Summary
[3.12.12-4.0.1.el9_7.3]
- Remove upstream URL reference
[3.12.12-4.3]
- Security fixes for CVE-2026-4786, CVE-2026-6100
Resolves: RHEL-168156, RHEL-167914
[3.12.12-4.2]
- Security fix for CVE-2026-4519
Resolves: RHEL-158051
[3.12.12-4.1]
- Security fixes for CVE-2026-0865, CVE-2025-15366, CVE-2025-15367 and CVE-2026-1299
Resolves: RHEL-143106 RHEL-143168 RHEL-144891
Fixed packages 7
| Release | Package | Fixed in |
|---|---|---|
| Oracle Linux · 9 | python3.12 | 0:3.12.12-4.0.1.el9_7.3 |
| Oracle Linux · 9 | python3.12-debug | 0:3.12.12-4.0.1.el9_7.3 |
| Oracle Linux · 9 | python3.12-devel | 0:3.12.12-4.0.1.el9_7.3 |
| Oracle Linux · 9 | python3.12-idle | 0:3.12.12-4.0.1.el9_7.3 |
| Oracle Linux · 9 | python3.12-libs | 0:3.12.12-4.0.1.el9_7.3 |
| Oracle Linux · 9 | python3.12-test | 0:3.12.12-4.0.1.el9_7.3 |
| Oracle Linux · 9 | python3.12-tkinter | 0:3.12.12-4.0.1.el9_7.3 |
Vulnerabilities 2
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Critical 9.1
Use-after-free in lzma.LZMADecompressor, bz2.BZ2Decompressor, and gzip.GzipFile after re-use under memory pressure
Use-after-free (UAF) was possible in the `lzma.LZMADecompressor`, `bz2.BZ2Decompressor`, and `gzip.GzipFile` when a memory allocation fails with a `MemoryError` and the decompression instance is re-used. This scenario can be triggered if the process is under …
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High 7.0
Incomplete mitigation of CVE-2026-4519, %action expansion for command injection to webbrowser.open()
Mitgation of CVE-2026-4519 was incomplete. If the URL contained "%action" the mitigation could be bypassed for certain browser types the "webbrowser.open()" API could have commands injected into the underlying shell. See CVE-2026-4519 for details.