CVE-2021-1252
Clam AntiVirus (ClamAV) Excel XLM Parser Denial of Service Vulnerability
A vulnerability in the Excel XLM macro parsing module in Clam AntiVirus (ClamAV) Software versions 0.103.0 and 0.103.1 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to improper error handling that may result in an infinite loop. An attacker could exploit this vulnerability by sending a crafted Excel file to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process hang, resulting in a denial of service condition.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Clam AntiVirus (ClamAV) Excel XLM Parser Denial of Service Vulnerability
A vulnerability in the Excel XLM macro parsing module in Clam AntiVirus (ClamAV) Software versions 0.103.0 and 0.103.1 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to improper error handling that may result in an infinite loop. An attacker could exploit this vulnerability by sending a crafted Excel file to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process hang, resulting in a denial of service condition.
- Record
CVE-2021-1252- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
EUVDEUVD-2021-6719
A vulnerability in the Excel XLM macro parsing module in Clam AntiVirus (ClamAV) Software versions 0.103.0 and 0.103.1 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to improper error handling that may result in an infinite loop. An attacker could exploit this vulnerability by sending a crafted Excel file to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process hang, resulting in a denial of service condition.
- Record
EUVD-2021-6719- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-5qm5-4fjv-ghcw
A vulnerability in the Excel XLM macro parsing module in Clam AntiVirus (ClamAV) Software...
A vulnerability in the Excel XLM macro parsing module in Clam AntiVirus (ClamAV) Software versions 0.103.0 and 0.103.1 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to improper error handling that may result in an infinite loop. An attacker could exploit this vulnerability by sending a crafted Excel file to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process hang, resulting in a denial of service condition.
- Record
GHSA-5qm5-4fjv-ghcw- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-20, CWE-835
- Updated
- 2026-11-02
NVD
A vulnerability in the Excel XLM macro parsing module in Clam AntiVirus (ClamAV) Software versions 0.103.0 and 0.103.1 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to improper error handling that may result in an infinite loop. An attacker could exploit this vulnerability by sending a crafted Excel file to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process hang, resulting in a denial of service condition.
- Record
CVE-2021-1252- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 7.8 High
AV:N/AC:L/Au:N/C:N/I:N/A:C - Weakness
- CWE-20, CWE-835
- Updated
- 2026-11-02
OSVALPINE-CVE-2021-1252
A vulnerability in the Excel XLM macro parsing module in Clam AntiVirus (ClamAV) Software versions 0.103.0 and 0.103.1 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to improper error handling that may result in an infinite loop. An attacker could exploit this vulnerability by sending a crafted Excel file to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process hang, resulting in a denial of service condition.
- Record
ALPINE-CVE-2021-1252- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-03
OSV
A vulnerability in the Excel XLM macro parsing module in Clam AntiVirus (ClamAV) Software versions 0.103.0 and 0.103.1 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to improper error handling that may result in an infinite loop. An attacker could exploit this vulnerability by sending a crafted Excel file to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process hang, resulting in a denial of service condition.
- Record
CVE-2021-1252- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Show 10 moreShow less
OSVDEBIAN-CVE-2021-1252
A vulnerability in the Excel XLM macro parsing module in Clam AntiVirus (ClamAV) Software versions 0.103.0 and 0.103.1 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to improper error handling that may result in an infinite loop. An attacker could exploit this vulnerability by sending a crafted Excel file to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process hang, resulting in a denial of service condition.
- Record
DEBIAN-CVE-2021-1252- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2021-1252
A vulnerability in the Excel XLM macro parsing module in Clam AntiVirus (ClamAV) Software versions 0.103.0 and 0.103.1 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to improper error handling that may result in an infinite loop. An attacker could exploit this vulnerability by sending a crafted Excel file to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process hang, resulting in a denial of service condition.
- Record
UBUNTU-CVE-2021-1252- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVopenSUSE-SU-2021:0555-1 No score
Security update for clamav
This update for clamav fixes the following issues:
- CVE-2021-1252: Fix for Excel XLM parser infinite loop. (bsc#1184532)
- CVE-2021-1404: Fix for PDF parser buffer over-read; possible crash. (bsc#1184533)
- CVE-2021-1405: Fix for mail parser NULL-dereference crash. (bsc#1184534)
- Fix errors when scanning files > 4G (bsc#1181256)
- Update clamav.keyring
- Update to 0.103.2
This update was imported from the SUSE:SLE-15:Update update project.
- Record
openSUSE-SU-2021:0555-1- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:10685-1 No score
clamav-0.103.3-1.4 on GA media
These are all security issues fixed in the clamav-0.103.3-1.4 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:10685-1- Updated
- 2026-11-02
OSVSUSE-SU-2021:1174-1 No score
Security update for clamav
This update for clamav fixes the following issues:
- CVE-2021-1252: Fix for Excel XLM parser infinite loop. (bsc#1184532)
- CVE-2021-1404: Fix for PDF parser buffer over-read; possible crash. (bsc#1184533)
- CVE-2021-1405: Fix for mail parser NULL-dereference crash. (bsc#1184534)
- Fix errors when scanning files > 4G (bsc#1181256)
- Update clamav.keyring
- Update to 0.103.2
- Record
SUSE-SU-2021:1174-1- Updated
- 2026-11-02
OSVSUSE-SU-2021:1189-1 No score
Security update for clamav
This update for clamav fixes the following issues:
- CVE-2021-1252: Fix for Excel XLM parser infinite loop. (bsc#1184532)
- CVE-2021-1404: Fix for PDF parser buffer over-read; possible crash. (bsc#1184533)
- CVE-2021-1405: Fix for mail parser NULL-dereference crash. (bsc#1184534)
- Fix errors when scanning files > 4G (bsc#1181256)
- Update clamav.keyring
- Update to 0.103.2
- Record
SUSE-SU-2021:1189-1- Updated
- 2026-11-02
OSVSUSE-SU-2021:1190-1 No score
Security update for clamav
This update for clamav fixes the following issues:
- CVE-2021-1252: Fix for Excel XLM parser infinite loop. (bsc#1184532)
- CVE-2021-1404: Fix for PDF parser buffer over-read; possible crash. (bsc#1184533)
- CVE-2021-1405: Fix for mail parser NULL-dereference crash. (bsc#1184534)
- Fix errors when scanning files > 4G (bsc#1181256)
- Update clamav.keyring
- Update to 0.103.2
- Record
SUSE-SU-2021:1190-1- Updated
- 2026-11-02
OSVSUSE-SU-2021:14692-1 No score
Security update for clamav
This update for clamav fixes the following issues:
- CVE-2021-1252: Fix for Excel XLM parser infinite loop. (bsc#1184532)
- CVE-2021-1404: Fix for PDF parser buffer over-read; possible crash. (bsc#1184533)
- CVE-2021-1405: Fix for mail parser NULL-dereference crash. (bsc#1184534)
- Fix errors when scanning files > 4G (bsc#1181256)
- Update clamav.keyring
- Update to 0.103.2
- Record
SUSE-SU-2021:14692-1- Updated
- 2026-11-02
OSVUSN-4918-1 No score
clamav vulnerabilities
It was discovered that ClamAV incorrectly handled parsing Excel documents. A remote attacker could possibly use this issue to cause ClamAV to hang, resulting in a denial of service. (CVE-2021-1252)
It was discovered that ClamAV incorrectly handled parsing PDF documents. A remote attacker could possibly use this issue to cause ClamAV to crash, resulting in a denial of service. (CVE-2021-1404)
It was discovered that ClamAV incorrectly handled parsing email. A remote attacker could possibly use this issue to cause ClamAV to crash, resulting in a denial of service. (CVE-2021-1405)
- Record
USN-4918-1- Updated
- 2026-11-02
OSVUSN-4918-2 No score
clamav vulnerabilities
USN-4918-1 fixed several vulnerabilities in ClamAV. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details:
It was discovered that ClamAV incorrectly handled parsing Excel documents. A remote attacker could possibly use this issue to cause ClamAV to hang, resulting in a denial of service. (CVE-2021-1252)
It was discovered that ClamAV incorrectly handled parsing PDF documents. A remote attacker could possibly use this issue to cause ClamAV to crash, resulting in a denial of service. (CVE-2021-1404)
It was discovered that ClamAV incorrectly handled parsing email. A remote attacker could possibly use this issue to cause ClamAV to crash, resulting in a denial of service. (CVE-2021-1405)
- Record
USN-4918-2- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
clamavAlpine:v3.11 |
before 0.103.2-r0 | 0.103.2-r0 |
clamavAlpine:v3.12 |
before 0.103.2-r0 | 0.103.2-r0 |
clamavAlpine:v3.13 |
before 0.103.2-r0 | 0.103.2-r0 |
clamavAlpine:v3.14 |
before 0.103.2-r0 | 0.103.2-r0 |
clamavAlpine:v3.15 |
before 0.103.2-r0 | 0.103.2-r0 |
clamavAlpine:v3.16 |
before 0.103.2-r0 | 0.103.2-r0 |
clamavAlpine:v3.17 |
before 0.103.2-r0 | 0.103.2-r0 |
clamavAlpine:v3.18 |
before 0.103.2-r0 | 0.103.2-r0 |
clamavAlpine:v3.19 |
before 0.103.2-r0 | 0.103.2-r0 |
clamavAlpine:v3.20 |
before 0.103.2-r0 | 0.103.2-r0 |
Show 46 moreShow less
| Package | Affected | Fixed |
|---|---|---|
clamavAlpine:v3.21 |
before 0.103.2-r0 | 0.103.2-r0 |
clamavAlpine:v3.22 |
before 0.103.2-r0 | 0.103.2-r0 |
clamavAlpine:v3.23 |
before 0.103.2-r0 | 0.103.2-r0 |
clamavAlpine:v3.24 |
before 0.103.2-r0 | 0.103.2-r0 |
clamavDebian:12 |
before 0.103.2+dfsg-1 | 0.103.2+dfsg-1 |
clamavDebian:13 |
before 0.103.2+dfsg-1 | 0.103.2+dfsg-1 |
clamavDebian:14 |
before 0.103.2+dfsg-1 | 0.103.2+dfsg-1 |
clamavSUSE:Linux Enterprise Server 12 SP5 From an advisory covering 3 CVEs |
before 0.103.2-3.6.1 | 0.103.2-3.6.1 |
clamavSUSE:Linux Enterprise Server for SAP Applications 12 SP5 From an advisory covering 3 CVEs |
before 0.103.2-3.6.1 | 0.103.2-3.6.1 |
clamavSUSE:HPE Helion OpenStack 8 From an advisory covering 3 CVEs |
before 0.103.2-33.35.1 | 0.103.2-33.35.1 |
clamavSUSE:OpenStack Cloud 8 From an advisory covering 3 CVEs |
before 0.103.2-33.35.1 | 0.103.2-33.35.1 |
clamavSUSE:OpenStack Cloud 9 From an advisory covering 3 CVEs |
before 0.103.2-33.35.1 | 0.103.2-33.35.1 |
clamavSUSE:OpenStack Cloud Crowbar 8 From an advisory covering 3 CVEs |
before 0.103.2-33.35.1 | 0.103.2-33.35.1 |
clamavSUSE:OpenStack Cloud Crowbar 9 From an advisory covering 3 CVEs |
before 0.103.2-33.35.1 | 0.103.2-33.35.1 |
clamavSUSE:Linux Enterprise Server for SAP Applications 12 SP3 From an advisory covering 3 CVEs |
before 0.103.2-33.35.1 | 0.103.2-33.35.1 |
clamavSUSE:Linux Enterprise Server for SAP Applications 12 SP4 From an advisory covering 3 CVEs |
before 0.103.2-33.35.1 | 0.103.2-33.35.1 |
clamavSUSE:Linux Enterprise Server 12 SP2-BCL From an advisory covering 3 CVEs |
before 0.103.2-33.35.1 | 0.103.2-33.35.1 |
clamavSUSE:Linux Enterprise Server 12 SP3-LTSS From an advisory covering 3 CVEs |
before 0.103.2-33.35.1 | 0.103.2-33.35.1 |
clamavSUSE:Linux Enterprise Server 12 SP3-BCL From an advisory covering 3 CVEs |
before 0.103.2-33.35.1 | 0.103.2-33.35.1 |
clamavSUSE:Linux Enterprise Server 12 SP4-LTSS From an advisory covering 3 CVEs |
before 0.103.2-33.35.1 | 0.103.2-33.35.1 |
clamavSUSE:Linux Enterprise Module for Basesystem 15 SP2 From an advisory covering 3 CVEs |
before 0.103.2-3.26.1 | 0.103.2-3.26.1 |
clamavSUSE:Linux Enterprise High Performance Computing 15-ESPOS From an advisory covering 3 CVEs |
before 0.103.2-3.26.1 | 0.103.2-3.26.1 |
clamavSUSE:Linux Enterprise High Performance Computing 15-LTSS From an advisory covering 3 CVEs |
before 0.103.2-3.26.1 | 0.103.2-3.26.1 |
clamavSUSE:Linux Enterprise High Performance Computing 15 SP1-ESPOS From an advisory covering 3 CVEs |
before 0.103.2-3.26.1 | 0.103.2-3.26.1 |
clamavSUSE:Linux Enterprise High Performance Computing 15 SP1-LTSS From an advisory covering 3 CVEs |
before 0.103.2-3.26.1 | 0.103.2-3.26.1 |
clamavSUSE:Linux Enterprise Server 15-LTSS From an advisory covering 3 CVEs |
before 0.103.2-3.26.1 | 0.103.2-3.26.1 |
clamavSUSE:Linux Enterprise Server 15 SP1-BCL From an advisory covering 3 CVEs |
before 0.103.2-3.26.1 | 0.103.2-3.26.1 |
clamavSUSE:Linux Enterprise Server 15 SP1-LTSS From an advisory covering 3 CVEs |
before 0.103.2-3.26.1 | 0.103.2-3.26.1 |
clamavSUSE:Linux Enterprise Server for SAP Applications 15 From an advisory covering 3 CVEs |
before 0.103.2-3.26.1 | 0.103.2-3.26.1 |
clamavSUSE:Linux Enterprise Server for SAP Applications 15 SP1 From an advisory covering 3 CVEs |
before 0.103.2-3.26.1 | 0.103.2-3.26.1 |
clamavSUSE:Manager Proxy 4.0 From an advisory covering 3 CVEs |
before 0.103.2-3.26.1 | 0.103.2-3.26.1 |
clamavSUSE:Manager Retail Branch Server 4.0 From an advisory covering 3 CVEs |
before 0.103.2-3.26.1 | 0.103.2-3.26.1 |
clamavSUSE:Manager Server 4.0 From an advisory covering 3 CVEs |
before 0.103.2-3.26.1 | 0.103.2-3.26.1 |
clamavSUSE:Enterprise Storage 6 From an advisory covering 3 CVEs |
before 0.103.2-3.26.1 | 0.103.2-3.26.1 |
clamavSUSE:Linux Enterprise Point of Sale 11 SP3 From an advisory covering 3 CVEs |
before 0.103.2-0.20.35.1 | 0.103.2-0.20.35.1 |
clamavSUSE:Linux Enterprise Server 11 SP4-LTSS From an advisory covering 3 CVEs |
before 0.103.2-0.20.35.1 | 0.103.2-0.20.35.1 |
clamavUbuntu:Pro:14.04:LTS |
before 0.103.2+dfsg-0ubuntu0.14.04.1+esm1, plus listed versions 0.97.8+dfsg-1ubuntu40.97.8+dfsg-1ubuntu50.98.1+dfsg-1ubuntu40.98.1+dfsg-1ubuntu50.98.1+dfsg-2ubuntu2 Show 22 moreShow less0.98.1+dfsg-4ubuntu10.98.1+dfsg-4ubuntu1.10.98.5+addedllvm-0ubuntu0.14.04.10.98.6+dfsg-0ubuntu0.14.04.10.98.7+dfsg-0ubuntu0.14.04.10.99.2+addedllvm-0ubuntu0.14.04.10.99.2+addedllvm-0ubuntu0.14.04.20.99.3+addedllvm-0ubuntu0.14.04.10.99.4+addedllvm-0ubuntu0.14.04.10.100.1+dfsg-1ubuntu0.14.04.10.100.1+dfsg-1ubuntu0.14.04.20.100.1+dfsg-1ubuntu0.14.04.30.100.1+dfsg-1ubuntu0.14.04.40.100.2+dfsg-1ubuntu0.14.04.10.100.2+dfsg-1ubuntu0.14.04.20.100.3+dfsg-0ubuntu0.14.04.10.100.3+dfsg-0ubuntu0.14.04.1+esm10.101.4+dfsg-0ubuntu0.14.04.1+esm10.102.1+dfsg-0ubuntu0.14.04.1+esm10.102.2+dfsg-0ubuntu0.14.04.1+esm10.102.3+dfsg-0ubuntu0.14.04.1+esm10.102.4+dfsg-0ubuntu0.14.04.1+esm1 |
0.103.2+dfsg-0ubuntu0.14.04.1+esm1 |
clamavUbuntu:16.04:LTS |
before 0.103.2+dfsg-0ubuntu0.16.04.1, plus listed versions 0.98.7+dfsg-0ubuntu40.98.7+dfsg-0ubuntu50.99+dfsg-1ubuntu10.99+dfsg-1ubuntu1.10.99+dfsg-1ubuntu1.2 Show 15 moreShow less0.99.2+dfsg-0ubuntu0.16.04.10.99.2+dfsg-0ubuntu0.16.04.20.99.2+dfsg-0ubuntu0.16.04.30.99.3+addedllvm-0ubuntu0.16.04.10.99.4+addedllvm-0ubuntu0.16.04.10.100.1+dfsg-1ubuntu0.16.04.10.100.1+dfsg-1ubuntu0.16.04.20.100.1+dfsg-1ubuntu0.16.04.30.100.2+dfsg-1ubuntu0.16.04.10.100.3+dfsg-0ubuntu0.16.04.10.101.4+dfsg-0ubuntu0.16.04.10.102.1+dfsg-0ubuntu0.16.04.20.102.2+dfsg-0ubuntu0.16.04.10.102.3+dfsg-0ubuntu0.16.04.10.102.4+dfsg-0ubuntu0.16.04.1 |
0.103.2+dfsg-0ubuntu0.16.04.1 |
clamavUbuntu:18.04:LTS |
before 0.103.2+dfsg-0ubuntu0.18.04.1, plus listed versions 0.99.2+dfsg-6ubuntu20.99.3~beta1+dfsg-2ubuntu10.99.3~beta1+dfsg-2ubuntu20.99.3+addedllvm-0ubuntu10.99.3+addedllvm-0ubuntu2 Show 11 moreShow less0.99.4+addedllvm-0ubuntu10.100.1+dfsg-1ubuntu0.18.04.10.100.1+dfsg-1ubuntu0.18.04.20.100.1+dfsg-1ubuntu0.18.04.30.100.2+dfsg-1ubuntu0.18.04.10.100.3+dfsg-0ubuntu0.18.04.10.101.4+dfsg-0ubuntu0.18.04.10.102.1+dfsg-0ubuntu0.18.04.20.102.2+dfsg-0ubuntu0.18.04.10.102.3+dfsg-0ubuntu0.18.04.10.102.4+dfsg-0ubuntu0.18.04.1 |
0.103.2+dfsg-0ubuntu0.18.04.1 |
clamavUbuntu:20.04:LTS |
before 0.103.2+dfsg-0ubuntu0.20.04.1, plus listed versions 0.101.4+dfsg-1ubuntu10.102.1+dfsg-1ubuntu10.102.1+dfsg-2ubuntu10.102.1+dfsg-2ubuntu20.102.2+dfsg-1ubuntu10.102.2+dfsg-2ubuntu10.102.3+dfsg-0ubuntu0.20.04.10.102.4+dfsg-0ubuntu0.20.04.1 |
0.103.2+dfsg-0ubuntu0.20.04.1 |
clamavUbuntu:16.04:LTS From an advisory covering 3 CVEs |
before 0.103.2+dfsg-0ubuntu0.16.04.1, plus listed versions 0.98.7+dfsg-0ubuntu40.98.7+dfsg-0ubuntu50.99+dfsg-1ubuntu10.99+dfsg-1ubuntu1.10.99+dfsg-1ubuntu1.2 Show 15 moreShow less0.99.2+dfsg-0ubuntu0.16.04.10.99.2+dfsg-0ubuntu0.16.04.20.99.2+dfsg-0ubuntu0.16.04.30.99.3+addedllvm-0ubuntu0.16.04.10.99.4+addedllvm-0ubuntu0.16.04.10.100.1+dfsg-1ubuntu0.16.04.10.100.1+dfsg-1ubuntu0.16.04.20.100.1+dfsg-1ubuntu0.16.04.30.100.2+dfsg-1ubuntu0.16.04.10.100.3+dfsg-0ubuntu0.16.04.10.101.4+dfsg-0ubuntu0.16.04.10.102.1+dfsg-0ubuntu0.16.04.20.102.2+dfsg-0ubuntu0.16.04.10.102.3+dfsg-0ubuntu0.16.04.10.102.4+dfsg-0ubuntu0.16.04.1 |
0.103.2+dfsg-0ubuntu0.16.04.1 |
clamavUbuntu:18.04:LTS From an advisory covering 3 CVEs |
before 0.103.2+dfsg-0ubuntu0.18.04.1, plus listed versions 0.99.2+dfsg-6ubuntu20.99.3~beta1+dfsg-2ubuntu10.99.3~beta1+dfsg-2ubuntu20.99.3+addedllvm-0ubuntu10.99.3+addedllvm-0ubuntu2 Show 11 moreShow less0.99.4+addedllvm-0ubuntu10.100.1+dfsg-1ubuntu0.18.04.10.100.1+dfsg-1ubuntu0.18.04.20.100.1+dfsg-1ubuntu0.18.04.30.100.2+dfsg-1ubuntu0.18.04.10.100.3+dfsg-0ubuntu0.18.04.10.101.4+dfsg-0ubuntu0.18.04.10.102.1+dfsg-0ubuntu0.18.04.20.102.2+dfsg-0ubuntu0.18.04.10.102.3+dfsg-0ubuntu0.18.04.10.102.4+dfsg-0ubuntu0.18.04.1 |
0.103.2+dfsg-0ubuntu0.18.04.1 |
clamavUbuntu:20.04:LTS From an advisory covering 3 CVEs |
before 0.103.2+dfsg-0ubuntu0.20.04.1, plus listed versions 0.101.4+dfsg-1ubuntu10.102.1+dfsg-1ubuntu10.102.1+dfsg-2ubuntu10.102.1+dfsg-2ubuntu20.102.2+dfsg-1ubuntu10.102.2+dfsg-2ubuntu10.102.3+dfsg-0ubuntu0.20.04.10.102.4+dfsg-0ubuntu0.20.04.1 |
0.103.2+dfsg-0ubuntu0.20.04.1 |
clamavUbuntu:Pro:14.04:LTS From an advisory covering 3 CVEs |
before 0.103.2+dfsg-0ubuntu0.14.04.1+esm1, plus listed versions 0.97.8+dfsg-1ubuntu40.97.8+dfsg-1ubuntu50.98.1+dfsg-1ubuntu40.98.1+dfsg-1ubuntu50.98.1+dfsg-2ubuntu2 Show 22 moreShow less0.98.1+dfsg-4ubuntu10.98.1+dfsg-4ubuntu1.10.98.5+addedllvm-0ubuntu0.14.04.10.98.6+dfsg-0ubuntu0.14.04.10.98.7+dfsg-0ubuntu0.14.04.10.99.2+addedllvm-0ubuntu0.14.04.10.99.2+addedllvm-0ubuntu0.14.04.20.99.3+addedllvm-0ubuntu0.14.04.10.99.4+addedllvm-0ubuntu0.14.04.10.100.1+dfsg-1ubuntu0.14.04.10.100.1+dfsg-1ubuntu0.14.04.20.100.1+dfsg-1ubuntu0.14.04.30.100.1+dfsg-1ubuntu0.14.04.40.100.2+dfsg-1ubuntu0.14.04.10.100.2+dfsg-1ubuntu0.14.04.20.100.3+dfsg-0ubuntu0.14.04.10.100.3+dfsg-0ubuntu0.14.04.1+esm10.101.4+dfsg-0ubuntu0.14.04.1+esm10.102.1+dfsg-0ubuntu0.14.04.1+esm10.102.2+dfsg-0ubuntu0.14.04.1+esm10.102.3+dfsg-0ubuntu0.14.04.1+esm10.102.4+dfsg-0ubuntu0.14.04.1+esm1 |
0.103.2+dfsg-0ubuntu0.14.04.1+esm1 |
clamavopenSUSE:Leap 15.2 From an advisory covering 3 CVEs |
before 0.103.2-lp152.6.6.1 | 0.103.2-lp152.6.6.1 |
clamavopenSUSE:Tumbleweed From an advisory covering 55 CVEs |
before 0.103.3-1.4 | 0.103.3-1.4 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| affected | OSV | |
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-1252 is a high vulnerability (CVSS 7.5) in Cisco Clamav, published April 8, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.52%, the 84th percentile. Fixed in clamav 0.103.2-r0.
References
blog.clamav.net/2021/04/clamav-01032-security-patch-release.html
nvd.nist.gov/vuln/detail/CVE-2021-1252
github.com/advisories/GHSA-5qm5-4fjv-ghcw
security.alpinelinux.org/vuln/CVE-2021-1252
security-tracker.debian.org/tracker/CVE-2021-1252
suse.com/support/update/announcement/2021/suse-su-20211174-1
Show 70 moreShow less
bugzilla.suse.com/1181256
ubuntu.com/security/CVE-2021-1252
cve.org/CVERecord?id=CVE-2021-1252
lists.opensuse.org/archives/list/[email protected]/thread/Y6VSAMGIC5SWPJK6HWIGRENALM6YMT46