Gentoo update for Python, PyPy

1) Incorrect Regular Expression

EUVDB-ID: #VU96745

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-6232

CWE-ID: CWE-185 - Incorrect Regular Expression

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of .tar archives when processing it with regular expressions. A remote attacker can pass specially crafted data to the application and perform regular expression denial of service (ReDos) attack.

Mitigation

Update the affected packages.
dev-lang/pypy to version:
dev-lang/python to version:

Vulnerable software versions

Gentoo Linux: All versions

dev-lang/python: before 3.4.5

CPE2.3

External links

https://security.gentoo.org/glsa/202506-07

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Command Injection

EUVDB-ID: #VU95571

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-6923

CWE-ID: CWE-77 - Command injection

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to insufficient validation of newlines for email headers when serializing an email message. A remote attacker can inject arbitrary headers into serialized email messages.

Mitigation

Update the affected packages.
dev-lang/pypy to version:
dev-lang/python to version:

Vulnerable software versions

Gentoo Linux: All versions

dev-lang/python: before 3.4.5

CPE2.3

External links

https://security.gentoo.org/glsa/202506-07

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Resource exhaustion

EUVDB-ID: #VU96945

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-7592

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources within the 'http.cookies' standard library module when parsing cookies that contained backslashes for quoted characters in the cookie value. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation

Update the affected packages.
dev-lang/pypy to version:
dev-lang/python to version:

Vulnerable software versions

Gentoo Linux: All versions

dev-lang/python: before 3.4.5

CPE2.3

External links

https://security.gentoo.org/glsa/202506-07

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) Infinite loop

EUVDB-ID: #VU96596

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-8088

CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to infinite loop within the the CPython "zipfile" module affecting "zipfile.Path". A remote attacker can consume all available system resources and cause denial of service conditions.

Mitigation

Update the affected packages.
dev-lang/pypy to version:
dev-lang/python to version:

Vulnerable software versions

Gentoo Linux: All versions

dev-lang/python: before 3.4.5

CPE2.3

External links

https://security.gentoo.org/glsa/202506-07

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

5) Path traversal

EUVDB-ID: #VU111969

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-12718

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

Description

The vulnerability allows a remote attacker to modify arbitrary files on the system.

The vulnerability exists due to input validation error in the tarfile module. A remote attacker can pass a specially crafted archive to the application and modify some file metadata (e.g. last modified) with filter="data" or file permissions (chmod) with filter="tar" of files outside the extraction directory.

Mitigation

Update the affected packages.
dev-lang/pypy to version:
dev-lang/python to version:

Vulnerable software versions

Gentoo Linux: All versions

dev-lang/python: before 3.4.5

CPE2.3

External links

https://security.gentoo.org/glsa/202506-07

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

6) Link following

EUVDB-ID: #VU111968

Risk: High

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2025-4138

CWE-ID: CWE-59 - Improper Link Resolution Before File Access ('Link Following')

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to an insecure link following issue when extracting data from an archive in the tarfile module. A remote attacker can pass a specially crafted archive to the application and overwrite arbitrary files outside the destination directory during extraction with filter="data"..

Mitigation

Update the affected packages.
dev-lang/pypy to version:
dev-lang/python to version:

Vulnerable software versions

Gentoo Linux: All versions

dev-lang/python: before 3.4.5

CPE2.3

External links

https://security.gentoo.org/glsa/202506-07

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

7) Link following

EUVDB-ID: #VU111967

Risk: High

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2025-4330

CWE-ID: CWE-59 - Improper Link Resolution Before File Access ('Link Following')

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to an insecure link following issue when extracting data from an archive in the tarfile module. A remote attacker can pass a specially crafted archive to the application and overwrite arbitrary files outside the destination directory.

Mitigation

Update the affected packages.
dev-lang/pypy to version:
dev-lang/python to version:

Vulnerable software versions

Gentoo Linux: All versions

dev-lang/python: before 3.4.5

CPE2.3

External links

https://security.gentoo.org/glsa/202506-07

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

8) Use-after-free

EUVDB-ID: #VU112030

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-4516

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error when using the bytes.decode("unicode_escape", error="ignore|replace") function call. A remote attacker can pass a specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation

Update the affected packages.
dev-lang/pypy to version:
dev-lang/python to version:

Vulnerable software versions

Gentoo Linux: All versions

dev-lang/python: before 3.4.5

CPE2.3

External links

https://security.gentoo.org/glsa/202506-07

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

9) Path traversal

EUVDB-ID: #VU111966

Risk: High

CVSSv4.0: 8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2025-4517

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to input validation error in the tarfile module when extracting files from an archive with filter="data". A remote attacker can pass specially crafted archive to the application and write files to arbitrary locations on the system outside the extraction directory.

Mitigation

Update the affected packages.
dev-lang/pypy to version:
dev-lang/python to version:

Vulnerable software versions

Gentoo Linux: All versions

dev-lang/python: before 3.4.5

CPE2.3

External links

https://security.gentoo.org/glsa/202506-07

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

Risk	High
Patch available	YES
Number of vulnerabilities	9
CVE-ID	CVE-2024-6232 CVE-2024-6923 CVE-2024-7592 CVE-2024-8088 CVE-2024-12718 CVE-2025-4138 CVE-2025-4330 CVE-2025-4516 CVE-2025-4517
CWE-ID	CWE-185 CWE-77 CWE-400 CWE-835 CWE-22 CWE-59 CWE-416
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	Gentoo Linux Operating systems & Components / Operating system dev-lang/python Operating systems & Components / Operating system package or component
Vendor	Gentoo