Ubuntu update for libsoup2.4



Risk High
Patch available YES
Number of vulnerabilities 5
CVE-ID CVE-2025-32907
CVE-2025-32914
CVE-2025-4945
CVE-2025-4948
CVE-2025-4969
CWE-ID CWE-400
CWE-125
CWE-190
CWE-191
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Ubuntu
Operating systems & Components / Operating system

libsoup2.4 (Ubuntu package)
Operating systems & Components / Operating system package or component

Vendor Canonical Ltd.

Security Bulletin

This security bulletin contains information about 5 vulnerabilities.

1) Resource exhaustion

EUVDB-ID: #VU109941

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-32907

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 when handling HTTP requests. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation

Update the affected package libsoup2.4 to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 25.04

libsoup2.4 (Ubuntu package): before 2.52.2-1ubuntu0.3+esm5

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7643-1


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) Out-of-bounds read

EUVDB-ID: #VU109942

Risk: Medium

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-32914

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the soup_multipart_new_from_message() function. A remote attacker can trick the victim into visiting a specially crafted website, trigger an out-of-bounds read error and read contents of memory on the system.

Mitigation

Update the affected package libsoup2.4 to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 25.04

libsoup2.4 (Ubuntu package): before 2.52.2-1ubuntu0.3+esm5

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7643-1


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) Integer overflow

EUVDB-ID: #VU109946

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2025-4945

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to integer overflow when handling cookies. A remote attacker can trick the victim into visiting a specially crafted website, trigger an integer overflow and execute arbitrary code on the target system.

Mitigation

Update the affected package libsoup2.4 to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 25.04

libsoup2.4 (Ubuntu package): before 2.52.2-1ubuntu0.3+esm5

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7643-1


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) Integer underflow

EUVDB-ID: #VU109945

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-4948

CWE-ID: CWE-191 - Integer underflow

Exploit availability: No

Description

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

The vulnerability exists due to integer underflow within the soup_multipart_new_from_message() function when handling multipart messages. A remote attacker can trick the victim into visiting a specially crafted website, trigger an integer underflow and crash the application.

Mitigation

Update the affected package libsoup2.4 to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 25.04

libsoup2.4 (Ubuntu package): before 2.52.2-1ubuntu0.3+esm5

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7643-1


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) Out-of-bounds read

EUVDB-ID: #VU109947

Risk: Medium

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-4969

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition when handling multipart HTTP messages. A remote attacker can trick the victim into visiting a specially crafted website, trigger an out-of-bounds read error and read contents of memory on the system.

Mitigation

Update the affected package libsoup2.4 to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 25.04

libsoup2.4 (Ubuntu package): before 2.52.2-1ubuntu0.3+esm5

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7643-1


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.



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