mingw32-libxml2: Stack overflow by parsing root XML element DTD definition
Published Aug 11, 2009
4.3
MEDIUMCVSS 2.0
EPSS 3.15%
Description
Stack consumption vulnerability in libxml2 2.5.10, 2.6.16, 2.6.26, 2.6.27, and 2.6.32, and libxml 1.8.17, allows context-dependent attackers to cause a denial of service (application crash) via a large depth of element declarations in a DTD, related to a function recursion, as demonstrated by the Codenomicon XML fuzzing framework.
Affected products
No data.
No data.
Red Hat Enterprise Linux 3
libxml-1:1.8.17-9.3
Fixed · RHSA-2009:1206
Red Hat Enterprise Linux 3
libxml2-0:2.5.10-15
Fixed · RHSA-2009:1206
Red Hat Enterprise Linux 4
libxml2-0:2.6.16-12.7
Fixed · RHSA-2009:1206
Red Hat Enterprise Linux 5
libxml2-0:2.6.26-2.1.2.8
Fixed · RHSA-2009:1206
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 3 | libxml-1:1.8.17-9.3 | Fixed | RHSA-2009:1206 |
| Red Hat Enterprise Linux 3 | libxml2-0:2.5.10-15 | Fixed | RHSA-2009:1206 |
| Red Hat Enterprise Linux 4 | libxml2-0:2.6.16-12.7 | Fixed | RHSA-2009:1206 |
| Red Hat Enterprise Linux 5 | libxml2-0:2.6.26-2.1.2.8 | Fixed | RHSA-2009:1206 |
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:M/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 3, 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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 3.15% (0.03147) | 87.50th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.12% (0.03121) | 86.10th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.07% (0.01069) | 75.74th | v4 (v2025.03.14) |
| Mar 29, 2025 | 3.61% (0.03610) | 79.42th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.07% (0.01069) | 76.19th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.23% (0.00232) | 62.21th | v3 (v2023.03.01) |
| Jun 20, 2024 | 0.23% (0.00232) | 61.53th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.23% (0.00232) | 59.52th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.69% (0.02686) | 82.85th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.69% (0.02686) | 81.17th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.69% (0.02686) | 62.66th | v2 (v2022.01.01) |
References (39)
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Change history (0)
No recorded changes yet.