MEDIUM
The bytecode engine in ClamAV before 0.97.3 allows remote attackers to cause a denial of service (crash) via vectors related to "recursion level" and (1) libclamav/bytecode.c and (2) libclamav/bytecode_api.c
Published Nov 17, 2011
4.3
MEDIUMCVSS 2.0
EPSS 2.64%
Description
The bytecode engine in ClamAV before 0.97.3 allows remote attackers to cause a denial of service (crash) via vectors related to "recursion level" and (1) libclamav/bytecode.c and (2) libclamav/bytecode_api.c.
Affected products
No data.
OR
- ≤ 0.97.2
- 0.9
- 0.90
- 0.90
- 0.90
- 0.90
- 0.90
- 0.90.1
- 0.90.2
- 0.90.3
- 0.91
- 0.91
- 0.91
- 0.91.1
- 0.91.2
- 0.92
- 0.92.1
- 0.93
- 0.93.1
- 0.93.2
- 0.93.3
- 0.94
- 0.94.1
- 0.94.2
- 0.95
- 0.95
- 0.95
- 0.95
- 0.95
- 0.95.1
- 0.95.2
- 0.95.3
- 0.96
- 0.96
- 0.96
- 0.96.1
- 0.96.2
- 0.96.3
- 0.96.4
- 0.96.5
- 0.97
- 0.97
- 0.97.1
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.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
4.3 MEDIUM NVD
AV:N/AC:M/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
2.64% 0.02644
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
EPSS probability 0.02644
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 2.64% (0.02644) | 85.08th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.74% (0.02744) | 84.19th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.90% (0.01895) | 81.58th | v4 (v2025.03.14) |
| Mar 29, 2025 | 3.27% (0.03266) | 78.41th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.90% (0.01895) | 82.00th | v4 (v2025.03.14) |
| Dec 12, 2024 | 2.33% (0.02331) | 90.14th | v3 (v2023.03.01) |
| Jun 17, 2023 | 2.39% (0.02394) | 88.33th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.60% (0.02597) | 88.62th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.96% (0.01955) | 78.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.96% (0.01955) | 76.59th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.96% (0.01955) | 55.71th | v2 (v2022.01.01) |
Weaknesses (1)
References (10)
- http://git.clamav.net/gitweb?p=clamav-devel.git%3Ba=commitdiff%3Bh=3d664817f6ef833a17414a4ecea42004c35cc42f x_refsource_CONFIRM
- http://lists.fedoraproject.org/pipermail/package-announce/2011-November/068940.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2011-November/068941.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2011-November/068942.html vendor-advisoryx_refsource_FEDORA
- http://secunia.com/advisories/46717 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/46826 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://www.openwall.com/lists/oss-security/2011/10/18/1 mailing-listx_refsource_MLIST
- http://www.securityfocus.com/bid/50183 vdb-entryx_refsource_BID
- http://www.ubuntu.com/usn/USN-1258-1 vendor-advisoryx_refsource_UBUNTU
- https://bugzilla.redhat.com/show_bug.cgi?id=746984 x_refsource_MISC
| Link | Providers | Tags |
|---|---|---|
| http://git.clamav.net/gitweb?p=clamav-devel.git%3Ba=commitdiff%3Bh=3d664817f6ef833a17414a4ecea42004c35cc42f | x_refsource_CONFIRM | |
| http://lists.fedoraproject.org/pipermail/package-announce/2011-November/068940.html | vendor-advisoryx_refsource_FEDORA | |
| http://lists.fedoraproject.org/pipermail/package-announce/2011-November/068941.html | vendor-advisoryx_refsource_FEDORA | |
| http://lists.fedoraproject.org/pipermail/package-announce/2011-November/068942.html | vendor-advisoryx_refsource_FEDORA | |
| http://secunia.com/advisories/46717 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://secunia.com/advisories/46826 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://www.openwall.com/lists/oss-security/2011/10/18/1 | mailing-listx_refsource_MLIST | |
| http://www.securityfocus.com/bid/50183 | vdb-entryx_refsource_BID | |
| http://www.ubuntu.com/usn/USN-1258-1 | vendor-advisoryx_refsource_UBUNTU | |
| https://bugzilla.redhat.com/show_bug.cgi?id=746984 | x_refsource_MISC |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner redhat
Published Nov 17, 2011
Updated Aug 6, 2024
Reserved Sep 21, 2011
Link CVE-2011-3627
CISA Vulnrichment
Updated n/a