ubuntu-cve-2025-4948
Vulnerability from osv_ubuntu
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.
{
"affected": [
{
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
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"2.52.1-1",
"2.52.2-1",
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"2.52.2-1ubuntu0.2",
"2.52.2-1ubuntu0.3",
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"2.52.2-1ubuntu0.3+esm4"
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{
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"2.62.1-1ubuntu0.4",
"2.62.1-1ubuntu0.4+esm1",
"2.62.1-1ubuntu0.4+esm2",
"2.62.1-1ubuntu0.4+esm3",
"2.62.1-1ubuntu0.4+esm4",
"2.62.1-1ubuntu0.4+esm5"
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},
{
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
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"binary_name": "libsoup2.4-1",
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{
"binary_name": "libsoup2.4-tests",
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"package": {
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"name": "libsoup2.4",
"purl": "pkg:deb/ubuntu/libsoup2.4@2.70.0-1ubuntu0.5+esm1?arch=source\u0026distro=esm-infra/focal"
},
"ranges": [
{
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{
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{
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],
"versions": [
"2.68.2-0ubuntu1",
"2.68.2-1",
"2.68.2-2",
"2.68.2-2build2",
"2.69.90-1",
"2.70.0-1",
"2.70.0-1ubuntu0.1",
"2.70.0-1ubuntu0.2",
"2.70.0-1ubuntu0.3",
"2.70.0-1ubuntu0.4",
"2.70.0-1ubuntu0.5"
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},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "gir1.2-soup-2.4",
"binary_version": "2.74.2-3ubuntu0.6"
},
{
"binary_name": "libsoup-gnome2.4-1",
"binary_version": "2.74.2-3ubuntu0.6"
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{
"binary_name": "libsoup2.4-1",
"binary_version": "2.74.2-3ubuntu0.6"
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{
"binary_name": "libsoup2.4-common",
"binary_version": "2.74.2-3ubuntu0.6"
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{
"binary_name": "libsoup2.4-tests",
"binary_version": "2.74.2-3ubuntu0.6"
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},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "libsoup2.4",
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"2.74.2-3ubuntu0.2",
"2.74.2-3ubuntu0.3",
"2.74.2-3ubuntu0.4",
"2.74.2-3ubuntu0.5"
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{
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "gir1.2-soup-3.0",
"binary_version": "3.0.7-0ubuntu1+esm5"
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{
"binary_name": "libsoup-3.0-0",
"binary_version": "3.0.7-0ubuntu1+esm5"
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"binary_name": "libsoup-3.0-common",
"binary_version": "3.0.7-0ubuntu1+esm5"
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"binary_name": "libsoup-3.0-tests",
"binary_version": "3.0.7-0ubuntu1+esm5"
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]
},
"package": {
"ecosystem": "Ubuntu:Pro:22.04:LTS",
"name": "libsoup3",
"purl": "pkg:deb/ubuntu/libsoup3@3.0.7-0ubuntu1+esm5?arch=source\u0026distro=esm-apps/jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
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{
"fixed": "3.0.7-0ubuntu1+esm5"
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"type": "ECOSYSTEM"
}
],
"versions": [
"3.0.4-2",
"3.0.4-3",
"3.0.5-1",
"3.0.7-0ubuntu1",
"3.0.7-0ubuntu1+esm1",
"3.0.7-0ubuntu1+esm2",
"3.0.7-0ubuntu1+esm3",
"3.0.7-0ubuntu1+esm4"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "gir1.2-soup-2.4",
"binary_version": "2.74.3-6ubuntu1.6"
},
{
"binary_name": "libsoup-2.4-1",
"binary_version": "2.74.3-6ubuntu1.6"
},
{
"binary_name": "libsoup-gnome-2.4-1",
"binary_version": "2.74.3-6ubuntu1.6"
},
{
"binary_name": "libsoup2.4-common",
"binary_version": "2.74.3-6ubuntu1.6"
},
{
"binary_name": "libsoup2.4-tests",
"binary_version": "2.74.3-6ubuntu1.6"
}
]
},
"package": {
"ecosystem": "Ubuntu:24.04:LTS",
"name": "libsoup2.4",
"purl": "pkg:deb/ubuntu/libsoup2.4@2.74.3-6ubuntu1.6?arch=source\u0026distro=noble"
},
"ranges": [
{
"events": [
{
"introduced": "0"
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{
"fixed": "2.74.3-6ubuntu1.6"
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"type": "ECOSYSTEM"
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],
"versions": [
"2.74.3-1",
"2.74.3-2",
"2.74.3-3",
"2.74.3-6",
"2.74.3-6build1",
"2.74.3-6ubuntu1",
"2.74.3-6ubuntu1.1",
"2.74.3-6ubuntu1.2",
"2.74.3-6ubuntu1.3",
"2.74.3-6ubuntu1.4",
"2.74.3-6ubuntu1.5"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "gir1.2-soup-3.0",
"binary_version": "3.4.4-5ubuntu0.5"
},
{
"binary_name": "libsoup-3.0-0",
"binary_version": "3.4.4-5ubuntu0.5"
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{
"binary_name": "libsoup-3.0-common",
"binary_version": "3.4.4-5ubuntu0.5"
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{
"binary_name": "libsoup-3.0-tests",
"binary_version": "3.4.4-5ubuntu0.5"
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"package": {
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"3.4.4-1",
"3.4.4-2",
"3.4.4-4",
"3.4.4-5",
"3.4.4-5build1",
"3.4.4-5build2",
"3.4.4-5ubuntu0.1",
"3.4.4-5ubuntu0.2",
"3.4.4-5ubuntu0.3",
"3.4.4-5ubuntu0.4"
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},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "gir1.2-soup-2.4",
"binary_version": "2.74.3-10.1ubuntu4"
},
{
"binary_name": "libsoup-2.4-1",
"binary_version": "2.74.3-10.1ubuntu4"
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"binary_name": "libsoup-gnome-2.4-1",
"binary_version": "2.74.3-10.1ubuntu4"
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"binary_name": "libsoup2.4-common",
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"binary_name": "libsoup2.4-tests",
"binary_version": "2.74.3-10.1ubuntu4"
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"package": {
"ecosystem": "Ubuntu:25.10",
"name": "libsoup2.4",
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"2.74.3-10.1ubuntu2",
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{
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"binaries": [
{
"binary_name": "gir1.2-soup-3.0",
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{
"binary_name": "libsoup-3.0-0",
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"package": {
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"versions": [
"3.6.5-1",
"3.6.5-1ubuntu1"
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{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "gir1.2-soup-2.4",
"binary_version": "2.74.3-10.1ubuntu4"
},
{
"binary_name": "libsoup-2.4-1",
"binary_version": "2.74.3-10.1ubuntu4"
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{
"binary_name": "libsoup-gnome-2.4-1",
"binary_version": "2.74.3-10.1ubuntu4"
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{
"binary_name": "libsoup2.4-common",
"binary_version": "2.74.3-10.1ubuntu4"
},
{
"binary_name": "libsoup2.4-tests",
"binary_version": "2.74.3-10.1ubuntu4"
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]
},
"package": {
"ecosystem": "Ubuntu:26.04:LTS",
"name": "libsoup2.4",
"purl": "pkg:deb/ubuntu/libsoup2.4@2.74.3-10.1ubuntu4?arch=source\u0026distro=resolute"
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"versions": []
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],
"aliases": [],
"details": "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.",
"id": "UBUNTU-CVE-2025-4948",
"modified": "2026-05-20T15:15:57Z",
"published": "2025-05-19T16:15:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2025-4948"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-4948"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2025-4948"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-7643-1"
}
],
"related": [
"USN-7643-1"
],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2025-4948"
]
}
Sightings
| Author | Source | Type | Date | Other |
|---|
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.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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