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AZL-75026 CVE-2026-0672 affecting package python3 for versions less than 3.12.9-8

🗓️ 20 Jan 2026 22:15:52Reported by GoogleType 
osv
 osv🔗 osv.dev

Patch for Python package python3 before version 3.12.9-8 fixes header injection via Morsel by rejecting control characters in cookie names, values, and parameters.

Related
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB		CVE-2026-0672
20 Jan 202621:52
–attackerkb
ATTACKERKB		CVE-2026-3644
16 Mar 202617:37
–attackerkb
Tenable Nessus		Amazon Linux 2023 : python3.13, python3.13-devel, python3.13-freethreading (ALAS2023-2026-1437)
19 Feb 202600:00
–nessus
Tenable Nessus		Amazon Linux 2023 : python3.12, python3.12-devel, python3.12-idle (ALAS2023-2026-1444)
19 Feb 202600:00
–nessus
Tenable Nessus		Amazon Linux 2023 : python3.11, python3.11-devel, python3.11-idle (ALAS2023-2026-1447)
6 Mar 202600:00
–nessus
Tenable Nessus		Amazon Linux 2023 : python3, python3-devel, python3-idle (ALAS2023-2026-1583)
13 Apr 202600:00
–nessus
Tenable Nessus		Amazon Linux 2023 : python3.13, python3.13-devel, python3.13-freethreading (ALAS2023-2026-1600)
30 Apr 202600:00
–nessus
Tenable Nessus		Amazon Linux 2023 : python3.14, python3.14-devel, python3.14-freethreading (ALAS2023-2026-1617)
30 Apr 202600:00
–nessus
Tenable Nessus		Amazon Linux 2023 : python3, python3-devel, python3-idle (ALAS2023-2026-1618)
30 Apr 202600:00
–nessus
Tenable Nessus		Amazon Linux 2023 : python3.12, python3.12-devel, python3.12-idle (ALAS2023-2026-1619)
30 Apr 202600:00
–nessus
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21 Apr 2026 04:38Current
5.7Medium risk
Vulners AI Score5.7
CVSS 46
EPSS0.00205
SSVC
python packageheader injectioncookie namescookie valuescookie parameterscookie control characters
0