DEBIAN-CVE-2026-40553

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Source
https://security-tracker.debian.org/tracker/CVE-2026-40553
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-40553.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-40553
Upstream
  • CVE-2026-40553
Published
2026-07-13T13:16:37Z
Modified
2026-09-14T17:03:11Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

Buffer overflow vulnerability has been found in "extension/readdir.c" program file of gawk (ftype() routine). This issue could be used to crash the program and potentially to achieve code execution, although the latter has not been confirmed to be feasible. It affects gawk in versions 5.4.0 and below.

References

Affected packages

Debian:12 / gawk

Package

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

Affected ranges

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

Affected versions

1:5.*
1:5.2.1-2
1:5.3.2-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-40553.json"

Debian:13 / gawk

Package

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

Affected ranges

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

Affected versions

1:5.*
1:5.2.1-2
1:5.3.2-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-40553.json"

Debian:14 / gawk

Package

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

Affected ranges

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

Affected versions

1:5.*
1:5.2.1-2
1:5.3.2-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-40553.json"