DEBIAN-CVE-2026-87933

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Source
https://security-tracker.debian.org/tracker/CVE-2026-87933
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-87933.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-87933
Upstream
Published
2026-09-10T01:16:35Z
Modified
2026-09-11T09:02:32Z
Severity
  • 5.5 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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

A vulnerability was found in DaveGamble cJSON up to 1.7.19. The affected element is the function cJSONUtils_MergePatch of the file cJSON_Utils.c. The manipulation results in use after free. The attack may be launched remotely. The exploit has been made public and could be used. The pull request to fix this issue awaits acceptance.

References

Affected packages

Debian:12 / cjson

Package

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

Affected ranges

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

Affected versions

1.*
1.7.15-1
1.7.15-1+deb12u1
1.7.15-1+deb12u2
1.7.15-1+deb12u3
1.7.15-1+deb12u4
1.7.16-1
1.7.16-2
1.7.17-1
1.7.17-2
1.7.18-1
1.7.18-2
1.7.18-3
1.7.18-3.1
1.7.18-4
1.7.19-1
1.7.19-2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-87933.json"

Debian:13 / cjson

Package

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

Affected ranges

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

Affected versions

1.*
1.7.18-3.1
1.7.18-3.1+deb13u1
1.7.18-4
1.7.19-1
1.7.19-2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-87933.json"

Debian:14 / cjson

Package

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

Affected ranges

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

Affected versions

1.*
1.7.18-3.1
1.7.18-4
1.7.19-1
1.7.19-2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-87933.json"