CVE-2025-4948 (GCVE-0-2025-4948)

Vulnerability from cvelistv5 – Published: 2025-05-19 15:55 – Updated: 2025-11-18 08:34
VLAI?
Summary
A flaw was found in the soup_multipart_new_from_message() function of the libsoup HTTP library, which is commonly used by GNOME and other applications to handle web communications. The issue occurs when the library processes specially crafted multipart messages. Due to improper validation, an internal calculation can go wrong, leading to an integer underflow. This can cause the program to access invalid memory and crash. As a result, any application or server using libsoup could be forced to exit unexpectedly, creating a denial-of-service (DoS) risk.
CWE
  • CWE-191 - Integer Underflow (Wrap or Wraparound)
Assigner
References
https://access.redhat.com/errata/RHSA-2025:21657 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:8126 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:8128 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:8132 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:8139 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:8140 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:8252 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:8480 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:8481 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:8482 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:8663 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:9179 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2025-4948 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2367183 issue-trackingx_refsource_REDHAT
https://gitlab.gnome.org/GNOME/libsoup/-/issues/449
Impacted products
Vendor Product Version
Affected: 0 , ≤ 3.6.5 (semver)
    Red Hat Red Hat Enterprise Linux 10 Unaffected: 0:3.6.5-3.el10_0.6 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:10.0
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support Unaffected: 0:2.62.2-9.el7_9 , < * (rpm)
    cpe:/o:redhat:rhel_els:7
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support Unaffected: 0:2.62.2-6.el7_9 , < * (rpm)
    cpe:/o:redhat:rhel_els:7
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:2.62.3-9.el8_10 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:8::baseos
    cpe:/a:redhat:enterprise_linux:8::appstream
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:2.62.3-9.el8_10 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:8::baseos
    cpe:/a:redhat:enterprise_linux:8::appstream
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support Unaffected: 0:2.62.3-1.el8_2.5 , < * (rpm)
    cpe:/a:redhat:rhel_aus:8.2::appstream
    cpe:/o:redhat:rhel_aus:8.2::baseos
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Unaffected: 0:2.62.3-2.el8_4.5 , < * (rpm)
    cpe:/o:redhat:rhel_aus:8.4::baseos
    cpe:/a:redhat:rhel_aus:8.4::appstream
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support Unaffected: 0:2.62.3-2.el8_6.5 , < * (rpm)
    cpe:/a:redhat:rhel_aus:8.6::appstream
    cpe:/o:redhat:rhel_aus:8.6::baseos
    cpe:/a:redhat:rhel_e4s:8.6::appstream
    cpe:/a:redhat:rhel_tus:8.6::appstream
    cpe:/o:redhat:rhel_e4s:8.6::baseos
    cpe:/o:redhat:rhel_tus:8.6::baseos
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8.6 Telecommunications Update Service Unaffected: 0:2.62.3-2.el8_6.5 , < * (rpm)
    cpe:/a:redhat:rhel_aus:8.6::appstream
    cpe:/o:redhat:rhel_aus:8.6::baseos
    cpe:/a:redhat:rhel_e4s:8.6::appstream
    cpe:/a:redhat:rhel_tus:8.6::appstream
    cpe:/o:redhat:rhel_e4s:8.6::baseos
    cpe:/o:redhat:rhel_tus:8.6::baseos
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions Unaffected: 0:2.62.3-2.el8_6.5 , < * (rpm)
    cpe:/a:redhat:rhel_aus:8.6::appstream
    cpe:/o:redhat:rhel_aus:8.6::baseos
    cpe:/a:redhat:rhel_e4s:8.6::appstream
    cpe:/a:redhat:rhel_tus:8.6::appstream
    cpe:/o:redhat:rhel_e4s:8.6::baseos
    cpe:/o:redhat:rhel_tus:8.6::baseos
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 8.8 Extended Update Support Unaffected: 0:2.62.3-3.el8_8.5 , < * (rpm)
    cpe:/a:redhat:rhel_eus:8.8::appstream
    cpe:/o:redhat:rhel_eus:8.8::baseos
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:2.72.0-10.el9_6.2 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:9::appstream
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions Unaffected: 0:2.72.0-8.el9_0.5 , < * (rpm)
    cpe:/a:redhat:rhel_e4s:9.0::appstream
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9.2 Extended Update Support Unaffected: 0:2.72.0-8.el9_2.5 , < * (rpm)
    cpe:/a:redhat:rhel_eus:9.2::appstream
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support Unaffected: 0:2.72.0-8.el9_4.5 , < * (rpm)
    cpe:/a:redhat:rhel_eus:9.4::appstream
Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
Create a notification for this product.
Credits
Red Hat would like to thank fouzhe and zkbytes for reporting this issue.
Show details on NVD website

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          "time": "2025-05-19T05:22:19.904000+00:00",
          "value": "Reported to Red Hat."
        },
        {
          "lang": "en",
          "time": "2025-05-19T00:00:00+00:00",
          "value": "Made public."
        }
      ],
      "title": "Libsoup: integer underflow in soup_multipart_new_from_message() leading to denial of service in libsoup",
      "workarounds": [
        {
          "lang": "en",
          "value": "To mitigate this issue, Red Hat recommends avoiding the use of libsoup with untrusted or unauthenticated multipart HTTP message sources until updated packages are available. Administrators can deploy application-level filters or HTTP proxies that reject malformed multipart requests. It is strongly advised to apply vendor-supplied patches as soon as they are released to address this integer underflow vulnerability and restore the stability of affected services."
        }
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    "assignerShortName": "redhat",
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    "dateReserved": "2025-05-19T06:24:43.391Z",
    "dateUpdated": "2025-11-18T08:34:19.758Z",
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  }
}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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