CVE-2007-1030: libevent < 1.3 DoS
Published Feb 21, 2007
7.8
HIGHCVSS 2.0
EPSS 3.11%
Description
Niels Provos libevent 1.2 and 1.2a allows remote attackers to cause a denial of service (infinite loop) via a DNS response containing a label pointer that references its own offset.
Affected products
No data.
- 1.2
- 1.2a
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
Red Hat statement
Not vulnerable. This issue did not affect versions of libevent as shipped with Red Hat Enterprise Linux 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: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 (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.11% (0.03107) | 87.32th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.01% (0.03011) | 85.63th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.77% (0.01770) | 81.41th | v4 (v2025.03.14) |
| Dec 17, 2024 | 3.36% (0.03363) | 91.23th | v3 (v2023.03.01) |
| Apr 18, 2024 | 4.69% (0.04688) | 92.52th | v3 (v2023.03.01) |
| Feb 2, 2024 | 3.79% (0.03785) | 91.00th | v3 (v2023.03.01) |
| Dec 26, 2023 | 4.59% (0.04588) | 91.70th | v3 (v2023.03.01) |
| Nov 18, 2023 | 3.86% (0.03865) | 90.96th | v3 (v2023.03.01) |
| Oct 11, 2023 | 4.14% (0.04141) | 91.16th | v3 (v2023.03.01) |
| Jul 26, 2023 | 4.05% (0.04048) | 90.92th | v3 (v2023.03.01) |
| Mar 7, 2023 | 3.78% (0.03784) | 90.44th | 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) |
No CWE recorded.
References (11)
- http://monkey.org/~provos/libevent/ x_refsource_CONFIRM
- http://osvdb.org/33228 vdb-entryx_refsource_OSVDB
- http://secunia.com/advisories/24181 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://securityreason.com/securityalert/2268 third-party-advisoryx_refsource_SREASON
- http://www.securityfocus.com/archive/1/460530/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/22606 vdb-entryx_refsource_BIDPatch
- http://www.vupen.com/english/advisories/2007/0647 vdb-entryx_refsource_VUPEN
- https://access.redhat.com/security/cve/CVE-2007-1030 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=229990 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2007-1030
- https://www.cve.org/CVERecord?id=CVE-2007-1030
| Link | Providers | Tags |
|---|---|---|
| http://monkey.org/~provos/libevent/ | x_refsource_CONFIRM | |
| http://osvdb.org/33228 | vdb-entryx_refsource_OSVDB | |
| http://secunia.com/advisories/24181 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://securityreason.com/securityalert/2268 | third-party-advisoryx_refsource_SREASON | |
| http://www.securityfocus.com/archive/1/460530/100/0/threaded | mailing-listx_refsource_BUGTRAQ | |
| http://www.securityfocus.com/bid/22606 | vdb-entryx_refsource_BIDPatch | |
| http://www.vupen.com/english/advisories/2007/0647 | vdb-entryx_refsource_VUPEN | |
| https://access.redhat.com/security/cve/CVE-2007-1030 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=229990 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2007-1030 | ||
| https://www.cve.org/CVERecord?id=CVE-2007-1030 |
Change history (0)
No recorded changes yet.