DEBIAN-CVE-2026-113793

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Source
https://security-tracker.debian.org/tracker/CVE-2026-113793
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-113793.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-113793
Upstream
Published
2026-10-21T16:17:27Z
Modified
2026-10-23T18:05:10Z
Severity
  • 6.0 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:H/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

pypdf is a free and open-source pure-python PDF library. Prior to 6.20.1, removing an object from a crafted cyclic PDF tree, such as an outline item, can enter an infinite loop and block the current process. This issue is fixed in version 6.20.1.

References

Affected packages

Debian:12 / pypdf

Package

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

Affected ranges

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

Affected versions

3.*
3.4.1-1
3.4.1-1+deb12u1
3.17.4-1
4.*
4.0.0-1~exp1
4.0.0-1
4.0.1-1
4.0.2-1
4.1.0-1
4.2.0-1
4.3.1-1
5.*
5.4.0-1
6.*
6.9.0-1
6.9.2-1
6.9.2-2
6.19.0-1
6.21.0-1
6.21.1-1

Ecosystem specific 

{
    "urgency":  "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-113793.json"

Debian:13 / pypdf

Package

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

Affected ranges

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

Affected versions

5.*
5.4.0-1
6.*
6.9.0-1
6.9.2-1
6.9.2-2
6.19.0-1
6.21.0-1
6.21.1-1

Ecosystem specific 

{
    "urgency":  "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-113793.json"

Debian:14 / pypdf

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
6.21.0-1

Affected versions

5.*
5.4.0-1
6.*
6.9.0-1
6.9.2-1
6.9.2-2
6.19.0-1

Ecosystem specific 

{
    "urgency":  "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-113793.json"

Debian:12 / pypdf2

Package

Name
pypdf2
Purl
pkg:deb/debian/pypdf2?arch=source&distro=bookworm

Affected ranges

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

Affected versions

2.*
2.12.1-3
2.12.1-3+deb12u1
2.12.1-4

Ecosystem specific 

{
    "urgency":  "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-113793.json"