Medium
hdf5, r-bioc-rhdf5lib — security advisory
A heap-based buffer over-read in H5Z__filter_scaleoffset() in src/H5Zscaleoffset.c in HDF5 through 2.2.0 lets an attacker cause a denial of service (application crash) with a crafted HDF5 file. When the stored minimum bits equal the full precision of the datatype, the decoder copies d_nelmts * size bytes from the compressed chunk without checking that the chunk holds that many bytes. Both values come from attacker-controlled scale-offset filter parameters in the dataset's filter pipeline message.
- Products
- hdf5, r-bioc-rhdf5lib
- Affected versions
- 1.10.0-patch1+docs-4, 1.10.0-patch1+docs-4ubuntu0.1~esm1, 1.10.0-patch1+docs-4ubuntu0.1~esm2, 1.10.10+repack-3.1ubuntu3, 1.10.10+repack-3.1ubuntu4, 1.10.10+repack-3ubuntu1, 1.10.4+repack-10, 1.10.4+repack-11, 1.10.4+repack-11ubuntu1, 1.10.4+repack-11ubuntu1+esm1, 1.10.6+repack-5, 1.10.7+repack-4ubuntu1, 1.10.7+repack-4ubuntu2, 1.10.8+repack1-1ubuntu1, 1.12.1+dfsg-3, 1.14.2+dfsg-2, 1.14.5+repack-3build1, 1.14.5+repack-4, 1.14.6+repack-2, 1.16.0+dfsg-1, 1.22.0+dfsg-1, 1.22.1+dfsg-1, 1.24.0+dfsg-1, 1.24.1+dfsg-1, 1.24.2+dfsg-1, 1.24.2+dfsg-1build1, 1.24.2+dfsg-1build2, 1.28.0+dfsg-2build1, 1.28.0+dfsg-3, 1.28.0+dfsg-4, 1.6.0+dfsg-1, 1.6.3+dfsg-1, 1.8.0+dfsg-1, 1.8.11-3ubuntu1, 1.8.11-5ubuntu1, 1.8.11-5ubuntu2, 1.8.11-5ubuntu6, 1.8.11-5ubuntu7, 1.8.11-5ubuntu7.1, 1.8.11-5ubuntu7.1+esm1, 1.8.11-5ubuntu7.1+esm2, 1.8.15-patch1+docs-4, 1.8.15-patch1+docs-5, 1.8.16+docs-1, 1.8.16+docs-2, 1.8.16+docs-3, 1.8.16+docs-3ubuntu1, 1.8.16+docs-4, 1.8.16+docs-4ubuntu1, 1.8.16+docs-4ubuntu1.1, 1.8.16+docs-4ubuntu1.1+esm1, 1.8.16+docs-4ubuntu1.1+esm2, 2.0.0+dfsg-1, 2.0.0+dfsg2-1, 2.2.0+repack-4, 2.2.0+repack-5
- Fixed versions
- Not specified
- CVEs
- CVE-2026-19029
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 02:55 UTC · Revision 1
Source evidence
A heap-based buffer over-read in H5Z__filter_scaleoffset() in src/H5Zscaleoffset.c in HDF5 through 2.2.0 lets an attacker cause a denial of service (application crash) with a crafted HDF5 file. When the stored minimum bits equal the full precision of the datatype, the decoder copies d_nelmts * size bytes from the compressed chunk without checking that the chunk holds that many bytes. Both values come from attacker-controlled scale-offset filter parameters in the dataset's filter pipeline message.
osv:UBUNTU-CVE-2026-19029
hdf5
Fixed versions: Not specified
hdf5
Fixed versions: Not specified
hdf5
Fixed versions: Not specified
hdf5
Fixed versions: Not specified
r-bioc-rhdf5lib
Fixed versions: Not specified
hdf5
Fixed versions: Not specified
r-bioc-rhdf5lib
Fixed versions: Not specified
hdf5
Fixed versions: Not specified
r-bioc-rhdf5lib
Fixed versions: Not specified
hdf5
Fixed versions: Not specified
r-bioc-rhdf5lib
Fixed versions: Not specified
hdf5
Fixed versions: Not specified
r-bioc-rhdf5lib
Fixed versions: Not specified
Complete source record
{
"id": "a9c3ba7ecf62f60af54154cfa1f2c2ed313c16097baa8eea2fe4004df6799b6c",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2026-19029",
"method": "structured",
"payload": {
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"modified": "2026-10-17T12:59:54.002600527Z",
"provider": "osv",
"upstream": [
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],
"references": [
"https://ubuntu.com/security/CVE-2026-19029",
"https://www.cve.org/CVERecord?id=CVE-2026-19029",
"https://github.com/HDFGroup/hdf5/pull/6718"
]
},
"related_cves": [
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"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 359899,
"published_at": "2026-10-06T21:17:00+00:00"
}