DEBIAN-CVE-2026-42030

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Source
https://security-tracker.debian.org/tracker/CVE-2026-42030
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-42030.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-42030
Upstream
Published
2026-05-08T17:16:31Z
Modified
2026-10-01T03:03:11Z
Severity
  • 6.1 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N CVSS Calculator
Summary
[none]
Details

MapServer is a system for developing web-based GIS applications. From version 6.0 to before version 8.6.2, a reflected XSS vulnerability in MapServer's WMS server allows an unauthenticated attacker to inject arbitrary HTML/JavaScript into the browser of any user who opens a crafted WMS URL. The vulnerability is triggered via FORMAT=application/openlayers combined with an unsanitized SRS parameter in WMS 1.3.0 requests. This issue has been patched in version 8.6.2.

References

Affected packages

Debian:12 / mapserver

Package

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

Affected ranges

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

Affected versions

8.*
8.0.0-3
8.0.0-3+deb12u1
8.0.1-1~exp1
8.0.1-1
8.0.1-2~bpo12+1
8.0.1-2
8.0.1-2.1~exp1
8.0.1-3~exp1
8.0.1-3
8.0.1-4
8.0.1-5
8.0.2-1~bpo12+1
8.0.2-1
8.2.0~beta1-1~exp1
8.2.0~beta2-1~exp1
8.2.0~beta3-1~exp1
8.2.0~rc1-1~exp1
8.2.0~rc2-1~exp1
8.2.0~rc3-1~exp1
8.2.0-1~bpo12+1
8.2.0-1
8.2.1-1~bpo12+1
8.2.1-1
8.2.2-1~bpo12+1
8.2.2-1
8.4.0~beta1-1~exp1
8.4.0~beta2-1~exp1
8.4.0~rc1-1~exp1
8.4.0-1~bpo12+1
8.4.0-1
8.4.0-2
8.4.0-3
8.4.0-4
8.4.1-1~bpo13+1
8.4.1-1
8.4.1-2
8.6.0~beta1-1~exp1
8.6.0~beta2-1~exp1
8.6.0~rc1-1~exp1
8.6.0-1~bpo13+1
8.6.0-1
8.6.1-1~bpo13+1
8.6.1-1
8.6.2-1~bpo13+1
8.6.2-1
8.6.3-1~bpo13+1
8.6.3-1
8.6.4-1~bpo13+1
8.6.4-1
8.6.5-1~bpo13+1
8.6.5-1
8.6.6-1~bpo13+1
8.6.6-1

Ecosystem specific 

{
    "urgency":  "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-42030.json"

Debian:13 / mapserver

Package

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

Affected ranges

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

Affected versions

8.*
8.4.0-4
8.4.0-4+deb13u1
8.4.0-4+deb13u2
8.4.1-1~bpo13+1
8.4.1-1
8.4.1-2
8.6.0~beta1-1~exp1
8.6.0~beta2-1~exp1
8.6.0~rc1-1~exp1
8.6.0-1~bpo13+1
8.6.0-1
8.6.1-1~bpo13+1
8.6.1-1
8.6.2-1~bpo13+1
8.6.2-1
8.6.3-1~bpo13+1
8.6.3-1
8.6.4-1~bpo13+1
8.6.4-1
8.6.5-1~bpo13+1
8.6.5-1
8.6.6-1~bpo13+1
8.6.6-1

Ecosystem specific 

{
    "urgency":  "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-42030.json"

Debian:14 / mapserver

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
8.6.2-1

Affected versions

8.*
8.4.0-4
8.4.1-1~bpo13+1
8.4.1-1
8.4.1-2
8.6.0~beta1-1~exp1
8.6.0~beta2-1~exp1
8.6.0~rc1-1~exp1
8.6.0-1~bpo13+1
8.6.0-1
8.6.1-1~bpo13+1
8.6.1-1
8.6.2-1~bpo13+1

Ecosystem specific 

{
    "urgency":  "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-42030.json"