DEBIAN-CVE-2026-48851
PuTTY 0.77 before 0.84 uses a copy of the PuTTY icon as a trust indication for TELNET data but the trust status is not cleared between proxy authentication and the main session.
DEBIAN-CVE-2026-48851
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: osv:DEBIAN-CVE-2026-48851
putty
Source reference: /affected/0/package/name
- Affected versions
- 0.78-2
Source reference:
/affected/0/versions0.78-2+deb12u1Source reference:
/affected/0/versions0.78-2+deb12u2Source reference:
/affected/0/versions0.78-3Source reference:
/affected/0/versions0.79-1Source reference:
/affected/0/versions0.80-1Source reference:
/affected/0/versions0.81-1Source reference:
/affected/0/versions0.81-2Source reference:
/affected/0/versions0.81-3Source reference:
/affected/0/versions0.82-1Source reference:
/affected/0/versions0.82-2Source reference:
/affected/0/versions0.83-1Source reference:
/affected/0/versions0.83-2Source reference:
/affected/0/versions0.83-3Source reference:
/affected/0/versions0.84-1Source reference:
/affected/0/versions0.85-3Source reference:
/affected/0/versions - Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
putty
Source reference: /affected/1/package/name
- Affected versions
- 0.83-3
Source reference:
/affected/1/versions0.84-1Source reference:
/affected/1/versions0.85-3Source reference:
/affected/1/versions - Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
putty
Source reference: /affected/2/package/name
- Affected versions
- 0.83-3
Source reference:
/affected/2/versions - Fixed versions
- 0.84-1
Source reference:
/affected/2/ranges - Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "putty",
"purl": "pkg:deb/debian/putty?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"0.78-2",
"0.78-2+deb12u1",
"0.78-2+deb12u2",
"0.78-3",
"0.79-1",
"0.80-1",
"0.81-1",
"0.81-2",
"0.81-3",
"0.82-1",
"0.82-2",
"0.83-1",
"0.83-2",
"0.83-3",
"0.84-1",
"0.85-3"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-48851.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "putty",
"purl": "pkg:deb/debian/putty?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"versions": [
"0.83-3",
"0.84-1",
"0.85-3"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-48851.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.84-1"
}
]
}
],
"package": {
"name": "putty",
"purl": "pkg:deb/debian/putty?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"versions": [
"0.83-3"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-48851.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
]Publisher severity
No explicit severity was provided.
- Event
- #56583 · Revision 1
- Added to Heist Feed
- Publisher date