a82037733e693d6037549f02
  • alt-python36-libs_3.6.15-43_amd64.deb
    sha:11152d4ddf0673e870f674c057a0049dde6937c4
  • alt-python36-test_3.6.15-43_amd64.deb
    sha:0b9647440d5ca5e8e6cd0c103308fbeb77db1dfb
  • alt-python36-tkinter_3.6.15-43_amd64.deb
    sha:052d8daae6bff26bd46d091a69307adb736a5d80
  • alt-python36-tools_3.6.15-43_amd64.deb
    sha:e6b31698e1b790c458dae9c1021ca8c77f305ae2
Notes:
This page is generated automatically and has not been checked for errors. For clarification or corrections please contact the CloudLinux Packaging Team.