hplip: Fix of 7 CVEs
- CVE-2026-91097: bound LEDM HTTP response copies in http_read() of the SANE hpaio backend (stack buffer overflow) (backport of HPLIP 3.26.6 and RHEL c9s) - CVE-2026-91098: bound device-supplied data in the LEDM scan backend (resolution lists, job Location header, BinaryURL and chunk size parsing) (heap/stack buffer overflow) (backport of HPLIP 3.26.6 and RHEL c9s) - CVE-2026-91101: validate device-supplied channel ids in libhpmud MLC/DOT4 (out-of-bounds read/write) (backport of HPLIP 3.26.6) - CVE-2026-91103: reject MFPDTF blocks shorter than their header in the SANE hpaio backend (integer underflow) (backport of HPLIP 3.26.6) - CVE-2026-91104: size the hpcups raster line buffer from each page header (heap buffer overflow) (backport of HPLIP 3.26.6) - CVE-2026-91105: fix buffer overflows in the hpps PostScript filter (backport of HPLIP 3.26.6) - CVE-2026-91106: fix integer overflow in the hpcups/hpijs halftoner output width (heap buffer overflow) (backport of HPLIP 3.26.6 and RHEL c9s)
- Products
- hplip, hplip-common, hplip-libs, libsane-hpaio
- Affected versions
- Not specified
- Fixed versions
- 3.21.2-6.el9.alma.tuxcare.els3
- CVEs
- CVE-2026-91097, CVE-2026-91098, CVE-2026-91101, CVE-2026-91103, CVE-2026-91104, CVE-2026-91105, CVE-2026-91106
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 10:47 UTC · Revision 1
Source evidence
- CVE-2026-91097: bound LEDM HTTP response copies in http_read() of the SANE hpaio backend (stack buffer overflow) (backport of HPLIP 3.26.6 and RHEL c9s) - CVE-2026-91098: bound device-supplied data in the LEDM scan backend (resolution lists, job Location header, BinaryURL and chunk size parsing) (heap/stack buffer overflow) (backport of HPLIP 3.26.6 and RHEL c9s) - CVE-2026-91101: validate device-supplied channel ids in libhpmud MLC/DOT4 (out-of-bounds read/write) (backport of HPLIP 3.26.6) - CVE-2026-91103: reject MFPDTF blocks shorter than their header in the SANE hpaio backend (integer underflow) (backport of HPLIP 3.26.6) - CVE-2026-91104: size the hpcups raster line buffer from each page header (heap buffer overflow) (backport of HPLIP 3.26.6) - CVE-2026-91105: fix buffer overflows in the hpps PostScript filter (backport of HPLIP 3.26.6) - CVE-2026-91106: fix integer overflow in the hpcups/hpijs halftoner output width (heap buffer overflow) (backport of HPLIP 3.26.6 and RHEL c9s)
osv:CLSA-2026-1792490933
hplip
Fixed versions: 3.21.2-6.el9.alma.tuxcare.els3
hplip-common
Fixed versions: 3.21.2-6.el9.alma.tuxcare.els3
hplip-libs
Fixed versions: 3.21.2-6.el9.alma.tuxcare.els3
libsane-hpaio
Fixed versions: 3.21.2-6.el9.alma.tuxcare.els3
Complete source record
{
"id": "4c1793afa5dff9a5ba9829e1042deba3f6ef7f0ebd9ff76074318802def7c0d5",
"url": "https://osv.dev/vulnerability/CLSA-2026-1792490933",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "hplip: Fix of 7 CVEs",
"summary": "- CVE-2026-91097: bound LEDM HTTP response copies in http_read() of the SANE hpaio backend (stack buffer overflow) (backport of HPLIP 3.26.6 and RHEL c9s) - CVE-2026-91098: bound device-supplied data in the LEDM scan backend (resolution lists, job Location header, BinaryURL and chunk size parsing) (heap/stack buffer overflow) (backport of HPLIP 3.26.6 and RHEL c9s) - CVE-2026-91101: validate device-supplied channel ids in libhpmud MLC/DOT4 (out-of-bounds read/write) (backport of HPLIP 3.26.6) - CVE-2026-91103: reject MFPDTF blocks shorter than their header in the SANE hpaio backend (integer underflow) (backport of HPLIP 3.26.6) - CVE-2026-91104: size the hpcups raster line buffer from each page header (heap buffer overflow) (backport of HPLIP 3.26.6) - CVE-2026-91105: fix buffer overflows in the hpps PostScript filter (backport of HPLIP 3.26.6) - CVE-2026-91106: fix integer overflow in the hpcups/hpijs halftoner output width (heap buffer overflow) (backport of HPLIP 3.26.6 and RHEL c9s)",
"evidence": "osv:CLSA-2026-1792490933",
"products": [
{
"name": {
"value": "hplip",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "3.21.2-6.el9.alma.tuxcare.els3",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "hplip-common",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "3.21.2-6.el9.alma.tuxcare.els3",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "hplip-libs",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "3.21.2-6.el9.alma.tuxcare.els3",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libsane-hpaio",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "3.21.2-6.el9.alma.tuxcare.els3",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2026-1792490933",
"aliases": [
"CLSA-2026-1792490933"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.21.2-6.el9.alma.tuxcare.els3"
}
]
}
],
"package": {
"name": "hplip",
"purl": "pkg:rpm/tuxcare/hplip?distro=almalinux-9.2",
"ecosystem": "TuxCare:AlmaLinux:9.2"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1792490933.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.21.2-6.el9.alma.tuxcare.els3"
}
]
}
],
"package": {
"name": "hplip-common",
"purl": "pkg:rpm/tuxcare/hplip-common?distro=almalinux-9.2",
"ecosystem": "TuxCare:AlmaLinux:9.2"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1792490933.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.21.2-6.el9.alma.tuxcare.els3"
}
]
}
],
"package": {
"name": "hplip-libs",
"purl": "pkg:rpm/tuxcare/hplip-libs?distro=almalinux-9.2",
"ecosystem": "TuxCare:AlmaLinux:9.2"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1792490933.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.21.2-6.el9.alma.tuxcare.els3"
}
]
}
],
"package": {
"name": "libsane-hpaio",
"purl": "pkg:rpm/tuxcare/libsane-hpaio?distro=almalinux-9.2",
"ecosystem": "TuxCare:AlmaLinux:9.2"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1792490933.json"
}
}
],
"modified": "2026-10-26T09:31:00.419503094Z",
"provider": "osv",
"upstream": [
"CVE-2026-91097",
"CVE-2026-91098",
"CVE-2026-91101",
"CVE-2026-91103",
"CVE-2026-91104",
"CVE-2026-91105",
"CVE-2026-91106"
],
"references": [
"https://errata.tuxcare.com/els_os/almalinux9.2esu/CLSA-2026-1792490933.html",
"https://nvd.nist.gov/vuln/detail/CVE-2026-91097",
"https://nvd.nist.gov/vuln/detail/CVE-2026-91098",
"https://nvd.nist.gov/vuln/detail/CVE-2026-91101",
"https://nvd.nist.gov/vuln/detail/CVE-2026-91103",
"https://nvd.nist.gov/vuln/detail/CVE-2026-91104",
"https://nvd.nist.gov/vuln/detail/CVE-2026-91105",
"https://nvd.nist.gov/vuln/detail/CVE-2026-91106"
]
},
"related_cves": [
{
"value": "CVE-2026-91097",
"evidence": "/upstream"
},
{
"value": "CVE-2026-91098",
"evidence": "/upstream"
},
{
"value": "CVE-2026-91101",
"evidence": "/upstream"
},
{
"value": "CVE-2026-91103",
"evidence": "/upstream"
},
{
"value": "CVE-2026-91104",
"evidence": "/upstream"
},
{
"value": "CVE-2026-91105",
"evidence": "/upstream"
},
{
"value": "CVE-2026-91106",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 447380,
"published_at": "2026-10-20T17:03:44+00:00"
}