Medium
Security advisory
A flaw was found in jasper before 2.0.25. A null pointer dereference in jp2_decode in jp2_dec.c may lead to program crash and denial of service.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2021-26927
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 12:42 UTC · Revision 1
Source evidence
A flaw was found in jasper before 2.0.25. A null pointer dereference in jp2_decode in jp2_dec.c may lead to program crash and denial of service.
osv:CVE-2021-26927
Complete source record
{
"id": "64c4c44d5cd62b087a5a3dda843989414562e99fc611c2c0e169e32f8c95dbd8",
"url": "https://osv.dev/vulnerability/CVE-2021-26927",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2021-26927",
"summary": "A flaw was found in jasper before 2.0.25. A null pointer dereference in jp2_decode in jp2_dec.c may lead to program crash and denial of service.",
"evidence": "osv:CVE-2021-26927",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2021-26927",
"aliases": [
"CVE-2021-26927"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/jasper-software/jasper",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "9092dcb7f7680204ef523c73eb6132162b4358e3"
},
{
"fixed": "41f214b121b837fa30d9ca5f2430212110f5cd9b"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:jasper_project:jasper:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "2.0.25"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
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"source": "REFERENCES_COMMIT"
}
]
}
}
],
"versions": [
"version-2.0.24",
"version-2.0.23",
"version-2.0.22-rc1",
"version-2.0.22",
"version-2.0.21-rc1",
"version-2.0.21",
"version-2.0.20",
"version-2.0.19",
"version-2.0.16",
"version-2.0.15",
"version-2.0.14",
"version-2.0.13",
"version-2.0.12",
"version-2.0.11",
"version-2.0.10",
"version-2.0.9",
"version-2.0.8",
"version-2.0.7",
"version-2.0.6",
"version-2.0.5",
"version-2.0.4",
"version-2.0.3",
"version-2.0.2",
"version-2.0.1",
"version-2.0.0",
"version-2.0.0-beta.2",
"version-2.0.0-beta.1",
"version-1.900.31",
"version-1.900.30",
"version-1.900.29",
"version-1.900.28",
"version-1.900.27",
"version-1.900.26",
"version-1.900.25",
"version-1.900.24",
"version-1.900.23",
"version-1.900.22",
"version-1.900.21",
"version-1.900.20",
"version-1.900.19",
"mdadams-clang-issue",
"version-1.900.18",
"version-1.900.17",
"version-1.900.16",
"version-1.900.15",
"version-1.900.14",
"version-1.900.13",
"version-1.900.12",
"version-1.900.11",
"version-1.900.10",
"version-1.900.9",
"version-1.900.8",
"version-1.900.7",
"version-1.900.6",
"version-1.900.5",
"version-1.900.4",
"version-1.900.3",
"version-1.900.2",
"version-1.900.1"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-26927.json",
"vanir_signatures": [
{
"id": "CVE-2021-26927-95631d3e",
"digest": {
"length": 7810,
"function_hash": "104658908491814254447893030759417972976"
},
"source": "https://github.com/jasper-software/jasper/commit/41f214b121b837fa30d9ca5f2430212110f5cd9b",
"target": {
"file": "src/libjasper/jp2/jp2_dec.c",
"function": "jp2_decode"
},
"deprecated": false,
"signature_type": "Function",
"signature_version": "v1"
},
{
"id": "CVE-2021-26927-d159c612",
"digest": {
"threshold": 0.9,
"line_hashes": [
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},
"source": "https://github.com/jasper-software/jasper/commit/41f214b121b837fa30d9ca5f2430212110f5cd9b",
"target": {
"file": "src/libjasper/jp2/jp2_dec.c"
},
"deprecated": false,
"signature_type": "Line",
"signature_version": "v1"
}
],
"vanir_signatures_modified": "2026-10-20T14:17:31Z"
}
}
],
"modified": "2026-10-20T14:17:31.370422252Z",
"provider": "osv",
"references": [
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JSXESYUHMO522Z3RHXOQ2SJNWP3XTO67/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JYVCFVTVPL66OS7LCNLUSYCMYQAVWXMM/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YRZFZSJ4UVLLMXSKHR455TAC2SD3TOHI/",
"https://github.com/jasper-software/jasper/commit/41f214b121b837fa30d9ca5f2430212110f5cd9b",
"https://github.com/jasper-software/jasper/issues/265"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*",
"cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*",
"cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*"
],
"vendor_product": "fedoraproject:fedora",
"extracted_events": [
{
"range": [
{
"introduced": "32"
},
{
"last_affected": "32"
},
{
"introduced": "33"
},
{
"last_affected": "33"
},
{
"introduced": "34"
},
{
"last_affected": "34"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2021-26927",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 388787,
"published_at": "2021-02-23T20:15:12.04+00:00"
}