DEBIAN-CVE-2026-106434

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Source
https://security-tracker.debian.org/tracker/CVE-2026-106434
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-106434.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-106434
Upstream
  • CVE-2026-106434
Published
2026-10-08T19:16:59Z
Modified
2026-10-09T21:00:16Z
Severity
  • 5.3 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X CVSS Calculator
Summary
[none]
Details

The explicit decryption component of MongoDB libmongocrypt can return an unrecognized encrypted payload unchanged instead of returning a decryption error. An actor who can modify stored encrypted fields, such as a database writer, server, or network intermediary, can cause an affected application to process the supplied bytes as decrypted plaintext.

References

Affected packages

Debian:12 / libmongocrypt

Package

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

Affected ranges

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

Affected versions

1.*
1.7.2-1
1.8.2-1
1.8.4-1
1.9.1-1
1.10.0-1
1.10.1-1
1.11.0-1
1.12.0-1
1.13.0-1
1.13.1-1
1.13.2-1
1.16.0-1
1.17.0-1
1.17.3-1
1.18.1-1
1.18.2-1
1.19.0-1
1.19.1-1
1.20.0-1
1.20.1-1
1.20.2-1
1.20.3-1
1.20.4-1
1.20.5-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-106434.json"

Debian:13 / libmongocrypt

Package

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

Affected ranges

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

Affected versions

1.*
1.13.2-1
1.13.2-1+deb13u1
1.16.0-1
1.17.0-1
1.17.3-1
1.18.1-1
1.18.2-1
1.19.0-1
1.19.1-1
1.20.0-1
1.20.1-1
1.20.2-1
1.20.3-1
1.20.4-1
1.20.5-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-106434.json"

Debian:14 / libmongocrypt

Package

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

Affected ranges

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

Affected versions

1.*
1.13.2-1
1.16.0-1
1.17.0-1
1.17.3-1
1.18.1-1
1.18.2-1
1.19.0-1
1.19.1-1
1.20.0-1
1.20.1-1
1.20.2-1
1.20.3-1
1.20.4-1
1.20.5-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-106434.json"