UnratedFix available
Fix CVE(s): CVE-2026-107778
Type: advisorySources: OSV
* SECURITY UPDATE: NULL pointer dereference in krb5_rd_cred() - debian/patches/CVE-2026-107778.patch: reject a KRB-CRED message whose encrypted ticket-info list is shorter than its tickets list in src/lib/krb5/krb/rd_cred.c make_cred_list(); backport of upstream commit 48afa9abb89ab2176bb20624d87d010b9984fc08 - CVE-2026-107778
- Products
- krb5-admin-server, krb5-doc, krb5-gss-samples, krb5-k5tls, krb5-kdc, krb5-kdc-ldap, krb5-kpropd, krb5-locales, krb5-multidev, krb5-otp, krb5-pkinit, krb5-user, libgssapi-krb5-2, libgssrpc4, libk5crypto3, libkadm5clnt-mit11, libkadm5srv-mit11, libkdb5-9, libkrad-dev, libkrad0, libkrb5-3, libkrb5-dev, libkrb5support0
- Affected versions
- Not specified
- Fixed versions
- 1.16-2ubuntu0.4+tuxcare.els6
- CVEs
- CVE-2026-107778
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 11:43 UTC · Revision 1
Source evidence
* SECURITY UPDATE: NULL pointer dereference in krb5_rd_cred() - debian/patches/CVE-2026-107778.patch: reject a KRB-CRED message whose encrypted ticket-info list is shorter than its tickets list in src/lib/krb5/krb/rd_cred.c make_cred_list(); backport of upstream commit 48afa9abb89ab2176bb20624d87d010b9984fc08 - CVE-2026-107778
osv:CLSA-2026-1792097614
krb5-admin-server
Fixed versions: 1.16-2ubuntu0.4+tuxcare.els6
krb5-doc
Fixed versions: 1.16-2ubuntu0.4+tuxcare.els6
krb5-gss-samples
Fixed versions: 1.16-2ubuntu0.4+tuxcare.els6
krb5-k5tls
Fixed versions: 1.16-2ubuntu0.4+tuxcare.els6
krb5-kdc
Fixed versions: 1.16-2ubuntu0.4+tuxcare.els6
krb5-kdc-ldap
Fixed versions: 1.16-2ubuntu0.4+tuxcare.els6
krb5-kpropd
Fixed versions: 1.16-2ubuntu0.4+tuxcare.els6
krb5-locales
Fixed versions: 1.16-2ubuntu0.4+tuxcare.els6
krb5-multidev
Fixed versions: 1.16-2ubuntu0.4+tuxcare.els6
krb5-otp
Fixed versions: 1.16-2ubuntu0.4+tuxcare.els6
krb5-pkinit
Fixed versions: 1.16-2ubuntu0.4+tuxcare.els6
krb5-user
Fixed versions: 1.16-2ubuntu0.4+tuxcare.els6
libgssapi-krb5-2
Fixed versions: 1.16-2ubuntu0.4+tuxcare.els6
libgssrpc4
Fixed versions: 1.16-2ubuntu0.4+tuxcare.els6
libk5crypto3
Fixed versions: 1.16-2ubuntu0.4+tuxcare.els6
libkadm5clnt-mit11
Fixed versions: 1.16-2ubuntu0.4+tuxcare.els6
libkadm5srv-mit11
Fixed versions: 1.16-2ubuntu0.4+tuxcare.els6
libkdb5-9
Fixed versions: 1.16-2ubuntu0.4+tuxcare.els6
libkrad-dev
Fixed versions: 1.16-2ubuntu0.4+tuxcare.els6
libkrad0
Fixed versions: 1.16-2ubuntu0.4+tuxcare.els6
libkrb5-3
Fixed versions: 1.16-2ubuntu0.4+tuxcare.els6
libkrb5-dev
Fixed versions: 1.16-2ubuntu0.4+tuxcare.els6
libkrb5support0
Fixed versions: 1.16-2ubuntu0.4+tuxcare.els6
Complete source record
{
"id": "d967faaefadbee2f8ef7c1ea6cc653a5bc6548e7605eadcfc770f9d6081d05f0",
"url": "https://osv.dev/vulnerability/CLSA-2026-1792097614",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Fix CVE(s): CVE-2026-107778",
"summary": "* SECURITY UPDATE: NULL pointer dereference in krb5_rd_cred() - debian/patches/CVE-2026-107778.patch: reject a KRB-CRED message whose encrypted ticket-info list is shorter than its tickets list in src/lib/krb5/krb/rd_cred.c make_cred_list(); backport of upstream commit 48afa9abb89ab2176bb20624d87d010b9984fc08 - CVE-2026-107778",
"evidence": "osv:CLSA-2026-1792097614",
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{
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"evidence": "/affected/0/package/name"
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{
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{
"name": {
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{
"name": {
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"evidence": "/affected/3/ranges"
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"affected_versions": []
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{
"name": {
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{
"name": {
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{
"name": {
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"evidence": "/affected/6/ranges"
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"affected_versions": []
},
{
"name": {
"value": "krb5-locales",
"evidence": "/affected/7/package/name"
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"affected_versions": []
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{
"name": {
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"evidence": "/affected/8/package/name"
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"evidence": "/affected/8/ranges"
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],
"affected_versions": []
},
{
"name": {
"value": "krb5-otp",
"evidence": "/affected/9/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.16-2ubuntu0.4+tuxcare.els6",
"evidence": "/affected/9/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "krb5-pkinit",
"evidence": "/affected/10/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.16-2ubuntu0.4+tuxcare.els6",
"evidence": "/affected/10/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "krb5-user",
"evidence": "/affected/11/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.16-2ubuntu0.4+tuxcare.els6",
"evidence": "/affected/11/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libgssapi-krb5-2",
"evidence": "/affected/12/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
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"evidence": "/affected/12/ranges"
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],
"affected_versions": []
},
{
"name": {
"value": "libgssrpc4",
"evidence": "/affected/13/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.16-2ubuntu0.4+tuxcare.els6",
"evidence": "/affected/13/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libk5crypto3",
"evidence": "/affected/14/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.16-2ubuntu0.4+tuxcare.els6",
"evidence": "/affected/14/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libkadm5clnt-mit11",
"evidence": "/affected/15/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
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"evidence": "/affected/15/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libkadm5srv-mit11",
"evidence": "/affected/16/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.16-2ubuntu0.4+tuxcare.els6",
"evidence": "/affected/16/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libkdb5-9",
"evidence": "/affected/17/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.16-2ubuntu0.4+tuxcare.els6",
"evidence": "/affected/17/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libkrad-dev",
"evidence": "/affected/18/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.16-2ubuntu0.4+tuxcare.els6",
"evidence": "/affected/18/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libkrad0",
"evidence": "/affected/19/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
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"evidence": "/affected/19/ranges"
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],
"affected_versions": []
},
{
"name": {
"value": "libkrb5-3",
"evidence": "/affected/20/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.16-2ubuntu0.4+tuxcare.els6",
"evidence": "/affected/20/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libkrb5-dev",
"evidence": "/affected/21/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.16-2ubuntu0.4+tuxcare.els6",
"evidence": "/affected/21/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libkrb5support0",
"evidence": "/affected/22/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
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"evidence": "/affected/22/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2026-1792097614",
"aliases": [
"CLSA-2026-1792097614"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
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{
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}
]
}
],
"package": {
"name": "krb5-admin-server",
"purl": "pkg:deb/tuxcare/krb5-admin-server?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1792097614.json"
}
},
{
"ranges": [
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],
"package": {
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"purl": "pkg:deb/tuxcare/krb5-doc?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
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"package": {
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"purl": "pkg:deb/tuxcare/krb5-gss-samples?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
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{
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],
"package": {
"name": "krb5-k5tls",
"purl": "pkg:deb/tuxcare/krb5-k5tls?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
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}
},
{
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],
"package": {
"name": "krb5-kdc",
"purl": "pkg:deb/tuxcare/krb5-kdc?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1792097614.json"
}
},
{
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]
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],
"package": {
"name": "krb5-kdc-ldap",
"purl": "pkg:deb/tuxcare/krb5-kdc-ldap?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1792097614.json"
}
},
{
"ranges": [
{
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{
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},
{
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}
]
}
],
"package": {
"name": "krb5-kpropd",
"purl": "pkg:deb/tuxcare/krb5-kpropd?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1792097614.json"
}
},
{
"ranges": [
{
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"events": [
{
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},
{
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}
]
}
],
"package": {
"name": "krb5-locales",
"purl": "pkg:deb/tuxcare/krb5-locales?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1792097614.json"
}
},
{
"ranges": [
{
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"events": [
{
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},
{
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}
]
}
],
"package": {
"name": "krb5-multidev",
"purl": "pkg:deb/tuxcare/krb5-multidev?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1792097614.json"
}
},
{
"ranges": [
{
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"events": [
{
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},
{
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}
]
}
],
"package": {
"name": "krb5-otp",
"purl": "pkg:deb/tuxcare/krb5-otp?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1792097614.json"
}
},
{
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}
]
}
],
"package": {
"name": "krb5-pkinit",
"purl": "pkg:deb/tuxcare/krb5-pkinit?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1792097614.json"
}
},
{
"ranges": [
{
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"events": [
{
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},
{
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}
]
}
],
"package": {
"name": "krb5-user",
"purl": "pkg:deb/tuxcare/krb5-user?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1792097614.json"
}
},
{
"ranges": [
{
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"events": [
{
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},
{
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}
]
}
],
"package": {
"name": "libgssapi-krb5-2",
"purl": "pkg:deb/tuxcare/libgssapi-krb5-2?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1792097614.json"
}
},
{
"ranges": [
{
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"events": [
{
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},
{
"fixed": "1.16-2ubuntu0.4+tuxcare.els6"
}
]
}
],
"package": {
"name": "libgssrpc4",
"purl": "pkg:deb/tuxcare/libgssrpc4?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
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}
},
{
"ranges": [
{
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"events": [
{
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},
{
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}
]
}
],
"package": {
"name": "libk5crypto3",
"purl": "pkg:deb/tuxcare/libk5crypto3?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1792097614.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.16-2ubuntu0.4+tuxcare.els6"
}
]
}
],
"package": {
"name": "libkadm5clnt-mit11",
"purl": "pkg:deb/tuxcare/libkadm5clnt-mit11?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1792097614.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.16-2ubuntu0.4+tuxcare.els6"
}
]
}
],
"package": {
"name": "libkadm5srv-mit11",
"purl": "pkg:deb/tuxcare/libkadm5srv-mit11?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1792097614.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.16-2ubuntu0.4+tuxcare.els6"
}
]
}
],
"package": {
"name": "libkdb5-9",
"purl": "pkg:deb/tuxcare/libkdb5-9?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1792097614.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.16-2ubuntu0.4+tuxcare.els6"
}
]
}
],
"package": {
"name": "libkrad-dev",
"purl": "pkg:deb/tuxcare/libkrad-dev?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1792097614.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.16-2ubuntu0.4+tuxcare.els6"
}
]
}
],
"package": {
"name": "libkrad0",
"purl": "pkg:deb/tuxcare/libkrad0?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1792097614.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
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}
]
}
],
"package": {
"name": "libkrb5-3",
"purl": "pkg:deb/tuxcare/libkrb5-3?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1792097614.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
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},
{
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}
]
}
],
"package": {
"name": "libkrb5-dev",
"purl": "pkg:deb/tuxcare/libkrb5-dev?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1792097614.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
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}
]
}
],
"package": {
"name": "libkrb5support0",
"purl": "pkg:deb/tuxcare/libkrb5support0?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1792097614.json"
}
}
],
"modified": "2026-10-26T09:32:04.723707106Z",
"provider": "osv",
"upstream": [
"CVE-2026-107778"
],
"references": [
"https://errata.tuxcare.com/els_os/ubuntu18.04els/CLSA-2026-1792097614.html",
"https://nvd.nist.gov/vuln/detail/CVE-2026-107778"
]
},
"related_cves": [
{
"value": "CVE-2026-107778",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 449631,
"published_at": "2026-10-15T20:53:46+00:00"
}