FKIE_CVE-2026-0719
Vulnerability from fkie_nvd - Published: 2026-01-08 13:15 - Updated: 2026-06-17 10:11
Severity
Summary
A flaw was identified in the NTLM authentication handling of the libsoup HTTP library, used by GNOME and other applications for network communication. When processing extremely long passwords, an internal size calculation can overflow due to improper use of signed integers. This results in incorrect memory allocation on the stack, followed by unsafe memory copying. As a result, applications using libsoup may crash unexpectedly, creating a denial-of-service risk.
References
Impacted products
| Vendor | Product | Version |
|---|
{
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{
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"vendor": "Red Hat",
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{
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"cpe:/a:redhat:rhel_eus_long_life:8.4::appstream",
"cpe:/o:redhat:rhel_aus:8.4::baseos"
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"packageName": "libsoup",
"product": "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support",
"vendor": "Red Hat",
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"vendor": "Red Hat",
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{
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"cpe:/a:redhat:rhel_tus:8.6::appstream",
"cpe:/o:redhat:rhel_tus:8.6::baseos",
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"product": "Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support",
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"cpe:/o:redhat:rhel_e4s:8.6::baseos",
"cpe:/a:redhat:rhel_tus:8.6::appstream",
"cpe:/o:redhat:rhel_tus:8.6::baseos",
"cpe:/o:redhat:rhel_aus:8.6::baseos"
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"vendor": "Red Hat",
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"packageName": "libsoup",
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"vendor": "Red Hat",
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},
{
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"defaultStatus": "affected",
"packageName": "libsoup",
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"vendor": "Red Hat",
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{
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],
"source": "secalert@redhat.com"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A flaw was identified in the NTLM authentication handling of the libsoup HTTP library, used by GNOME and other applications for network communication. When processing extremely long passwords, an internal size calculation can overflow due to improper use of signed integers. This results in incorrect memory allocation on the stack, followed by unsafe memory copying. As a result, applications using libsoup may crash unexpectedly, creating a denial-of-service risk."
}
],
"id": "CVE-2026-0719",
"lastModified": "2026-06-17T10:11:15.760",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.6,
"baseSeverity": "HIGH",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H",
"version": "3.1"
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"exploitabilityScore": 3.9,
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"type": "Secondary"
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"ssvcV203": [
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"options": [
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{
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{
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}
],
"role": "CISA Coordinator",
"timestamp": "2026-01-09T04:55:18.739103Z",
"version": "2.0.3"
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}
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},
"published": "2026-01-08T13:15:43.283",
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{
"source": "secalert@redhat.com",
"url": "https://access.redhat.com/security/cve/CVE-2026-0719"
},
{
"source": "secalert@redhat.com",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2427906"
},
{
"source": "secalert@redhat.com",
"url": "https://gitlab.gnome.org/GNOME/libsoup/-/issues/477"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Deferred",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-121"
}
],
"source": "secalert@redhat.com",
"type": "Secondary"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
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.
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