MediumFix available
libjpeg — security advisory
libjpeg 1.63 has a heap-based buffer over-read in HierarchicalBitmapRequester::FetchRegion in hierarchicalbitmaprequester.cpp because the MCU size can be different between allocation and use.
- Products
- libjpeg
- Affected versions
- Not specified
- Fixed versions
- 0.0~git20220615.842c7ba-1
- CVEs
- CVE-2022-31796
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 30 Oct 2026, 14:41 UTC · Revision 1
Source evidence
libjpeg 1.63 has a heap-based buffer over-read in HierarchicalBitmapRequester::FetchRegion in hierarchicalbitmaprequester.cpp because the MCU size can be different between allocation and use.
osv:DEBIAN-CVE-2022-31796
libjpeg
Fixed versions: 0.0~git20220615.842c7ba-1
libjpeg
Fixed versions: 0.0~git20220615.842c7ba-1
libjpeg
Fixed versions: 0.0~git20220615.842c7ba-1
Complete source record
{
"id": "15798e67a7d9e19b66f23d5035609e6d5d983d9391976d1ea3be4352258464a0",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2022-31796",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2022-31796",
"summary": "libjpeg 1.63 has a heap-based buffer over-read in HierarchicalBitmapRequester::FetchRegion in hierarchicalbitmaprequester.cpp because the MCU size can be different between allocation and use.",
"evidence": "osv:DEBIAN-CVE-2022-31796",
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"evidence": "/affected/0/ranges"
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"severity": "medium",
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"aliases": [
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"metrics": [
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"affected": [
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"ecosystem": "Debian:13"
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"package": {
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"ecosystem_specific": {
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}
],
"modified": "2026-10-15T08:01:30.892432014Z",
"provider": "osv",
"upstream": [
"CVE-2022-31796"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2022-31796"
]
},
"related_cves": [
{
"value": "CVE-2022-31796",
"evidence": "/upstream"
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],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 323008,
"published_at": "2022-06-02T14:15:58.153+00:00"
}