[CLSA-2026:1782293298] Fix CVE(s): CVE-2026-9669
Type:
security
Severity:
Important
Release date:
2026-06-24 09:28:36 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:a4c570661a3105d96df45325a534ec26a68bce7d
  • alt-python36-debug_3.6.15-39_amd64.deb
    sha:8b18605757a1c94a9978c928c119e0721758f85c
  • alt-python36-devel_3.6.15-39_amd64.deb
    sha:221725224c59e8e3dfc2f32bf63ec80e55abc31a
  • alt-python36-libs_3.6.15-39_amd64.deb
    sha:e3c10f0ca18d98674022dbb455b4b28e6fd8706c
  • alt-python36-test_3.6.15-39_amd64.deb
    sha:884c48d81187bdbcc7dea6d2a2f441c9dd076520
  • alt-python36-tkinter_3.6.15-39_amd64.deb
    sha:7757eeb90a769ae22ca18111637b5fa2ce7ae9c2
  • alt-python36-tools_3.6.15-39_amd64.deb
    sha:3c2b21392d9713fd7df1817934327259052cb798
Notes:
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