libxml2: infinite loop when entity is used in entity definition
Published Oct 3, 2008
5.0
MEDIUMCVSS 2.0
EPSS 8.53%
Description
libxml2 2.7.0 and 2.7.1 does not properly handle "predefined entities definitions" in entities, which allows context-dependent attackers to cause a denial of service (memory consumption and application crash), as demonstrated by use of xmllint on a certain XML document, a different vulnerability than CVE-2003-1564 and CVE-2008-3281.
Affected products
Remediation
Red Hat statement
Not vulnerable. This issue did not affect the versions of libxml2 as shipped with Red Hat Enterprise Linux 2.1, 3, 4, or 5.
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 (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 8.53% (0.08534) | 94.89th | v5 (v2026.06.15) |
| Jun 15, 2026 | 8.53% (0.08534) | 94.34th | v5 (v2026.06.15) |
| Oct 3, 2025 | 10.60% (0.10601) | 93.03th | v4 (v2025.03.14) |
| Mar 30, 2025 | 11.87% (0.11865) | 93.09th | v4 (v2025.03.14) |
| Mar 29, 2025 | 10.55% (0.10555) | 88.70th | v4 (v2025.03.14) |
| Mar 19, 2025 | 11.87% (0.11865) | 92.83th | v4 (v2025.03.14) |
| Mar 17, 2025 | 15.30% (0.15299) | 94.12th | v4 (v2025.03.14) |
| Dec 12, 2024 | 3.41% (0.03409) | 91.80th | v3 (v2023.03.01) |
| Apr 13, 2024 | 3.41% (0.03409) | 91.31th | v3 (v2023.03.01) |
| Mar 8, 2024 | 3.43% (0.03425) | 91.20th | v3 (v2023.03.01) |
| Mar 7, 2023 | 3.54% (0.03537) | 90.13th | v3 (v2023.03.01) |
| Mar 6, 2023 | 12.57% (0.12567) | 95.52th | v2 (v2022.01.01) |
| Apr 1, 2022 | 12.57% (0.12567) | 95.18th | v2 (v2022.01.01) |
| Feb 4, 2022 | 12.57% (0.12567) | 90.03th | v2 (v2022.01.01) |
References (22)
- http://bugzilla.gnome.org/show_bug.cgi?id=554660 x_refsource_CONFIRMExploit
- http://lists.apple.com/archives/security-announce/2009/Jun/msg00005.html vendor-advisoryx_refsource_APPLE
- http://lists.apple.com/archives/security-announce/2009/jun/msg00002.html vendor-advisoryx_refsource_APPLE
- http://openwall.com/lists/oss-security/2008/10/02/4 mailing-listx_refsource_MLIST
- http://secunia.com/advisories/32130 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/32175 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/32974 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/35379 third-party-advisoryx_refsource_SECUNIA
- http://security.gentoo.org/glsa/glsa-200812-06.xml vendor-advisoryx_refsource_GENTOO
- http://support.apple.com/kb/HT3613 x_refsource_CONFIRM
- http://support.apple.com/kb/HT3639 x_refsource_CONFIRM
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:212 vendor-advisoryx_refsource_MANDRIVA
- http://www.securityfocus.com/bid/31555 vdb-entryx_refsource_BID
- http://www.vupen.com/english/advisories/2009/1522 vdb-entryx_refsource_VUPEN
- http://www.vupen.com/english/advisories/2009/1621 vdb-entryx_refsource_VUPEN
- https://access.redhat.com/security/cve/CVE-2008-4409 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=465756 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/45633 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2008-4409
- https://www.cve.org/CVERecord?id=CVE-2008-4409
- https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00125.html vendor-advisoryx_refsource_FEDORA
- https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00130.html vendor-advisoryx_refsource_FEDORA
Change history (0)
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