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BIT-LIBPYTHON-2025-8194 Tarfile infinite loop during parsing with negative member offset

🗓️ 11 Aug 2025 15:33:34Reported by GoogleType 
osv
 osv🔗 osv.dev👁 2 Views

Tarfile negative offsets trigger infinite loop in TarFile methods; patch after tarfile import.

Related
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: IBM Watson Speech Services Cartridge is vulnerable to an infinate loop condition in CPython [CVE-2025-8194]
17 Dec 202514:19
–ibm
IBM Security Bulletins		Security Bulletin: IBM Instana Observability has addressed Multiple Vulnerabilities within Instana Agent container image
18 Sep 202507:50
–ibm
ATTACKERKB		CVE-2025-8194
28 Jul 202518:42
–attackerkb
Tenable Nessus		Amazon Linux 2023 : python3.12, python3.12-devel, python3.12-idle (ALAS2023-2025-1135)
18 Aug 202500:00
–nessus
Tenable Nessus		Amazon Linux 2023 : python3.11, python3.11-devel, python3.11-idle (ALAS2023-2025-1136)
18 Aug 202500:00
–nessus
Tenable Nessus		Amazon Linux 2023 : python3, python3-devel, python3-idle (ALAS2023-2025-1146)
18 Aug 202500:00
–nessus
Tenable Nessus		Amazon Linux 2023 : python3.13, python3.13-devel, python3.13-freethreading (ALAS2023-2025-1147)
18 Aug 202500:00
–nessus
Tenable Nessus		Amazon Linux 2 : python (ALAS-2025-2961)
19 Aug 202500:00
–nessus
Tenable Nessus		Amazon Linux 2 : python3 (ALAS-2025-2962)
19 Aug 202500:00
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Tenable Nessus		Alibaba Cloud Linux 3 : 0147: python3 (ALINUX3-SA-2025:0147)
1 Sep 202500:00
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11 Feb 2026 09:32Current
7.1High risk
Vulners AI Score7.1
CVSS 3.17.5
EPSS0.00611
SSVC
tarfile vulnerabilitynegative offsetsinfinite looptarfile methodsmalicious tar archives .
2