High
Security advisory
SDL (Simple DirectMedia Layer) through 1.2.15 and 2.x through 2.0.9 has a heap-based buffer over-read in Blit1to4 in video/SDL_blit_1.c.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2019-7635
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 05:30 UTC · Revision 1
Source evidence
SDL (Simple DirectMedia Layer) through 1.2.15 and 2.x through 2.0.9 has a heap-based buffer over-read in Blit1to4 in video/SDL_blit_1.c.
osv:CVE-2019-7635
Complete source record
{
"id": "a4b738918652698df3a803660e7b728f648822216d5f50a29f76f60d662166d3",
"url": "https://osv.dev/vulnerability/CVE-2019-7635",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2019-7635",
"summary": "SDL (Simple DirectMedia Layer) through 1.2.15 and 2.x through 2.0.9 has a heap-based buffer over-read in Blit1to4 in video/SDL_blit_1.c.",
"evidence": "osv:CVE-2019-7635",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2019-7635",
"aliases": [
"CVE-2019-7635"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/libsdl-org/sdl",
"type": "GIT",
"events": [
{
"introduced": "1ad936eb29cf4506a7a103e8288d732f23e9c2b0"
},
{
"last_affected": "c49ecf6f7c10b668ebd87b89dfc3c7bfd215cb75"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:libsdl:simple_directmedia_layer:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.0.0"
},
{
"last_affected": "2.0.9"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-7635.json"
}
}
],
"modified": "2026-10-24T10:30:29.758182240Z",
"provider": "osv",
"references": [
"https://lists.debian.org/debian-lts-announce/2023/02/msg00008.html",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7ZO47LLKKRXKMUGSRCFNHSTHG5OEBYCG/",
"https://discourse.libsdl.org/t/vulnerabilities-found-in-libsdl-1-2-15/25720",
"https://lists.debian.org/debian-lts-announce/2019/03/msg00015.html",
"https://lists.debian.org/debian-lts-announce/2019/03/msg00016.html",
"https://lists.debian.org/debian-lts-announce/2019/07/msg00021.html",
"https://lists.debian.org/debian-lts-announce/2019/07/msg00026.html",
"https://lists.debian.org/debian-lts-announce/2019/10/msg00020.html",
"https://lists.debian.org/debian-lts-announce/2019/10/msg00021.html",
"https://lists.debian.org/debian-lts-announce/2021/01/msg00024.html",
"https://lists.debian.org/debian-lts-announce/2021/10/msg00032.html",
"https://security.gentoo.org/glsa/201909-07",
"https://security.gentoo.org/glsa/202305-17",
"https://usn.ubuntu.com/4143-1/",
"https://usn.ubuntu.com/4156-1/",
"https://usn.ubuntu.com/4156-2/",
"https://usn.ubuntu.com/4238-1/",
"https://bugzilla.libsdl.org/show_bug.cgi?id=4498"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:a:libsdl:simple_directmedia_layer:*:*:*:*:*:*:*:*"
],
"vendor_product": "libsdl:simple_directmedia_layer",
"extracted_events": [
{
"range": [
{
"last_affected": "1.2.15"
}
],
"source": "CPE_RANGE"
}
]
},
{
"cpes": [
"cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*"
],
"vendor_product": "canonical:ubuntu_linux",
"extracted_events": [
{
"range": [
{
"introduced": "12.04"
},
{
"last_affected": "12.04"
},
{
"introduced": "14.04"
},
{
"last_affected": "14.04"
},
{
"introduced": "16.04"
},
{
"last_affected": "16.04"
},
{
"introduced": "18.04"
},
{
"last_affected": "18.04"
},
{
"introduced": "19.04"
},
{
"last_affected": "19.04"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
],
"vendor_product": "debian:debian_linux",
"extracted_events": [
{
"range": [
{
"introduced": "8.0"
},
{
"last_affected": "8.0"
},
{
"introduced": "9.0"
},
{
"last_affected": "9.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*"
],
"vendor_product": "fedoraproject:fedora",
"extracted_events": [
{
"range": [
{
"introduced": "31"
},
{
"last_affected": "31"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:opensuse:backports_sle:15.0:-:*:*:*:*:*:*",
"cpe:2.3:a:opensuse:backports_sle:15.0:sp1:*:*:*:*:*:*"
],
"vendor_product": "opensuse:backports_sle",
"extracted_events": [
{
"range": [
{
"introduced": "15.0-NA"
},
{
"last_affected": "15.0-NA"
},
{
"introduced": "15.0-sp1"
},
{
"last_affected": "15.0-sp1"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*",
"cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*",
"cpe:2.3:o:opensuse:leap:42.3:*:*:*:*:*:*:*"
],
"vendor_product": "opensuse:leap",
"extracted_events": [
{
"range": [
{
"introduced": "15.0"
},
{
"last_affected": "15.0"
},
{
"introduced": "15.1"
},
{
"last_affected": "15.1"
},
{
"introduced": "42.3"
},
{
"last_affected": "42.3"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2019-7635",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 432393,
"published_at": "2019-02-08T11:29:00.233+00:00"
}