LuaExpat before 1.2.0 does not properly detect recursion during entity expansion, which allows remote attackers to cause a denial of service (memory and CPU consumption) via a crafted XML document containing a large number of nested entity references, a similar issue to CVE-2003-1564
Published Jun 21, 2011
5.0
MEDIUMCVSS 2.0
EPSS 1.75%
Description
LuaExpat before 1.2.0 does not properly detect recursion during entity expansion, which allows remote attackers to cause a denial of service (memory and CPU consumption) via a crafted XML document containing a large number of nested entity references, a similar issue to CVE-2003-1564.
Affected products
No data.
- ≤ 1.1.0
- 1.0
- 1.0.1
- 1.0.2
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.
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
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 (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.75% (0.01745) | 76.95th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.75% (0.01745) | 74.77th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.19% (0.01190) | 77.40th | v4 (v2025.03.14) |
| Dec 17, 2024 | 13.51% (0.13515) | 95.58th | v3 (v2023.03.01) |
| Mar 7, 2023 | 4.11% (0.04114) | 90.81th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.32% (0.01319) | 71.27th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.32% (0.01319) | 71.23th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.32% (0.01319) | 69.22th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.32% (0.01319) | 44.98th | v2 (v2022.01.01) |
References (7)
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=629225 x_refsource_CONFIRM
- http://secunia.com/advisories/44866 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://www.openwall.com/lists/oss-security/2011/06/06/19 mailing-listx_refsource_MLIST
- http://www.openwall.com/lists/oss-security/2011/06/06/4 mailing-listx_refsource_MLIST
- http://www.securityfocus.com/bid/48123 vdb-entryx_refsource_BID
- https://bugzilla.redhat.com/show_bug.cgi?id=711027 x_refsource_CONFIRM
- https://exchange.xforce.ibmcloud.com/vulnerabilities/67862 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=629225 | x_refsource_CONFIRM | |
| http://secunia.com/advisories/44866 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://www.openwall.com/lists/oss-security/2011/06/06/19 | mailing-listx_refsource_MLIST | |
| http://www.openwall.com/lists/oss-security/2011/06/06/4 | mailing-listx_refsource_MLIST | |
| http://www.securityfocus.com/bid/48123 | vdb-entryx_refsource_BID | |
| https://bugzilla.redhat.com/show_bug.cgi?id=711027 | x_refsource_CONFIRM | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/67862 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.