ClamAV PDF Parsing Denial of Service Vulnerability
Published May 13, 2020
7.5
HIGHCVSS 3.1
EPSS 3.45%
Description
A vulnerability in the PDF archive parsing module in Clam AntiVirus (ClamAV) Software versions 0.101 - 0.102.2 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to a stack buffer overflow read. An attacker could exploit this vulnerability by sending a crafted PDF file to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process crash, resulting in a denial of service condition.
Affected products
-
- Version unspecifiedStatusaffectedConstraints<0.102.3
- Version
Configuration 1
- ≥ 0.101 · ≤ 0.102.2
Configuration 2
- 12.04
- 14.04
- 16.04
- 18.04
- 19.10
- 20.04
Configuration 3
- 30
- 31
- 32
Configuration 4
- 8.0
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
YesTechnical Impact
PartialDecision
n/aAssessed Nov 15, 2024 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (24 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 3.45% (0.03448) | 88.63th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.36% (0.03363) | 87.12th | v5 (v2026.06.15) |
| May 31, 2026 | 5.51% (0.05506) | 90.38th | v4 (v2025.03.14) |
| Dec 1, 2025 | 4.11% (0.04112) | 88.24th | v4 (v2025.03.14) |
| Nov 21, 2025 | 5.71% (0.05708) | 90.00th | v4 (v2025.03.14) |
| Nov 18, 2025 | 3.86% (0.03856) | 87.08th | v4 (v2025.03.14) |
| Jul 11, 2025 | 5.07% (0.05068) | 89.31th | v4 (v2025.03.14) |
| Mar 30, 2025 | 6.42% (0.06424) | 90.12th | v4 (v2025.03.14) |
| Mar 29, 2025 | 9.62% (0.09617) | 88.04th | v4 (v2025.03.14) |
| Mar 17, 2025 | 6.42% (0.06424) | 90.36th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.69% (0.00686) | 80.74th | v3 (v2023.03.01) |
| Apr 18, 2024 | 0.69% (0.00686) | 79.83th | v3 (v2023.03.01) |
| Apr 2, 2024 | 0.60% (0.00601) | 78.07th | v3 (v2023.03.01) |
| Mar 1, 2024 | 0.63% (0.00626) | 78.42th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.52% (0.00524) | 76.22th | v3 (v2023.03.01) |
| Nov 8, 2023 | 0.52% (0.00524) | 74.21th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.45% (0.00452) | 71.24th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.32% (0.01319) | 71.27th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.32% (0.01319) | 69.22th | v2 (v2022.01.01) |
| Feb 4, 2022 | 21.57% (0.21571) | 94.23th | v2 (v2022.01.01) |
| Feb 3, 2022 | 10.62% (0.10619) | 87.74th | v1 |
| Jan 6, 2022 | 10.62% (0.10619) | 87.59th | v1 |
| Jan 5, 2022 | 2.58% (0.02580) | 79.73th | v5 (v2026.06.15) |
| Apr 14, 2021 | 2.58% (0.02580) | 0.00th | v1 |
References (7)
- https://blog.clamav.net/2020/05/clamav-01023-security-patch-released.html vendor-advisoryx_refsource_CISCOVendor Advisory
- https://lists.debian.org/debian-lts-announce/2020/05/msg00018.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3BMTC7I5LGY4FCIZLHPNC4WWC6VNLFER/ vendor-advisoryx_refsource_FEDORA
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L5YWYT27SBTV4RZSGFHIQUI4LQVFASWS/ vendor-advisoryx_refsource_FEDORA
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ROBJOGJOT44MVDX7RQEACYHQN4LYW5RK/ vendor-advisoryx_refsource_FEDORA
- https://usn.ubuntu.com/4370-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://usn.ubuntu.com/4370-2/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://blog.clamav.net/2020/05/clamav-01023-security-patch-released.html | vendor-advisoryx_refsource_CISCOVendor Advisory | |
| https://lists.debian.org/debian-lts-announce/2020/05/msg00018.html | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3BMTC7I5LGY4FCIZLHPNC4WWC6VNLFER/ | vendor-advisoryx_refsource_FEDORA | |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L5YWYT27SBTV4RZSGFHIQUI4LQVFASWS/ | vendor-advisoryx_refsource_FEDORA | |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ROBJOGJOT44MVDX7RQEACYHQN4LYW5RK/ | vendor-advisoryx_refsource_FEDORA | |
| https://usn.ubuntu.com/4370-1/ | vendor-advisoryx_refsource_UBUNTUThird Party Advisory | |
| https://usn.ubuntu.com/4370-2/ | vendor-advisoryx_refsource_UBUNTUThird Party Advisory |
Change history (0)
No recorded changes yet.