Fixed packages 14
| Release | Package | Fixed in |
|---|---|---|
| Red Hat · RHEL 8 enterprise_linux:8::appstream | python3.11 | 0:3.11.13-5.el8_10 |
| Red Hat · RHEL 8 enterprise_linux:8::appstream | python3.11-debuginfo | 0:3.11.13-5.el8_10 |
| Red Hat · RHEL 8 enterprise_linux:8::appstream | python3.11-debugsource | 0:3.11.13-5.el8_10 |
| Red Hat · RHEL 8 enterprise_linux:8::appstream | python3.11-devel | 0:3.11.13-5.el8_10 |
| Red Hat · RHEL 8 enterprise_linux:8::appstream | python3.11-libs | 0:3.11.13-5.el8_10 |
| Red Hat · RHEL 8 enterprise_linux:8::appstream | python3.11-rpm-macros | 0:3.11.13-5.el8_10 |
| Red Hat · RHEL 8 enterprise_linux:8::appstream | python3.11-tkinter | 0:3.11.13-5.el8_10 |
| Red Hat · RHEL 8 enterprise_linux:8::crb | python3.11 | 0:3.11.13-5.el8_10 |
| Red Hat · RHEL 8 enterprise_linux:8::crb | python3.11-debug | 0:3.11.13-5.el8_10 |
| Red Hat · RHEL 8 enterprise_linux:8::crb | python3.11-debuginfo | 0:3.11.13-5.el8_10 |
| Red Hat · RHEL 8 enterprise_linux:8::crb | python3.11-debugsource | 0:3.11.13-5.el8_10 |
| Red Hat · RHEL 8 enterprise_linux:8::crb | python3.11-idle | 0:3.11.13-5.el8_10 |
| Red Hat · RHEL 8 enterprise_linux:8::crb | python3.11-test | 0:3.11.13-5.el8_10 |
| Red Hat · RHEL 8 enterprise_linux:8::crb | python3.11-tkinter | 0:3.11.13-5.el8_10 |
Vulnerabilities 4
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Medium 6.0
email BytesGenerator header injection due to unquoted newlines
The email module, specifically the "BytesGenerator" class, didn’t properly quote newlines for email headers when serializing an email message allowing for header injection when an email is serialized. This is only applicable if using "LiteralHeader" writing h…
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Medium 5.9
IMAP command injection in user-controlled commands
The imaplib module, when passed a user-controlled command, can have additional commands injected using newlines. Mitigation rejects commands containing control characters.
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Medium 5.9
POP3 command injection in user-controlled commands
The poplib module, when passed a user-controlled command, can have additional commands injected using newlines. Mitigation rejects commands containing control characters.
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Medium 5.9
wsgiref.headers.Headers allows header newline injection
User-controlled header names and values containing newlines can allow injecting HTTP headers.
References
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article
https://access.redhat.com/security/updates/classification/#moderate
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2431367
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2431368
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2431373
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2432437
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advisory
https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_4473.json
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report
https://access.redhat.com/security/cve/CVE-2025-15366
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advisory
https://www.cve.org/CVERecord?id=CVE-2025-15366
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advisory
https://nvd.nist.gov/vuln/detail/CVE-2025-15366
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article
https://github.com/python/cpython/issues/143921
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article
https://github.com/python/cpython/pull/143922
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article
https://mail.python.org/archives/list/security-announce@python.org/thread/DD7C7JZJYTBXMDOWKCEIEBJLBRU64OMR/
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report
https://access.redhat.com/security/cve/CVE-2025-15367
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advisory
https://www.cve.org/CVERecord?id=CVE-2025-15367
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advisory
https://nvd.nist.gov/vuln/detail/CVE-2025-15367
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article
https://github.com/python/cpython/issues/143923
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article
https://github.com/python/cpython/pull/143924
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article
https://mail.python.org/archives/list/security-announce@python.org/thread/CBFBOWVGGUJFSGITQCCBZS4GEYYZ7ZNE/
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report
https://access.redhat.com/security/cve/CVE-2026-0865
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advisory
https://www.cve.org/CVERecord?id=CVE-2026-0865
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advisory
https://nvd.nist.gov/vuln/detail/CVE-2026-0865
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article
https://github.com/python/cpython/issues/143916
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article
https://github.com/python/cpython/pull/143917
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article
https://mail.python.org/archives/list/security-announce@python.org/thread/BJ6QPHNSHJTS3A7CFV6IBMCAP2DWRVNT/
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report
https://access.redhat.com/security/cve/CVE-2026-1299
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advisory
https://www.cve.org/CVERecord?id=CVE-2026-1299
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advisory
https://nvd.nist.gov/vuln/detail/CVE-2026-1299
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article
https://cve.org/CVERecord?id=CVE-2024-6923
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article
https://github.com/python/cpython/commit/052e55e7d44718fe46cbba0ca995cb8fcc359413
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article
https://github.com/python/cpython/issues/144125
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article
https://github.com/python/cpython/pull/144126
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article
https://mail.python.org/archives/list/security-announce@python.org/thread/6ZZULGALJTITEAGEXLDJE2C6FORDXPBT/