[CLSA-2026:1782295755] Fix CVE(s): CVE-2026-9669
Type:
security
Severity:
Important
Release date:
2026-06-24 10:09:32 UTC
Description:
* SECURITY UPDATE: a bz2.BZ2Decompressor could be reused after a libbz2 decompression error. Re-entering BZ2_bzDecompress() once libbz2 had reported an error could write past the end of a stack buffer (CWE-121, possible stack buffer overflow). - debian/patches/CVE-2026-9669.patch: backport of cpython 5755d0f0 (gh-150599, Stan Ulbrych). Records the libbz2 error in a new bzerror field, clears needs_input on the error path, and makes decompress() raise ValueError ("Decompressor is unusable after a previous error") on any subsequent call. Adapted to 3.6: plain needs_input reset (no free-threading atomics) and the existing ACQUIRE_LOCK/RELEASE_LOCK wrappers; NEWS.d fragment omitted as 3.6.15 ships a single Misc/NEWS. - CVE-2026-9669
CVEs fixed:
Updated packages:
  • alt-python36_3.6.15-39_amd64.deb
    sha:125053f3bc578769020939adde43bc7488e6c19e
  • alt-python36-debug_3.6.15-39_amd64.deb
    sha:a5328d3f945b04501853167065b703adc78f2d10
  • alt-python36-devel_3.6.15-39_amd64.deb
    sha:6c88bcb1e59ba1363f771e83f39f41d626b51fe4
  • alt-python36-libs_3.6.15-39_amd64.deb
    sha:96f45e1ad1b657a7070b633d9c47b035dac807ad
  • alt-python36-test_3.6.15-39_amd64.deb
    sha:c4d807be257b96e740a070956d61d497d34dff08
  • alt-python36-tkinter_3.6.15-39_amd64.deb
    sha:0f9c3e824e9dc34484e2f0fd1358f788b2464564
  • alt-python36-tools_3.6.15-39_amd64.deb
    sha:d49ccb26d3b91dde7bfe06dd8993f662b7272daa
Notes:
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