CVE-2026-88383
📛 CVE Title
CVE-2026-88383
Description
libical 4.0.6 contains an incompatible function pointer in icalparameter_string_to_kind(). When parsing iCalendar data containing a parameterized property, the function passes icalparameter_compare_kind_map() to bsearch() through an incompatible comparator function pointer type. bsearch() invokes the callback through the mismatched type, resulting in undefined behavior and process termination, leading to denial of service.
Overview
- State
- PUBLISHED
- Assigner (CNA)
- mitre
- CVSS severity
- —
- CVSS score
- —
- CVSS vector
- —
- Effective score
- no score available from CNA, NVD, or AI yet
- CWE(s)
- —
- Reserved
- 2026-09-10
- Published
- 2026-09-24 00:00 UTC
- Last updated
- 2026-09-24 16:32 UTC
- Source
- https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/88xxx/CVE-2026-88383.json
NVD / KEV / EPSS data refreshed 2026-09-25 04:34 UTC. Re-run the 🛰 Backfill from NVD button above to refresh.
AI-forensic CVSS estimate
Used only when a CVE has no official CVSS from its CNA or NVD. An LLM estimates the v3.1 base score from the description; a HIGH/CRITICAL estimate promotes the CVE to a Threat.
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European Union Vulnerability Database ENISA EUVD
ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.
- EUVD ID
-
EUVD-2026-86316 - Assigner
- mitre
- Published
- Sep 24, 2026, 12:00:00 AM
- Updated
- Sep 24, 2026, 4:32:24 PM
- EUVD base score
- 0.0 / 10
- EUVD-reported EPSS
- 0.0000
- Vendors
- n/a
- Products
-
n/a (n/a)
- Aliases
-
GHSA-r8r2-rvrx-7xqq
ENISA description: libical 4.0.6 contains an incompatible function pointer in icalparameter_string_to_kind(). When parsing iCalendar data containing a parameterized property, the function passes icalparameter_compare_kind_map() to bsearch() through an incompatible comparator function pointer type. bsearch() invokes the callback through the mismatched type, resulting in undefined behavior and process termination, leading to denial of service.
Affected products (1)
| Vendor | Product | Versions | Platforms |
|---|---|---|---|
| n/a | n/a |
n/a (affected)
|
— |
Vendor references (3)
References embedded in the original CVE record by the assigning CNA.
Web references (0)
DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.
No web references attached yet.
Remediations (10)
-
web:cvetodo.com
CVE - 2026 -8838 is a Remote Code Execution vulnerability in Amazon Redshift Connector For Python. See exploitation status, patch guidance, and technical details.
2026-09-25 10:46 UTC -
web:msrc.microsoft.com
The Microsoft Security Response Center (MSRC) investigates all reports of security vulnerabilities affecting Microsoft products and services, and provides the information here as part of the ongoing effort to help you manage security risks and help keep your systems protected.
2026-09-25 10:46 UTC -
web:sec.cloudapps.cisco.com
On September 16, 2026 , the Cisco Product Security Incident Response Team (PSIRT) published the advisories that are listed in the following tables. To remediate these vulnerabilities, Cisco strongly recommends that customers upgrade to the fixed software that is indicated in the advisories. For more information about changes in Cisco PSIRT vulnerability disclosure, see Strengthening the ...
2026-09-25 10:46 UTC -
web:senserva.com
Every Microsoft security patch (KB) and the CVEs it fixes, with severity, CVSS, and CISA KEV status. Cross-linked to the CVE reference.
2026-09-25 10:46 UTC -
web:socprime.com
CVE - 2026 -85880 and CVE - 2026 -81963 Mitigation Microsoft released security updates addressing both actively exploited vulnerabilities on September 8, 2026 . Because exploitation has already been observed in the wild, organizations should prioritize these updates rather than treating them as part of the normal vulnerability management cycle.
2026-09-25 10:46 UTC -
web:support.microsoft.com
This out-of-band (OOB) update for Windows 11, version 25H2 and Windows 11, version 24H2 (KB5121768) is cumulative. It includes all improvements from previous security and non-security updates, along with an additional fix . Improvements This OOB update includes the following improvement: [System Performance] This update addresses an issue affecting a limited number of devices with an Intel ...
2026-09-25 10:46 UTC -
web:www.aikido.dev
CVE remediation is fixing known flaws in the software you run. Why upgrading often fails, what remediation actually involves, and how backporting fixes it.
2026-09-25 10:46 UTC -
web:www.ibm.com
Remediation /Fixes IBM strongly recommends addressing the vulnerability now by applying a currently available interim fix or fix pack that contains the fix for APAR PH71265. For IBM HTTP Server used by IBM WebSphere Application Server: For V9.0.0.0 through 9.0.5.28: · Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves PH71265 -- OR ...
2026-09-25 10:46 UTC -
web:www.mozilla.org
Mozilla Foundation Security Advisory 2026 -45 Security Vulnerabilities fixed in Firefox 150.0.3 Announced May 12, 2026 Impact high Products Firefox Fixed in Firefox 150.0.3 # CVE - 2026 -8388: Incorrect boundary conditions in the JavaScript Engine: JIT component Reporter ggwhyp Impact high References Bug 2036978 # CVE - 2026 -8389: JIT miscompilation in the JavaScript Engine: JIT component Reporter ...
2026-09-25 10:46 UTC -
web:www.oracle.com
This Critical Patch Update contains 1448 new security patches across the product families listed below. Please note that a My Oracle Support (MOS) note summarizing the content of this Critical Patch Update and other Oracle Software Security Assurance activities is located at July 2026 Critical Patch Update: Executive Summary and Analysis.
2026-09-25 10:46 UTC
AI Forensic Analysis
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Raw JSON
The full cvelistV5 record. Download as CVE-2026-88383.json.
{
"containers": {
"cna": {
"affected": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "libical 4.0.6 contains an incompatible function pointer in icalparameter_string_to_kind(). When parsing iCalendar data containing a parameterized property, the function passes icalparameter_compare_kind_map() to bsearch() through an incompatible comparator function pointer type. bsearch() invokes the callback through the mismatched type, resulting in undefined behavior and process termination, leading to denial of service."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "n/a",
"lang": "en",
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}
]
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],
"providerMetadata": {
"dateUpdated": "2026-09-24T16:32:24.149Z",
"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"shortName": "mitre"
},
"references": [
{
"url": "https://github.com/libical/libical/issues/1361"
},
{
"url": "https://github.com/libical/libical/pull/1363"
},
{
"url": "https://github.com/libical/libical/pull/1363/changes/557d9c043733b33a8511dce41fdeeb508460d5a9"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"assignerShortName": "mitre",
"cveId": "CVE-2026-88383",
"datePublished": "2026-09-24T00:00:00.000Z",
"dateReserved": "2026-09-10T00:00:00.000Z",
"dateUpdated": "2026-09-24T16:32:24.149Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}