Fix CVE(s): CVE-2026-46559, CVE-2026-46692, CVE-2026-46693, CVE-2026-47166
* SECURITY UPDATE: heap over-write, file-descriptor hijack race, and heap over-read in the distributed pixel cache server - debian/patches/CVE-2026-46692-46693-47166.patch: bound the requested region against the pixel cache extent before reading or writing pixels and indexes, and hand each connection a private heap-allocated socket to a detached handler thread in magick/distribute-cache.c - CVE-2026-46692 - CVE-2026-46693 - CVE-2026-47166 * SECURITY UPDATE: heap buffer over-write of a single byte in the JP2 encoder via crafted jp2:quality / jp2:rate options - debian/patches/CVE-2026-46559.patch: bound the jp2:quality and jp2:rate parse loops by the tcp_distoratio/tcp_rates array extent in WriteJP2Image() in coders/jp2.c (defense-in-depth; the JP2 coder is not compiled in this build) - CVE-2026-46559
- Products
- imagemagick, imagemagick-6.q16, imagemagick-common, imagemagick-doc, libimage-magick-perl, libimage-magick-q16-perl, libmagick++-6-headers, libmagick++-6.q16-5v5, libmagick++-6.q16-dev, libmagick++-dev, libmagickcore-6-arch-config, libmagickcore-6-headers, libmagickcore-6.q16-2, libmagickcore-6.q16-2-extra, libmagickcore-6.q16-dev, libmagickcore-dev, libmagickwand-6-headers, libmagickwand-6.q16-2, libmagickwand-6.q16-dev, libmagickwand-dev, perlmagick
- Affected versions
- Not specified
- Fixed versions
- 8:6.8.9.9-7ubuntu5.17+tuxcare.els49
- CVEs
- CVE-2026-46559, CVE-2026-46692, CVE-2026-46693, CVE-2026-47166
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 11:08 UTC · Revision 1
Source evidence
Fix CVE(s): CVE-2026-46559, CVE-2026-46692, CVE-2026-46693, CVE-2026-47166
core-osv · Original sourcePublished 29 Jun 2026, 08:06 UTC
* SECURITY UPDATE: heap over-write, file-descriptor hijack race, and heap over-read in the distributed pixel cache server - debian/patches/CVE-2026-46692-46693-47166.patch: bound the requested region against the pixel cache extent before reading or writing pixels and indexes, and hand each connection a private heap-allocated socket to a detached handler thread in magick/distribute-cache.c - CVE-2026-46692 - CVE-2026-46693 - CVE-2026-47166 * SECURITY UPDATE: heap buffer over-write of a single byte in the JP2 encoder via crafted jp2:quality / jp2:rate options - debian/patches/CVE-2026-46559.patch: bound the jp2:quality and jp2:rate parse loops by the tcp_distoratio/tcp_rates array extent in WriteJP2Image() in coders/jp2.c (defense-in-depth; the JP2 coder is not compiled in this build) - CVE-2026-46559
osv:CLSA-2026-1782720378
imagemagick
Fixed versions: 8:6.8.9.9-7ubuntu5.17+tuxcare.els49
imagemagick-6.q16
Fixed versions: 8:6.8.9.9-7ubuntu5.17+tuxcare.els49
imagemagick-common
Fixed versions: 8:6.8.9.9-7ubuntu5.17+tuxcare.els49
imagemagick-doc
Fixed versions: 8:6.8.9.9-7ubuntu5.17+tuxcare.els49
libimage-magick-perl
Fixed versions: 8:6.8.9.9-7ubuntu5.17+tuxcare.els49
libimage-magick-q16-perl
Fixed versions: 8:6.8.9.9-7ubuntu5.17+tuxcare.els49
libmagick++-6-headers
Fixed versions: 8:6.8.9.9-7ubuntu5.17+tuxcare.els49
libmagick++-6.q16-5v5
Fixed versions: 8:6.8.9.9-7ubuntu5.17+tuxcare.els49
libmagick++-6.q16-dev
Fixed versions: 8:6.8.9.9-7ubuntu5.17+tuxcare.els49
libmagick++-dev
Fixed versions: 8:6.8.9.9-7ubuntu5.17+tuxcare.els49
libmagickcore-6-arch-config
Fixed versions: 8:6.8.9.9-7ubuntu5.17+tuxcare.els49
libmagickcore-6-headers
Fixed versions: 8:6.8.9.9-7ubuntu5.17+tuxcare.els49
libmagickcore-6.q16-2
Fixed versions: 8:6.8.9.9-7ubuntu5.17+tuxcare.els49
libmagickcore-6.q16-2-extra
Fixed versions: 8:6.8.9.9-7ubuntu5.17+tuxcare.els49
libmagickcore-6.q16-dev
Fixed versions: 8:6.8.9.9-7ubuntu5.17+tuxcare.els49
libmagickcore-dev
Fixed versions: 8:6.8.9.9-7ubuntu5.17+tuxcare.els49
libmagickwand-6-headers
Fixed versions: 8:6.8.9.9-7ubuntu5.17+tuxcare.els49
libmagickwand-6.q16-2
Fixed versions: 8:6.8.9.9-7ubuntu5.17+tuxcare.els49
libmagickwand-6.q16-dev
Fixed versions: 8:6.8.9.9-7ubuntu5.17+tuxcare.els49
libmagickwand-dev
Fixed versions: 8:6.8.9.9-7ubuntu5.17+tuxcare.els49
perlmagick
Fixed versions: 8:6.8.9.9-7ubuntu5.17+tuxcare.els49
Complete source record
{
"id": "56f7caee8dfba6dd4b5016fc54c15892ea96dc5596c375ea7c056bbacb916e1b",
"url": "https://osv.dev/vulnerability/CLSA-2026-1782720378",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Fix CVE(s): CVE-2026-46559, CVE-2026-46692, CVE-2026-46693, CVE-2026-47166",
"summary": "* SECURITY UPDATE: heap over-write, file-descriptor hijack race, and heap over-read in the distributed pixel cache server - debian/patches/CVE-2026-46692-46693-47166.patch: bound the requested region against the pixel cache extent before reading or writing pixels and indexes, and hand each connection a private heap-allocated socket to a detached handler thread in magick/distribute-cache.c - CVE-2026-46692 - CVE-2026-46693 - CVE-2026-47166 * SECURITY UPDATE: heap buffer over-write of a single byte in the JP2 encoder via crafted jp2:quality / jp2:rate options - debian/patches/CVE-2026-46559.patch: bound the jp2:quality and jp2:rate parse loops by the tcp_distoratio/tcp_rates array extent in WriteJP2Image() in coders/jp2.c (defense-in-depth; the JP2 coder is not compiled in this build) - CVE-2026-46559",
"evidence": "osv:CLSA-2026-1782720378",
"products": [
{
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{
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{
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{
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{
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{
"name": {
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"prerequisites": [],
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{
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"evidence": "/affected/5/ranges"
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],
"affected_versions": []
},
{
"name": {
"value": "libmagick++-6-headers",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
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"evidence": "/affected/6/ranges"
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"affected_versions": []
},
{
"name": {
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"evidence": "/affected/7/package/name"
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"prerequisites": [],
"fixed_versions": [
{
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"evidence": "/affected/7/ranges"
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],
"affected_versions": []
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{
"name": {
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"evidence": "/affected/8/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8:6.8.9.9-7ubuntu5.17+tuxcare.els49",
"evidence": "/affected/8/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libmagick++-dev",
"evidence": "/affected/9/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8:6.8.9.9-7ubuntu5.17+tuxcare.els49",
"evidence": "/affected/9/ranges"
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],
"affected_versions": []
},
{
"name": {
"value": "libmagickcore-6-arch-config",
"evidence": "/affected/10/package/name"
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"prerequisites": [],
"fixed_versions": [
{
"value": "8:6.8.9.9-7ubuntu5.17+tuxcare.els49",
"evidence": "/affected/10/ranges"
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],
"affected_versions": []
},
{
"name": {
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"evidence": "/affected/11/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8:6.8.9.9-7ubuntu5.17+tuxcare.els49",
"evidence": "/affected/11/ranges"
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],
"affected_versions": []
},
{
"name": {
"value": "libmagickcore-6.q16-2",
"evidence": "/affected/12/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8:6.8.9.9-7ubuntu5.17+tuxcare.els49",
"evidence": "/affected/12/ranges"
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],
"affected_versions": []
},
{
"name": {
"value": "libmagickcore-6.q16-2-extra",
"evidence": "/affected/13/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8:6.8.9.9-7ubuntu5.17+tuxcare.els49",
"evidence": "/affected/13/ranges"
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],
"affected_versions": []
},
{
"name": {
"value": "libmagickcore-6.q16-dev",
"evidence": "/affected/14/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8:6.8.9.9-7ubuntu5.17+tuxcare.els49",
"evidence": "/affected/14/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libmagickcore-dev",
"evidence": "/affected/15/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8:6.8.9.9-7ubuntu5.17+tuxcare.els49",
"evidence": "/affected/15/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libmagickwand-6-headers",
"evidence": "/affected/16/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8:6.8.9.9-7ubuntu5.17+tuxcare.els49",
"evidence": "/affected/16/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libmagickwand-6.q16-2",
"evidence": "/affected/17/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8:6.8.9.9-7ubuntu5.17+tuxcare.els49",
"evidence": "/affected/17/ranges"
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],
"affected_versions": []
},
{
"name": {
"value": "libmagickwand-6.q16-dev",
"evidence": "/affected/18/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8:6.8.9.9-7ubuntu5.17+tuxcare.els49",
"evidence": "/affected/18/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libmagickwand-dev",
"evidence": "/affected/19/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8:6.8.9.9-7ubuntu5.17+tuxcare.els49",
"evidence": "/affected/19/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "perlmagick",
"evidence": "/affected/20/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8:6.8.9.9-7ubuntu5.17+tuxcare.els49",
"evidence": "/affected/20/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2026-1782720378",
"aliases": [
"CLSA-2026-1782720378"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
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"fixed": "8:6.8.9.9-7ubuntu5.17+tuxcare.els49"
}
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],
"package": {
"name": "imagemagick",
"purl": "pkg:deb/tuxcare/imagemagick?distro=ubuntu-16.04",
"ecosystem": "TuxCare:Ubuntu:16.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1782720378.json"
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},
{
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"package": {
"name": "imagemagick-6.q16",
"purl": "pkg:deb/tuxcare/imagemagick-6.q16?distro=ubuntu-16.04",
"ecosystem": "TuxCare:Ubuntu:16.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1782720378.json"
}
},
{
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"name": "imagemagick-common",
"purl": "pkg:deb/tuxcare/imagemagick-common?distro=ubuntu-16.04",
"ecosystem": "TuxCare:Ubuntu:16.04"
},
"database_specific": {
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}
},
{
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],
"package": {
"name": "imagemagick-doc",
"purl": "pkg:deb/tuxcare/imagemagick-doc?distro=ubuntu-16.04",
"ecosystem": "TuxCare:Ubuntu:16.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1782720378.json"
}
},
{
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],
"package": {
"name": "libimage-magick-perl",
"purl": "pkg:deb/tuxcare/libimage-magick-perl?distro=ubuntu-16.04",
"ecosystem": "TuxCare:Ubuntu:16.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1782720378.json"
}
},
{
"ranges": [
{
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{
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],
"package": {
"name": "libimage-magick-q16-perl",
"purl": "pkg:deb/tuxcare/libimage-magick-q16-perl?distro=ubuntu-16.04",
"ecosystem": "TuxCare:Ubuntu:16.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1782720378.json"
}
},
{
"ranges": [
{
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}
]
}
],
"package": {
"name": "libmagick++-6-headers",
"purl": "pkg:deb/tuxcare/libmagick++-6-headers?distro=ubuntu-16.04",
"ecosystem": "TuxCare:Ubuntu:16.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1782720378.json"
}
},
{
"ranges": [
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}
]
}
],
"package": {
"name": "libmagick++-6.q16-5v5",
"purl": "pkg:deb/tuxcare/libmagick++-6.q16-5v5?distro=ubuntu-16.04",
"ecosystem": "TuxCare:Ubuntu:16.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1782720378.json"
}
},
{
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}
]
}
],
"package": {
"name": "libmagick++-6.q16-dev",
"purl": "pkg:deb/tuxcare/libmagick++-6.q16-dev?distro=ubuntu-16.04",
"ecosystem": "TuxCare:Ubuntu:16.04"
},
"database_specific": {
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}
},
{
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}
]
}
],
"package": {
"name": "libmagick++-dev",
"purl": "pkg:deb/tuxcare/libmagick++-dev?distro=ubuntu-16.04",
"ecosystem": "TuxCare:Ubuntu:16.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1782720378.json"
}
},
{
"ranges": [
{
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{
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},
{
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}
]
}
],
"package": {
"name": "libmagickcore-6-arch-config",
"purl": "pkg:deb/tuxcare/libmagickcore-6-arch-config?distro=ubuntu-16.04",
"ecosystem": "TuxCare:Ubuntu:16.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1782720378.json"
}
},
{
"ranges": [
{
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"events": [
{
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},
{
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}
]
}
],
"package": {
"name": "libmagickcore-6-headers",
"purl": "pkg:deb/tuxcare/libmagickcore-6-headers?distro=ubuntu-16.04",
"ecosystem": "TuxCare:Ubuntu:16.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1782720378.json"
}
},
{
"ranges": [
{
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"events": [
{
"introduced": "0"
},
{
"fixed": "8:6.8.9.9-7ubuntu5.17+tuxcare.els49"
}
]
}
],
"package": {
"name": "libmagickcore-6.q16-2",
"purl": "pkg:deb/tuxcare/libmagickcore-6.q16-2?distro=ubuntu-16.04",
"ecosystem": "TuxCare:Ubuntu:16.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1782720378.json"
}
},
{
"ranges": [
{
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"events": [
{
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},
{
"fixed": "8:6.8.9.9-7ubuntu5.17+tuxcare.els49"
}
]
}
],
"package": {
"name": "libmagickcore-6.q16-2-extra",
"purl": "pkg:deb/tuxcare/libmagickcore-6.q16-2-extra?distro=ubuntu-16.04",
"ecosystem": "TuxCare:Ubuntu:16.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1782720378.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "8:6.8.9.9-7ubuntu5.17+tuxcare.els49"
}
]
}
],
"package": {
"name": "libmagickcore-6.q16-dev",
"purl": "pkg:deb/tuxcare/libmagickcore-6.q16-dev?distro=ubuntu-16.04",
"ecosystem": "TuxCare:Ubuntu:16.04"
},
"database_specific": {
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}
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{
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{
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}
]
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],
"package": {
"name": "libmagickcore-dev",
"purl": "pkg:deb/tuxcare/libmagickcore-dev?distro=ubuntu-16.04",
"ecosystem": "TuxCare:Ubuntu:16.04"
},
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},
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],
"package": {
"name": "libmagickwand-6.q16-2",
"purl": "pkg:deb/tuxcare/libmagickwand-6.q16-2?distro=ubuntu-16.04",
"ecosystem": "TuxCare:Ubuntu:16.04"
},
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],
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"purl": "pkg:deb/tuxcare/libmagickwand-6.q16-dev?distro=ubuntu-16.04",
"ecosystem": "TuxCare:Ubuntu:16.04"
},
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],
"package": {
"name": "libmagickwand-dev",
"purl": "pkg:deb/tuxcare/libmagickwand-dev?distro=ubuntu-16.04",
"ecosystem": "TuxCare:Ubuntu:16.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1782720378.json"
}
},
{
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{
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},
{
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}
]
}
],
"package": {
"name": "perlmagick",
"purl": "pkg:deb/tuxcare/perlmagick?distro=ubuntu-16.04",
"ecosystem": "TuxCare:Ubuntu:16.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1782720378.json"
}
}
],
"modified": "2026-10-26T09:31:46.800503618Z",
"provider": "osv",
"upstream": [
"CVE-2026-46559",
"CVE-2026-46692",
"CVE-2026-46693",
"CVE-2026-47166"
],
"references": [
"https://errata.tuxcare.com/els_os/ubuntu16.04els/CLSA-2026-1782720378.html",
"https://nvd.nist.gov/vuln/detail/CVE-2026-46559",
"https://nvd.nist.gov/vuln/detail/CVE-2026-46692",
"https://nvd.nist.gov/vuln/detail/CVE-2026-46693",
"https://nvd.nist.gov/vuln/detail/CVE-2026-47166"
]
},
"related_cves": [
{
"value": "CVE-2026-46559",
"evidence": "/upstream"
},
{
"value": "CVE-2026-46692",
"evidence": "/upstream"
},
{
"value": "CVE-2026-46693",
"evidence": "/upstream"
},
{
"value": "CVE-2026-47166",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 448447,
"published_at": "2026-06-29T08:06:37+00:00"
}