DEBIAN-CVE-2026-47784

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Source
https://security-tracker.debian.org/tracker/CVE-2026-47784
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-47784.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-47784
Upstream
Published
2026-05-20T07:16:15Z
Modified
2026-09-14T17:03:16Z
Severity
  • 8.1 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

In memcached before 1.6.42, password data for SASL password database authentication has a timing side channel because memcmp is used by sasl_server_userdb_checkpass.

References

Affected packages

Debian:12 / memcached

Package

Name
memcached
Purl
pkg:deb/debian/memcached?arch=source&distro=bookworm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.6.18-1
1.6.19-1
1.6.21-1
1.6.21-2
1.6.21-3
1.6.22-1
1.6.23-1
1.6.24-1
1.6.26-1
1.6.27-1
1.6.28-1
1.6.29-1
1.6.31-1
1.6.32-1
1.6.32-2
1.6.32-3
1.6.33-1
1.6.33-2
1.6.34-1
1.6.36-1
1.6.37-1
1.6.38-1
1.6.39-1
1.6.39-2
1.6.40-1
1.6.41-1
1.6.41-2
1.6.42-1
1.6.45-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-47784.json"

Debian:13 / memcached

Package

Name
memcached
Purl
pkg:deb/debian/memcached?arch=source&distro=trixie

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.6.38-1
1.6.39-1
1.6.39-2
1.6.40-1
1.6.41-1
1.6.41-2
1.6.42-1
1.6.45-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-47784.json"

Debian:14 / memcached

Package

Name
memcached
Purl
pkg:deb/debian/memcached?arch=source&distro=forky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.6.42-1

Affected versions

1.*
1.6.38-1
1.6.39-1
1.6.39-2
1.6.40-1
1.6.41-1
1.6.41-2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-47784.json"