PyXML: hash table collisions CPU usage DoS (oCERT-2011-003)
Published Nov 22, 2019
7.5
HIGHCVSS 3.1
EPSS 1.91%
Description
PyXML: Hash table collisions CPU usage Denial of Service
Affected products
-
- Version through 2012-02-03StatusaffectedConstraints-
- Version
Configuration 2
- n/a
- 5.0
- 6.0
No data.
Red Hat Enterprise Linux 5
PyXML
Affected
Red Hat Enterprise Linux 6
PyXML
Affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | PyXML | Affected | n/a |
| Red Hat Enterprise Linux 6 | PyXML | Affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue affects the versions of xerces as shipped with Red Hat Enterprise Linux 6. Red Hat Product Security has rated this issue as having Moderate security impact. A future update may address this issue. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.
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:C
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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.91% (0.01906) | 79.00th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.91% (0.01906) | 76.98th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.79% (0.00793) | 72.27th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.36% (0.00361) | 73.13th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.32% (0.00319) | 69.73th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.32% (0.00319) | 65.80th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.02% (0.01018) | 38.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.02% (0.01018) | 36.86th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.02% (0.01018) | 19.50th | v2 (v2022.01.01) |
References (9)
- http://seclists.org/oss-sec/2014/q3/96 x_refsource_MISCMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2014/07/08/11 x_refsource_MISCMailing ListThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2012-0877 Vendor Advisory
- https://access.redhat.com/security/cve/cve-2012-0877 x_refsource_MISCThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=787109 Issue Tracking
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2012-0877 x_refsource_MISCIssue TrackingThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2012-0877
- https://security-tracker.debian.org/tracker/CVE-2012-0877 x_refsource_MISCThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2012-0877
| Link | Providers | Tags |
|---|---|---|
| http://seclists.org/oss-sec/2014/q3/96 | x_refsource_MISCMailing ListThird Party Advisory | |
| http://www.openwall.com/lists/oss-security/2014/07/08/11 | x_refsource_MISCMailing ListThird Party Advisory | |
| https://access.redhat.com/security/cve/CVE-2012-0877 | Vendor Advisory | |
| https://access.redhat.com/security/cve/cve-2012-0877 | x_refsource_MISCThird Party Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=787109 | Issue Tracking | |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2012-0877 | x_refsource_MISCIssue TrackingThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2012-0877 | ||
| https://security-tracker.debian.org/tracker/CVE-2012-0877 | x_refsource_MISCThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2012-0877 |
Change history (0)
No recorded changes yet.