CVE-2026-93311
Freedesktop Poppler SampledFunction Function.cc integer overflow
A vulnerability was detected in Freedesktop Poppler 26.07.0. This issue affects the function SampledFunction::SampledFunction of the file poppler/Function.cc of the component SampledFunction. The manipulation of the argument BitsPerSample results in integer overflow. The attack may be performed from remote. The exploit is now public and may be used. The project was informed of the problem early through a bug report but has not responded yet.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Passive
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
5.3
Freedesktop Poppler SampledFunction Function.cc integer overflow
A vulnerability was detected in Freedesktop Poppler 26.07.0. This issue affects the function SampledFunction::SampledFunction of the file poppler/Function.cc of the component SampledFunction. The manipulation of the argument BitsPerSample results in integer overflow. The attack may be performed from remote. The exploit is now public and may be used. The project was informed of the problem early through a bug report but has not responded yet.
- Record
CVE-2026-93311- CVSS 4.0
- 5.3 Medium
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 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R - CVSS 3.0
- 4.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R - CVSS 2.0
- 5.0
AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:ND/RC:UR - Weakness
- CWE-190, CWE-189
- Updated
- 2026-11-02
EUVDEUVD-2026-82612
5.3
A vulnerability was detected in Freedesktop Poppler 26.07.0. This issue affects the function SampledFunction::SampledFunction of the file poppler/Function.cc of the component SampledFunction. The manipulation of the argument BitsPerSample results in integer overflow. The attack may be performed from remote. The exploit is now public and may be used. The project was informed of the problem early through a bug report but has not responded yet.
- Record
EUVD-2026-82612- CVSS 4.0
- 5.3 Medium
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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-9p2x-92wc-v6h2
2.1
A vulnerability was detected in Freedesktop Poppler 26.07.0. This issue affects the function...
A vulnerability was detected in Freedesktop Poppler 26.07.0. This issue affects the function SampledFunction::SampledFunction of the file poppler/Function.cc of the component SampledFunction. The manipulation of the argument BitsPerSample results in integer overflow. The attack may be performed from remote. The exploit is now public and may be used. The project was informed of the problem early through a bug report but has not responded yet.
- Record
GHSA-9p2x-92wc-v6h2- CVSS 4.0
- 2.1 Low
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/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 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L - Updated
- 2026-11-02
NVD
2.1
A vulnerability was detected in Freedesktop Poppler 26.07.0. This issue affects the function SampledFunction::SampledFunction of the file poppler/Function.cc of the component SampledFunction. The manipulation of the argument BitsPerSample results in integer overflow. The attack may be performed from remote. The exploit is now public and may be used. The project was informed of the problem early through a bug report but has not responded yet.
- Record
CVE-2026-93311- CVSS 4.0
- 2.1 Low
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/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 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-189, CWE-190
- Updated
- 2026-11-02
OSVDEBIAN-CVE-2026-93311
2.1
A vulnerability was detected in Freedesktop Poppler 26.07.0. This issue affects the function SampledFunction::SampledFunction of the file poppler/Function.cc of the component SampledFunction. The manipulation of the argument BitsPerSample results in integer overflow. The attack may be performed from remote. The exploit is now public and may be used. The project was informed of the problem early through a bug report but has not responded yet.
- Record
DEBIAN-CVE-2026-93311- CVSS 4.0
- 2.1 Low
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/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 - Updated
- 2026-11-02
OSVRHSA-2026:82452
6.5
Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update
- Record
RHSA-2026:82452- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2026-93311
2.1
A vulnerability was detected in Freedesktop Poppler 26.07.0. This issue affects the function SampledFunction::SampledFunction of the file poppler/Function.cc of the component SampledFunction. The manipulation of the argument BitsPerSample results in integer overflow. The attack may be performed from remote. The exploit is now public and may be used. The project was informed of the problem early through a bug report but has not responded yet.
- Record
UBUNTU-CVE-2026-93311- CVSS 4.0
- 2.1 Low
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 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
popplerDebian:12 |
All versions, plus listed versions 22.12.0-222.12.0-2+deb12u122.12.0-2+deb12u222.12.0-2+deb12u322.12.0-2.1 Show 40 moreShow less22.12.0-2.223.08.0-123.08.0-223.12.0-124.02.0-124.02.0-224.02.0-324.02.0-424.02.0-524.02.0-5+loong6424.06.0-124.06.0-224.08.0-124.08.0-224.08.0-324.08.0-425.01.0-125.01.0-225.01.0-325.01.0-425.01.0-525.03.0-125.03.0-1025.03.0-1125.03.0-11.125.03.0-225.03.0-325.03.0-425.03.0-525.03.0-625.03.0-725.03.0-926.01.0-126.01.0-226.01.0-326.01.0-426.01.0-4.126.01.0-526.07.0-126.07.0-2 |
None known |
popplerDebian:13 |
All versions, plus listed versions 25.03.0-1025.03.0-1125.03.0-11.125.03.0-525.03.0-5+deb13u2 Show 13 moreShow less25.03.0-5+deb13u325.03.0-5+deb13u425.03.0-625.03.0-725.03.0-926.01.0-126.01.0-226.01.0-326.01.0-426.01.0-4.126.01.0-526.07.0-126.07.0-2 |
None known |
popplerDebian:14 |
All versions, plus listed versions 25.03.0-1025.03.0-1125.03.0-11.125.03.0-525.03.0-6 Show 10 moreShow less25.03.0-725.03.0-926.01.0-126.01.0-226.01.0-326.01.0-426.01.0-4.126.01.0-526.07.0-126.07.0-2 |
None known |
popplerRed Hat:hummingbird:1 |
before 0:26.08.0-1.5.hum1 | 0:26.08.0-1.5.hum1 |
poppler-cppRed Hat:hummingbird:1 |
before 0:26.08.0-1.5.hum1 | 0:26.08.0-1.5.hum1 |
poppler-cpp-develRed Hat:hummingbird:1 |
before 0:26.08.0-1.5.hum1 | 0:26.08.0-1.5.hum1 |
poppler-develRed Hat:hummingbird:1 |
before 0:26.08.0-1.5.hum1 | 0:26.08.0-1.5.hum1 |
poppler-glibRed Hat:hummingbird:1 |
before 0:26.08.0-1.5.hum1 | 0:26.08.0-1.5.hum1 |
poppler-glib-develRed Hat:hummingbird:1 |
before 0:26.08.0-1.5.hum1 | 0:26.08.0-1.5.hum1 |
poppler-glib-docRed Hat:hummingbird:1 |
before 0:26.08.0-1.5.hum1 | 0:26.08.0-1.5.hum1 |
Show 10 moreShow less
| Package | Affected | Fixed |
|---|---|---|
poppler-qt6Red Hat:hummingbird:1 |
before 0:26.08.0-1.5.hum1 | 0:26.08.0-1.5.hum1 |
poppler-qt6-develRed Hat:hummingbird:1 |
before 0:26.08.0-1.5.hum1 | 0:26.08.0-1.5.hum1 |
poppler-utilsRed Hat:hummingbird:1 |
before 0:26.08.0-1.5.hum1 | 0:26.08.0-1.5.hum1 |
popplerUbuntu:Pro:16.04:LTS |
All versions, plus listed versions 0.33.0-0ubuntu30.37.0-0ubuntu10.38.0-0ubuntu10.41.0-0ubuntu10.41.0-0ubuntu1.1 Show 23 moreShow less0.41.0-0ubuntu1.20.41.0-0ubuntu1.30.41.0-0ubuntu1.40.41.0-0ubuntu1.50.41.0-0ubuntu1.60.41.0-0ubuntu1.70.41.0-0ubuntu1.80.41.0-0ubuntu1.90.41.0-0ubuntu1.100.41.0-0ubuntu1.110.41.0-0ubuntu1.120.41.0-0ubuntu1.130.41.0-0ubuntu1.140.41.0-0ubuntu1.150.41.0-0ubuntu1.160.41.0-0ubuntu1.16+esm10.41.0-0ubuntu1.16+esm20.41.0-0ubuntu1.16+esm30.41.0-0ubuntu1.16+esm40.41.0-0ubuntu1.16+esm50.41.0-0ubuntu1.16+esm60.41.0-0ubuntu1.16+esm70.41.0-0ubuntu1.16+esm8 |
None known |
popplerUbuntu:Pro:18.04:LTS |
All versions, plus listed versions 0.57.0-2ubuntu40.57.0-2ubuntu50.62.0-1ubuntu10.62.0-2ubuntu10.62.0-2ubuntu2 Show 21 moreShow less0.62.0-2ubuntu2.10.62.0-2ubuntu2.20.62.0-2ubuntu2.40.62.0-2ubuntu2.50.62.0-2ubuntu2.60.62.0-2ubuntu2.70.62.0-2ubuntu2.80.62.0-2ubuntu2.90.62.0-2ubuntu2.100.62.0-2ubuntu2.110.62.0-2ubuntu2.120.62.0-2ubuntu2.130.62.0-2ubuntu2.140.62.0-2ubuntu2.14+esm10.62.0-2ubuntu2.14+esm20.62.0-2ubuntu2.14+esm30.62.0-2ubuntu2.14+esm40.62.0-2ubuntu2.14+esm50.62.0-2ubuntu2.14+esm60.62.0-2ubuntu2.14+esm70.62.0-2ubuntu2.14+esm8 |
None known |
popplerUbuntu:Pro:20.04:LTS |
All versions, plus listed versions 0.80.0-0ubuntu10.80.0-0ubuntu30.80.0-0ubuntu40.80.0-0ubuntu50.85.0-1ubuntu1 Show 12 moreShow less0.85.0-1ubuntu30.86.1-0ubuntu10.86.1-0ubuntu1.10.86.1-0ubuntu1.20.86.1-0ubuntu1.30.86.1-0ubuntu1.40.86.1-0ubuntu1.50.86.1-0ubuntu1.60.86.1-0ubuntu1.70.86.1-0ubuntu1.7+esm10.86.1-0ubuntu1.7+esm20.86.1-0ubuntu1.7+esm3 |
None known |
popplerUbuntu:22.04:LTS |
All versions, plus listed versions 21.06.1-121.11.0-1~ubuntu222.02.0-222.02.0-2ubuntu0.122.02.0-2ubuntu0.2 Show 13 moreShow less22.02.0-2ubuntu0.322.02.0-2ubuntu0.422.02.0-2ubuntu0.522.02.0-2ubuntu0.622.02.0-2ubuntu0.722.02.0-2ubuntu0.822.02.0-2ubuntu0.922.02.0-2ubuntu0.1022.02.0-2ubuntu0.1122.02.0-2ubuntu0.1222.02.0-2ubuntu0.1322.02.0-2ubuntu0.1422.02.0-2ubuntu0.15 |
None known |
popplerUbuntu:24.04:LTS |
All versions, plus listed versions 23.08.0-2ubuntu123.12.0-1ubuntu224.02.0-1ubuntu224.02.0-1ubuntu824.02.0-1ubuntu9 Show 11 moreShow less24.02.0-1ubuntu9.124.02.0-1ubuntu9.224.02.0-1ubuntu9.324.02.0-1ubuntu9.424.02.0-1ubuntu9.524.02.0-1ubuntu9.624.02.0-1ubuntu9.724.02.0-1ubuntu9.824.02.0-1ubuntu9.924.02.0-1ubuntu9.1024.02.0-1ubuntu9.11 |
None known |
popplerUbuntu:26.10 |
All versions, plus listed versions 26.01.0-2build226.01.0-526.07.0-0ubuntu126.07.0-226.07.0-2ubuntu126.07.0-2ubuntu1.1 |
None known |
popplerUbuntu:26.04:LTS |
All versions, plus listed versions 25.03.0-1025.03.0-11.126.01.0-2build226.01.0-2ubuntu0.126.01.0-2ubuntu0.226.01.0-2ubuntu0.3 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-93311 is a medium vulnerability (CVSS 5.3) in Freedesktop Poppler, published September 18, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.56%, the 46th percentile. Fixed in poppler 0:26.08.0-1.5.hum1.
References
vuldb.com/vuln/406609
vuldb.com/vuln/406609/cti
vuldb.com/cve/CVE-2026-93311
vuldb.com/submit/942344
gitlab.freedesktop.org/poppler/poppler/-/work_items/1758
github.com/r1ck9-2q/cve_summit/blob/main/Shift-exponent-undefined-behavior-in-SampledFunction-Function.cc-376.md
Show 11 moreShow less
nvd.nist.gov/vuln/detail/CVE-2026-93311
github.com/advisories/GHSA-9p2x-92wc-v6h2
security-tracker.debian.org/tracker/CVE-2026-93311
access.redhat.com/errata/RHSA-2026:82452
access.redhat.com/security/cve/CVE-2026-93311
access.redhat.com/security/updates/classification
images.redhat.com
security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_82452.json
bugzilla.redhat.com/show_bug.cgi?id=2538609
cve.org/CVERecord?id=CVE-2026-93311
ubuntu.com/security/CVE-2026-93311