Multiple vulnerabilities in libsoup



| Updated: 2025-05-29
Risk Medium
Patch available YES
Number of vulnerabilities 4
CVE-ID CVE-2025-32906
CVE-2025-2784
CVE-2025-32912
CVE-2025-46421
CWE-ID CWE-125
CWE-126
CWE-476
CWE-200
Exploitation vector Network
Public exploit N/A
Vulnerable software
 libsoup
Universal components / Libraries / Libraries used by multiple products

Vendor Gnome Development Team

Security Bulletin

This security bulletin contains information about 4 vulnerabilities.

1) Out-of-bounds read

EUVDB-ID: #VU109834

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-2025-32906

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 in soup_headers_parse_request() 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

Install update from vendor's website.

Vulnerable software versions

libsoup: 1.99.15 - 3.6.4

CPE2.3 External links

https://bugzilla.redhat.com/show_bug.cgi?id=2359341


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) Buffer Over-read

EUVDB-ID: #VU109926

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-2025-2784

CWE-ID: CWE-126 - Buffer over-read

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error within the skip_insignificant_whitespace() function when reading server HTTP response. A remote attacker can trick the victim into visiting a specially crafted website and read 1 byte out of bounds.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

libsoup: 1.99.15 - 3.6.4

CPE2.3 External links

https://bugzilla.redhat.com/show_bug.cgi?id=2354669
https://gitlab.gnome.org/GNOME/libsoup/-/issues/422


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) NULL pointer dereference

EUVDB-ID: #VU109932

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-2025-32912

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

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

The vulnerability exists due to a NULL pointer dereference error in SoupAuthDigest. A remote attacker can trick the victim into visiting a specially crafted website and crash the application.

Mitigation

Install update from vendor's website.

Vulnerable software versions

libsoup: 1.99.15 - 3.6.4

CPE2.3 External links

https://bugzilla.redhat.com/show_bug.cgi?id=2359356


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) Information disclosure

EUVDB-ID: #VU109938

Risk: Low

CVSSv4.0: 0.5 [CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-46421

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

Exploit availability: No

Description

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

The vulnerability exists due to libsoup includes authorization headers into requests when handling HTTP redirects. A remote attacker can gain access to credentials intended for a different website.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

libsoup: 3.6.0 - 3.6.4

CPE2.3 External links

https://bugzilla.redhat.com/show_bug.cgi?id=2361962


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.



###SIDEBAR###