[CLSA-2026:1782297343] Fix CVE(s): CVE-2026-9669
Type:
security
Severity:
Important
Release date:
2026-06-24 10:36:05 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:4e514cb33b3910024e3abace59d8b3eb5a5a1e0e
  • alt-python36-debug_3.6.15-39_amd64.deb
    sha:d75bbf19ec977da1490ab4321a83624db6e3590c
  • alt-python36-devel_3.6.15-39_amd64.deb
    sha:1a12cb06145f32dace1242011f1d74b62506a214
  • alt-python36-libs_3.6.15-39_amd64.deb
    sha:d1c32c2260f996829eca43e30824b8aecb35efff
  • alt-python36-test_3.6.15-39_amd64.deb
    sha:b582ed0b87fa7a5c55851e9f30762c5cc8037745
  • alt-python36-tkinter_3.6.15-39_amd64.deb
    sha:e76c2d270a15d9cd2aeb550832690dd120ddc14a
  • alt-python36-tools_3.6.15-39_amd64.deb
    sha:985215db573377d5b167666b8cf97b98934cfc80
Notes:
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