CVE-2026-9669

Sažetak

bz2.BZ2Decompressor objects could be reused after a decompression error. If an application caught the resulting OSError and retried with the same decompressor, crafted input could cause the decompressor to resume from an invalid internal state and perform out-of-bounds writes to a stack buffer. This could crash the process when processing untrusted data.

Reference

https://github.com/python/cpython/commit/157a5df8cb5d82b33f918a7489e72ce95ceb12b6
https://github.com/python/cpython/commit/5755d0f083949ff3c5bf3a37e673e24e306b036e
https://github.com/python/cpython/commit/619a12b2e545391dc436b3af79dda22337382a6f
https://github.com/python/cpython/commit/d3ca26983dfbccdf609f24ff5877dc3118e4702d
https://github.com/python/cpython/issues/150599
https://github.com/python/cpython/pull/150600
https://mail.python.org/archives/list/security-announce@python.org/thread/DBJZETMGUIFK7DVUWMOXHD3Z6IX2QPSX/
http://www.openwall.com/lists/oss-security/2026/06/08/17

CVSS

Base:	0.0
Impact:	None
Exploitability:	None

Pristup

Vektor	Složenost	Autentikacija
None	None	None

Impact

Povjerljivost	Cjelovitost	Dostupnost
None	None	None

CVSS vektor

None

Zadnje važnije ažuriranje

10-06-2026 - 19:16

Objavljeno

08-06-2026 - 23:17