Medium
Security advisory
The icalparser_parse_string function in libical 0.47 and 1.0 allows remote attackers to cause a denial of service (out-of-bounds heap read) via a crafted ics file.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2016-5825
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 07:51 UTC · Revision 1
Source evidence
The icalparser_parse_string function in libical 0.47 and 1.0 allows remote attackers to cause a denial of service (out-of-bounds heap read) via a crafted ics file.
osv:CVE-2016-5825
Complete source record
{
"id": "54f503d46494774db2dce7295fe13c0ea36f9173de3babe422fb6da813b73e9c",
"url": "https://osv.dev/vulnerability/CVE-2016-5825",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2016-5825",
"summary": "The icalparser_parse_string function in libical 0.47 and 1.0 allows remote attackers to cause a denial of service (out-of-bounds heap read) via a crafted ics file.",
"evidence": "osv:CVE-2016-5825",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2016-5825",
"aliases": [
"CVE-2016-5825"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/libical/libical",
"type": "GIT",
"events": [
{
"introduced": "43858141030ba123a4959231cadc9951b983f0fd"
},
{
"last_affected": "43858141030ba123a4959231cadc9951b983f0fd"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:libical_project:libical:1.0:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.0"
},
{
"last_affected": "1.0"
}
],
"source": "CPE_STRING"
}
]
}
}
],
"versions": [
"1.0",
"v1.0.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-5825.json"
}
}
],
"modified": "2026-10-24T10:30:59.389791989Z",
"provider": "osv",
"references": [
"https://bugzilla.mozilla.org/show_bug.cgi?id=1280832"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:a:libical_project:libical:0.47:*:*:*:*:*:*:*"
],
"vendor_product": "libical_project:libical",
"extracted_events": [
{
"range": [
{
"introduced": "0.47"
},
{
"last_affected": "0.47"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2016-5825",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 439297,
"published_at": "2017-01-27T22:59:00.63+00:00"
}