UBUNTU-CVE-2026-115585

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Source
https://ubuntu.com/security/CVE-2026-115585
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-115585.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-115585
Upstream
Published
2026-10-26T00:00:00Z
Modified
2026-10-27T04:17:49Z
Severity
  • 7.1 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

pypdf is a free and open-source pure-python PDF library. Prior to 6.21.2, an incomplete remediation for repeated malformed cross-reference entries in GHSA-55h5-xmcq-c37v could still trigger a complete PDF stream reload during each recovery attempt even when a recovery cache was present, causing crafted cross-reference streams to produce long runtimes. This issue is fixed in version 6.21.2.

References

Affected packages

Ubuntu:24.04:LTS / pypdf

Package

Name
pypdf
Purl
pkg:deb/ubuntu/pypdf?arch=source&distro=noble

Affected ranges

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

Affected versions

3.*
3.4.1-1
3.17.4-1
4.*
4.0.0-1
4.0.1-1
4.0.2-1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "python3-pypdf",
            "binary_version":  "4.0.2-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-115585.json"

Ubuntu:26.10 / pypdf

Package

Name
pypdf
Purl
pkg:deb/ubuntu/pypdf?arch=source&distro=stonking

Affected ranges

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

Affected versions

6.*
6.9.2-1
6.9.2-2

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "python3-pypdf",
            "binary_version":  "6.9.2-2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-115585.json"

Ubuntu:26.04:LTS / pypdf

Package

Name
pypdf
Purl
pkg:deb/ubuntu/pypdf?arch=source&distro=resolute

Affected ranges

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

Affected versions

5.*
5.4.0-1
6.*
6.9.2-1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "python3-pypdf",
            "binary_version":  "6.9.2-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-115585.json"