CVE-2026-0988
Full vulnerability record from the local CVENow database.
Description
A flaw was found in glib. Missing validation of offset and count parameters in the g_buffered_input_stream_peek() function can lead to an integer overflow during length calculation. When specially crafted values are provided, this overflow results in an incorrect size being passed to memcpy(), triggering a buffer overflow. This can cause application crashes, leading to a Denial of Service (DoS).
Severity
LOW
CVSS score
3.7
(v3.1)
Vulnerability status
Deferred
Source identifier
Published
2026-01-21 12:15:55.560000
Last modified
2026-11-06 18:17:31.277000
View original CVE JSON
{
"id": "CVE-2026-0988",
"sourceIdentifier": "[email protected]",
"published": "2026-01-21T12:15:55.560",
"lastModified": "2026-11-06T18:17:31.277",
"vulnStatus": "Deferred",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A flaw was found in glib. Missing validation of offset and count parameters in the g_buffered_input_stream_peek() function can lead to an integer overflow during length calculation. When specially crafted values are provided, this overflow results in an incorrect size being passed to memcpy(), triggering a buffer overflow. This can cause application crashes, leading to a Denial of Service (DoS)."
},
{
"lang": "es",
"value": "Se encontró una vulnerabilidad en glib. La falta de validación de los parámetros offset y count en la función g_buffered_input_stream_peek() puede conducir a un desbordamiento de entero durante el cálculo de la longitud. Cuando se proporcionan valores especialmente manipulados, este desbordamiento resulta en que se pase un tamaño incorrecto a memcpy(), lo que desencadena un desbordamiento de búfer. Esto puede causar caídas de la aplicación, lo que lleva a una denegación de servicio (DoS)."
}
],
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{
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"metrics": {
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
"baseScore": 3.7,
"baseSeverity": "LOW",
"attackVector": "NETWORK",
"attackComplexity": "HIGH",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "LOW"
},
"exploitabilityScore": 2.2,
"impactScore": 1.4
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-01-21T14:25:32.217763Z",
"id": "CVE-2026-0988",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-190"
}
]
}
],
"references": [
{
"url": "https://access.redhat.com/errata/RHSA-2026:7461",
"source": "[email protected]"
},
{
"url": "https://access.redhat.com/security/cve/CVE-2026-0988",
"source": "[email protected]"
},
{
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2429886",
"source": "[email protected]"
},
{
"url": "https://gitlab.gnome.org/GNOME/glib/-/issues/3851",
"source": "[email protected]"
}
]
}