[CLSA-2026:1782296037] Fix CVE(s): CVE-2026-9669
Type:
security
Severity:
Important
Release date:
2026-06-24 10:14:14 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:1b9677f092d587c5e5f280545734ec29257fa67c
  • alt-python36-debug_3.6.15-39_amd64.deb
    sha:4050edf472b6fd6d62cc32342bd3eb048ef85973
  • alt-python36-devel_3.6.15-39_amd64.deb
    sha:0ff86990c11a84afbcab33dc0f6a1456ba0e9814
  • alt-python36-libs_3.6.15-39_amd64.deb
    sha:9509e3f0e296e0a563d80a4f023050e1235c409b
  • alt-python36-test_3.6.15-39_amd64.deb
    sha:c9e71073f4aaa06451948093b96d15ffa152c45c
  • alt-python36-tkinter_3.6.15-39_amd64.deb
    sha:3e87299d70b4f5627cc4e3ab73623da90afef925
  • alt-python36-tools_3.6.15-39_amd64.deb
    sha:9ec1212a9ee85e6d4d638b48bab730fd95e8f744
Notes:
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