expat: resource leak in readfilemap.c
Published Jul 3, 2012
4.3
MEDIUMCVSS 2.0
EPSS 2.57%
Description
readfilemap.c in expat before 2.1.0 allows context-dependent attackers to cause a denial of service (file descriptor consumption) via a large number of crafted XML files.
Affected products
No data.
Configuration 2
- ≤ 2.0.1
- 1.95.1
- 1.95.2
- 1.95.4
- 1.95.5
- 1.95.6
- 1.95.7
- 1.95.8
- 2.0.0
No data.
Red Hat Directory Server 8
expat
Not affected
Red Hat Enterprise Linux 4
expat
Not affected
Red Hat Enterprise Linux 5
expat
Not affected
Red Hat Enterprise Linux 6
compat-expat1
Not affected
Red Hat Enterprise Linux 6
expat
Not affected
Red Hat Enterprise Linux 6
mingw32-expat
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Directory Server 8 | expat | Not affected | n/a |
| Red Hat Enterprise Linux 4 | expat | Not affected | n/a |
| Red Hat Enterprise Linux 5 | expat | Not affected | n/a |
| Red Hat Enterprise Linux 6 | compat-expat1 | Not affected | n/a |
| Red Hat Enterprise Linux 6 | expat | Not affected | n/a |
| Red Hat Enterprise Linux 6 | mingw32-expat | Will not fix | n/a |
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 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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.57% (0.02567) | 84.58th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.48% (0.02477) | 82.42th | v5 (v2026.06.15) |
| Mar 29, 2025 | 1.75% (0.01747) | 71.21th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.50% (0.00501) | 63.92th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.19% (0.00190) | 57.76th | v3 (v2023.03.01) |
| Jul 10, 2024 | 0.19% (0.00190) | 56.75th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.19% (0.00190) | 54.72th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.54% (0.01537) | 74.52th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.54% (0.01537) | 74.48th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.54% (0.01537) | 72.41th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.54% (0.01537) | 51.33th | v2 (v2022.01.01) |
References (13)
- http://expat.cvs.sourceforge.net/viewvc/expat/expat/xmlwf/readfilemap.c?r1=1.14&r2=1.15 x_refsource_CONFIRM
- http://lists.apple.com/archives/security-announce/2015/Dec/msg00005.html vendor-advisoryx_refsource_APPLEVendor Advisory
- http://sourceforge.net/projects/expat/files/expat/2.1.0/ x_refsource_CONFIRM
- http://sourceforge.net/tracker/?func=detail&aid=2895533&group_id=10127&atid=110127 x_refsource_CONFIRM
- http://trac.wxwidgets.org/ticket/11194 x_refsource_MISC
- http://trac.wxwidgets.org/ticket/11432 x_refsource_MISC
- http://www.securityfocus.com/bid/52379 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1034344 vdb-entryx_refsource_SECTRACK
- https://access.redhat.com/security/cve/CVE-2012-1147 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=801634 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2012-1147
- https://support.apple.com/HT205637 x_refsource_CONFIRMVendor Advisory
- https://www.cve.org/CVERecord?id=CVE-2012-1147
| Link | Providers | Tags |
|---|---|---|
| http://expat.cvs.sourceforge.net/viewvc/expat/expat/xmlwf/readfilemap.c?r1=1.14&r2=1.15 | x_refsource_CONFIRM | |
| http://lists.apple.com/archives/security-announce/2015/Dec/msg00005.html | vendor-advisoryx_refsource_APPLEVendor Advisory | |
| http://sourceforge.net/projects/expat/files/expat/2.1.0/ | x_refsource_CONFIRM | |
| http://sourceforge.net/tracker/?func=detail&aid=2895533&group_id=10127&atid=110127 | x_refsource_CONFIRM | |
| http://trac.wxwidgets.org/ticket/11194 | x_refsource_MISC | |
| http://trac.wxwidgets.org/ticket/11432 | x_refsource_MISC | |
| http://www.securityfocus.com/bid/52379 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id/1034344 | vdb-entryx_refsource_SECTRACK | |
| https://access.redhat.com/security/cve/CVE-2012-1147 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=801634 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2012-1147 | ||
| https://support.apple.com/HT205637 | x_refsource_CONFIRMVendor Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2012-1147 |
Change history (0)
No recorded changes yet.