UBUNTU-CVE-2026-93312

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Source
https://ubuntu.com/security/CVE-2026-93312
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-93312.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-93312
Upstream
Published
2026-09-21T00:00:00Z
Modified
2026-09-21T21:41:00Z
Severity
  • 4.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L CVSS Calculator
  • 2.1 (Low) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

A flaw has been found in Freedesktop Poppler 26.07.0. Impacted is the function JBIG2Stream::rewind of the file poppler/JBIG2Stream.cc. This manipulation causes null pointer dereference. It is possible to initiate the attack remotely. The exploit has been published and may be used. Upgrading to version 26.08.0 is recommended to address this issue. Patch name: 5e49250f13b0390edeb3f90eb4c02c9941f97067. Upgrading the affected component is advised.

References

Affected packages

Ubuntu:22.04:LTS
poppler

Package

Name
poppler
Purl
pkg:deb/ubuntu/poppler?arch=source&distro=jammy

Affected ranges

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

Affected versions

21.*
21.06.1-1
21.11.0-1~ubuntu2
22.*
22.02.0-2
22.02.0-2ubuntu0.1
22.02.0-2ubuntu0.2
22.02.0-2ubuntu0.3
22.02.0-2ubuntu0.4
22.02.0-2ubuntu0.5
22.02.0-2ubuntu0.6
22.02.0-2ubuntu0.7
22.02.0-2ubuntu0.8
22.02.0-2ubuntu0.9
22.02.0-2ubuntu0.10
22.02.0-2ubuntu0.11
22.02.0-2ubuntu0.12
22.02.0-2ubuntu0.13

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "gir1.2-poppler-0.18",
            "binary_version":  "22.02.0-2ubuntu0.13"
        },
        {
            "binary_name":  "libpoppler-cpp0v5",
            "binary_version":  "22.02.0-2ubuntu0.13"
        },
        {
            "binary_name":  "libpoppler-glib8",
            "binary_version":  "22.02.0-2ubuntu0.13"
        },
        {
            "binary_name":  "libpoppler-qt5-1",
            "binary_version":  "22.02.0-2ubuntu0.13"
        },
        {
            "binary_name":  "libpoppler118",
            "binary_version":  "22.02.0-2ubuntu0.13"
        },
        {
            "binary_name":  "poppler-utils",
            "binary_version":  "22.02.0-2ubuntu0.13"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-93312.json"
Ubuntu:24.04:LTS
poppler

Package

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

Affected ranges

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

Affected versions

23.*
23.08.0-2ubuntu1
23.12.0-1ubuntu2
24.*
24.02.0-1ubuntu2
24.02.0-1ubuntu8
24.02.0-1ubuntu9
24.02.0-1ubuntu9.1
24.02.0-1ubuntu9.2
24.02.0-1ubuntu9.3
24.02.0-1ubuntu9.4
24.02.0-1ubuntu9.5
24.02.0-1ubuntu9.6
24.02.0-1ubuntu9.7
24.02.0-1ubuntu9.8
24.02.0-1ubuntu9.9

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "gir1.2-poppler-0.18",
            "binary_version":  "24.02.0-1ubuntu9.9"
        },
        {
            "binary_name":  "libpoppler-cpp0t64",
            "binary_version":  "24.02.0-1ubuntu9.9"
        },
        {
            "binary_name":  "libpoppler-glib8t64",
            "binary_version":  "24.02.0-1ubuntu9.9"
        },
        {
            "binary_name":  "libpoppler-qt5-1t64",
            "binary_version":  "24.02.0-1ubuntu9.9"
        },
        {
            "binary_name":  "libpoppler-qt6-3t64",
            "binary_version":  "24.02.0-1ubuntu9.9"
        },
        {
            "binary_name":  "libpoppler134",
            "binary_version":  "24.02.0-1ubuntu9.9"
        },
        {
            "binary_name":  "poppler-utils",
            "binary_version":  "24.02.0-1ubuntu9.9"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-93312.json"
Ubuntu:26.04:LTS
poppler

Package

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

Affected ranges

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

Affected versions

25.*
25.03.0-10
25.03.0-11.1
26.*
26.01.0-2build2
26.01.0-2ubuntu0.1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "gir1.2-poppler-0.18",
            "binary_version":  "26.01.0-2ubuntu0.1"
        },
        {
            "binary_name":  "libpoppler-cpp3",
            "binary_version":  "26.01.0-2ubuntu0.1"
        },
        {
            "binary_name":  "libpoppler-glib8t64",
            "binary_version":  "26.01.0-2ubuntu0.1"
        },
        {
            "binary_name":  "libpoppler-qt5-1t64",
            "binary_version":  "26.01.0-2ubuntu0.1"
        },
        {
            "binary_name":  "libpoppler-qt6-3t64",
            "binary_version":  "26.01.0-2ubuntu0.1"
        },
        {
            "binary_name":  "libpoppler156",
            "binary_version":  "26.01.0-2ubuntu0.1"
        },
        {
            "binary_name":  "poppler-utils",
            "binary_version":  "26.01.0-2ubuntu0.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-93312.json"
Ubuntu:Pro:16.04:LTS
poppler

Package

Name
poppler
Purl
pkg:deb/ubuntu/poppler?arch=source&distro=esm-infra%2Fxenial

Affected ranges

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

Affected versions

0.*
0.33.0-0ubuntu3
0.37.0-0ubuntu1
0.38.0-0ubuntu1
0.41.0-0ubuntu1
0.41.0-0ubuntu1.1
0.41.0-0ubuntu1.2
0.41.0-0ubuntu1.3
0.41.0-0ubuntu1.4
0.41.0-0ubuntu1.5
0.41.0-0ubuntu1.6
0.41.0-0ubuntu1.7
0.41.0-0ubuntu1.8
0.41.0-0ubuntu1.9
0.41.0-0ubuntu1.10
0.41.0-0ubuntu1.11
0.41.0-0ubuntu1.12
0.41.0-0ubuntu1.13
0.41.0-0ubuntu1.14
0.41.0-0ubuntu1.15
0.41.0-0ubuntu1.16
0.41.0-0ubuntu1.16+esm1
0.41.0-0ubuntu1.16+esm2
0.41.0-0ubuntu1.16+esm3
0.41.0-0ubuntu1.16+esm4
0.41.0-0ubuntu1.16+esm5
0.41.0-0ubuntu1.16+esm6
0.41.0-0ubuntu1.16+esm7
0.41.0-0ubuntu1.16+esm8

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "gir1.2-poppler-0.18",
            "binary_version":  "0.41.0-0ubuntu1.16+esm8"
        },
        {
            "binary_name":  "libpoppler-cpp0",
            "binary_version":  "0.41.0-0ubuntu1.16+esm8"
        },
        {
            "binary_name":  "libpoppler-glib8",
            "binary_version":  "0.41.0-0ubuntu1.16+esm8"
        },
        {
            "binary_name":  "libpoppler-qt4-4",
            "binary_version":  "0.41.0-0ubuntu1.16+esm8"
        },
        {
            "binary_name":  "libpoppler-qt5-1",
            "binary_version":  "0.41.0-0ubuntu1.16+esm8"
        },
        {
            "binary_name":  "libpoppler58",
            "binary_version":  "0.41.0-0ubuntu1.16+esm8"
        },
        {
            "binary_name":  "poppler-utils",
            "binary_version":  "0.41.0-0ubuntu1.16+esm8"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-93312.json"
Ubuntu:Pro:18.04:LTS
poppler

Package

Name
poppler
Purl
pkg:deb/ubuntu/poppler?arch=source&distro=esm-infra%2Fbionic

Affected ranges

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

Affected versions

0.*
0.57.0-2ubuntu4
0.57.0-2ubuntu5
0.62.0-1ubuntu1
0.62.0-2ubuntu1
0.62.0-2ubuntu2
0.62.0-2ubuntu2.1
0.62.0-2ubuntu2.2
0.62.0-2ubuntu2.4
0.62.0-2ubuntu2.5
0.62.0-2ubuntu2.6
0.62.0-2ubuntu2.7
0.62.0-2ubuntu2.8
0.62.0-2ubuntu2.9
0.62.0-2ubuntu2.10
0.62.0-2ubuntu2.11
0.62.0-2ubuntu2.12
0.62.0-2ubuntu2.13
0.62.0-2ubuntu2.14
0.62.0-2ubuntu2.14+esm1
0.62.0-2ubuntu2.14+esm2
0.62.0-2ubuntu2.14+esm3
0.62.0-2ubuntu2.14+esm4
0.62.0-2ubuntu2.14+esm5
0.62.0-2ubuntu2.14+esm6
0.62.0-2ubuntu2.14+esm7
0.62.0-2ubuntu2.14+esm8

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "gir1.2-poppler-0.18",
            "binary_version":  "0.62.0-2ubuntu2.14+esm8"
        },
        {
            "binary_name":  "libpoppler-cpp0v5",
            "binary_version":  "0.62.0-2ubuntu2.14+esm8"
        },
        {
            "binary_name":  "libpoppler-glib8",
            "binary_version":  "0.62.0-2ubuntu2.14+esm8"
        },
        {
            "binary_name":  "libpoppler-qt5-1",
            "binary_version":  "0.62.0-2ubuntu2.14+esm8"
        },
        {
            "binary_name":  "libpoppler73",
            "binary_version":  "0.62.0-2ubuntu2.14+esm8"
        },
        {
            "binary_name":  "poppler-utils",
            "binary_version":  "0.62.0-2ubuntu2.14+esm8"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-93312.json"
Ubuntu:Pro:20.04:LTS
poppler

Package

Name
poppler
Purl
pkg:deb/ubuntu/poppler?arch=source&distro=esm-infra%2Ffocal

Affected ranges

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

Affected versions

0.*
0.80.0-0ubuntu1
0.80.0-0ubuntu3
0.80.0-0ubuntu4
0.80.0-0ubuntu5
0.85.0-1ubuntu1
0.85.0-1ubuntu3
0.86.1-0ubuntu1
0.86.1-0ubuntu1.1
0.86.1-0ubuntu1.2
0.86.1-0ubuntu1.3
0.86.1-0ubuntu1.4
0.86.1-0ubuntu1.5
0.86.1-0ubuntu1.6
0.86.1-0ubuntu1.7
0.86.1-0ubuntu1.7+esm1
0.86.1-0ubuntu1.7+esm2
0.86.1-0ubuntu1.7+esm3

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "gir1.2-poppler-0.18",
            "binary_version":  "0.86.1-0ubuntu1.7+esm3"
        },
        {
            "binary_name":  "libpoppler-cpp0v5",
            "binary_version":  "0.86.1-0ubuntu1.7+esm3"
        },
        {
            "binary_name":  "libpoppler-glib8",
            "binary_version":  "0.86.1-0ubuntu1.7+esm3"
        },
        {
            "binary_name":  "libpoppler-qt5-1",
            "binary_version":  "0.86.1-0ubuntu1.7+esm3"
        },
        {
            "binary_name":  "libpoppler97",
            "binary_version":  "0.86.1-0ubuntu1.7+esm3"
        },
        {
            "binary_name":  "poppler-utils",
            "binary_version":  "0.86.1-0ubuntu1.7+esm3"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-93312.json"