High
Security advisory
The TtfUtil:LocaLookup function in TtfUtil.cpp in Libgraphite in Graphite 2 1.2.4, as used in Mozilla Firefox before 43.0 and Firefox ESR 38.x before 38.6.1, incorrectly validates a size value, which allows remote attackers to obtain sensitive information or cause a denial of service (out-of-bounds read and application crash) via a crafted Graphite smart font.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2016-1526
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 04:55 UTC · Revision 1
Source evidence
The TtfUtil:LocaLookup function in TtfUtil.cpp in Libgraphite in Graphite 2 1.2.4, as used in Mozilla Firefox before 43.0 and Firefox ESR 38.x before 38.6.1, incorrectly validates a size value, which allows remote attackers to obtain sensitive information or cause a denial of service (out-of-bounds read and application crash) via a crafted Graphite smart font.
osv:CVE-2016-1526
Complete source record
{
"id": "d3134ca850ffe736940c69c4f5fa65a1b20d50cc914964925af82cc605984eae",
"url": "https://osv.dev/vulnerability/CVE-2016-1526",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2016-1526",
"summary": "The TtfUtil:LocaLookup function in TtfUtil.cpp in Libgraphite in Graphite 2 1.2.4, as used in Mozilla Firefox before 43.0 and Firefox ESR 38.x before 38.6.1, incorrectly validates a size value, which allows remote attackers to obtain sensitive information or cause a denial of service (out-of-bounds read and application crash) via a crafted Graphite smart font.",
"evidence": "osv:CVE-2016-1526",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2016-1526",
"aliases": [
"CVE-2016-1526"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/silnrsi/graphite",
"type": "GIT",
"events": [
{
"introduced": "6c7f2aa8d4f5d75d3f2ebbb019c4a7e2b0607461"
},
{
"last_affected": "6c7f2aa8d4f5d75d3f2ebbb019c4a7e2b0607461"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:sil:graphite2:1.2.4:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.2.4"
},
{
"last_affected": "1.2.4"
}
],
"source": "CPE_STRING"
}
]
}
}
],
"versions": [
"1.2.4"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-1526.json"
}
}
],
"modified": "2026-10-24T10:30:23.136200078Z",
"provider": "osv",
"references": [
"https://security.gentoo.org/glsa/201701-35",
"https://security.gentoo.org/glsa/201701-63"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*"
],
"vendor_product": "mozilla:thunderbird",
"extracted_events": [
{
"range": [
{
"last_affected": "38.5.1"
}
],
"source": "CPE_RANGE"
}
]
},
{
"cpes": [
"cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*",
"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*"
],
"vendor_product": "debian:debian_linux",
"extracted_events": [
{
"range": [
{
"introduced": "7.0"
},
{
"last_affected": "7.0"
},
{
"introduced": "8.0"
},
{
"last_affected": "8.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:*",
"cpe:2.3:o:fedoraproject:fedora:23:*:*:*:*:*:*:*"
],
"vendor_product": "fedoraproject:fedora",
"extracted_events": [
{
"range": [
{
"introduced": "22"
},
{
"last_affected": "22"
},
{
"introduced": "23"
},
{
"last_affected": "23"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:mozilla:firefox:38.0.1:*:*:*:*:*:*:*",
"cpe:2.3:a:mozilla:firefox:38.0.5:*:*:*:*:*:*:*",
"cpe:2.3:a:mozilla:firefox:38.0:*:*:*:*:*:*:*",
"cpe:2.3:a:mozilla:firefox:38.1.0:*:*:*:*:*:*:*",
"cpe:2.3:a:mozilla:firefox:38.1.1:*:*:*:*:*:*:*",
"cpe:2.3:a:mozilla:firefox:38.2.0:*:*:*:*:*:*:*",
"cpe:2.3:a:mozilla:firefox:38.2.1:*:*:*:*:*:*:*",
"cpe:2.3:a:mozilla:firefox:38.3.0:*:*:*:*:*:*:*",
"cpe:2.3:a:mozilla:firefox:38.4.0:*:*:*:*:*:*:*",
"cpe:2.3:a:mozilla:firefox:38.5.0:*:*:*:*:*:*:*",
"cpe:2.3:a:mozilla:firefox:38.5.1:*:*:*:*:*:*:*",
"cpe:2.3:a:mozilla:firefox:38.5.2:*:*:*:*:*:*:*",
"cpe:2.3:a:mozilla:firefox:38.6.0:*:*:*:*:*:*:*"
],
"vendor_product": "mozilla:firefox",
"extracted_events": [
{
"range": [
{
"introduced": "38.0"
},
{
"last_affected": "38.0"
},
{
"introduced": "38.0.1"
},
{
"last_affected": "38.0.1"
},
{
"introduced": "38.0.5"
},
{
"last_affected": "38.0.5"
},
{
"introduced": "38.1.0"
},
{
"last_affected": "38.1.0"
},
{
"introduced": "38.1.1"
},
{
"last_affected": "38.1.1"
},
{
"introduced": "38.2.0"
},
{
"last_affected": "38.2.0"
},
{
"introduced": "38.2.1"
},
{
"last_affected": "38.2.1"
},
{
"introduced": "38.3.0"
},
{
"last_affected": "38.3.0"
},
{
"introduced": "38.4.0"
},
{
"last_affected": "38.4.0"
},
{
"introduced": "38.5.0"
},
{
"last_affected": "38.5.0"
},
{
"introduced": "38.5.1"
},
{
"last_affected": "38.5.1"
},
{
"introduced": "38.5.2"
},
{
"last_affected": "38.5.2"
},
{
"introduced": "38.6.0"
},
{
"last_affected": "38.6.0"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2016-1526",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 430838,
"published_at": "2016-02-13T02:59:12.027+00:00"
}