Fixed packages 10
| Release | Package | Fixed in |
|---|---|---|
| Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::appstream | python-unversioned-command | 0:3.9.16-1.el9_2.15 |
| Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::appstream | python3-devel | 0:3.9.16-1.el9_2.15 |
| Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::appstream | python3-tkinter | 0:3.9.16-1.el9_2.15 |
| Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::appstream | python3.9-debuginfo | 0:3.9.16-1.el9_2.15 |
| Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::appstream | python3.9-debugsource | 0:3.9.16-1.el9_2.15 |
| Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::baseos | python3 | 0:3.9.16-1.el9_2.15 |
| Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::baseos | python3-libs | 0:3.9.16-1.el9_2.15 |
| Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::baseos | python3.9 | 0:3.9.16-1.el9_2.15 |
| Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::baseos | python3.9-debuginfo | 0:3.9.16-1.el9_2.15 |
| Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::baseos | python3.9-debugsource | 0:3.9.16-1.el9_2.15 |
Vulnerabilities 3
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High 8.7
Incremental HTMLParser feed() allows CPU-exhaustion DoS via repeated unterminated markup declarations
The incremental HTML parser (html.parser.HTMLParser) allows for CPU denial-of-service through repeated unterminated markup declarations when processing uncontrolled data.
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Medium 4.3
HTMLParser quadratic complexity when processing malformed inputs
The html.parser.HTMLParser class had worse-case quadratic complexity when processing certain crafted malformed inputs potentially leading to amplified denial-of-service.
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Low 1.8
Quadratic complexity in os.path.expandvars() with user-controlled template
If the value passed to os.path.expandvars() is user-controlled a performance degradation is possible when expanding environment variables.
References
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article
https://access.redhat.com/security/updates/classification/#important
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2373234
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2408891
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2498608
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advisory
https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_76945.json
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report
https://access.redhat.com/security/cve/CVE-2025-6069
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advisory
https://www.cve.org/CVERecord?id=CVE-2025-6069
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advisory
https://nvd.nist.gov/vuln/detail/CVE-2025-6069
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article
https://github.com/python/cpython/commit/4455cbabf991e202185a25a631af206f60bbc949
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article
https://github.com/python/cpython/commit/6eb6c5dbfb528bd07d77b60fd71fd05d81d45c41
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article
https://github.com/python/cpython/commit/d851f8e258c7328814943e923a7df81bca15df4b
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article
https://github.com/python/cpython/issues/135462
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article
https://github.com/python/cpython/pull/135464
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report
https://access.redhat.com/security/cve/CVE-2025-6075
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advisory
https://www.cve.org/CVERecord?id=CVE-2025-6075
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advisory
https://nvd.nist.gov/vuln/detail/CVE-2025-6075
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article
https://github.com/python/cpython/issues/136065
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article
https://mail.python.org/archives/list/security-announce@python.org/thread/IUP5QJ6D4KK6ULHOMPC7DPNKRYQTQNLA/
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report
https://access.redhat.com/security/cve/CVE-2026-15308
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advisory
https://www.cve.org/CVERecord?id=CVE-2026-15308
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advisory
https://nvd.nist.gov/vuln/detail/CVE-2026-15308
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article
https://github.com/python/cpython/commit/07efb08123ba9367a7107325adb9d5626dca1ca9
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article
https://github.com/python/cpython/commit/7933f4bf7131aa4140750f9404f5de0aa2969ced
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article
https://github.com/python/cpython/commit/bcf98ddbc40ec9b3ee87da0124a5660b19b7e606
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article
https://github.com/python/cpython/commit/e9f92ac0b298292e7ff998e52cb8ccacfb27a0bd
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article
https://github.com/python/cpython/issues/153030
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article
https://github.com/python/cpython/pull/153031
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article
https://mail.python.org/archives/list/security-announce@python.org/thread/F6453LWKSHKCTWFLCOURWPLETNUIW2Z5/