Heap-based buffer overflow in the SPF_dns_resolv_lookup function in Spf_dns_resolv.c in libspf2 before 1.2.8 allows remote attackers to execute arbitrary code via a long DNS TXT record with a modified length field
Published Oct 23, 2008
10.0
HIGHCVSS 2.0
EPSS 22.25%
Description
Heap-based buffer overflow in the SPF_dns_resolv_lookup function in Spf_dns_resolv.c in libspf2 before 1.2.8 allows remote attackers to execute arbitrary code via a long DNS TXT record with a modified length field.
Affected products
No data.
- ≤ 1.2.7
- 1.0.2
- 1.0.3
- 1.0.4
- 1.2.1
- 1.2.3
- 1.2.4
- 1.2.5
- 1.2.6
No data.
No Red Hat product state for this CVE.
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:L/Au:N/C:C/I:C/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 | 22.25% (0.22250) | 97.61th | v5 (v2026.06.15) |
| Jun 15, 2026 | 22.25% (0.22250) | 97.37th | v5 (v2026.06.15) |
| Mar 30, 2025 | 38.62% (0.38616) | 96.95th | v4 (v2025.03.14) |
| Mar 29, 2025 | 32.33% (0.32326) | 95.05th | v4 (v2025.03.14) |
| Mar 17, 2025 | 38.62% (0.38616) | 96.91th | v4 (v2025.03.14) |
| Feb 17, 2025 | 75.81% (0.75814) | 98.43th | v3 (v2023.03.01) |
| Dec 17, 2024 | 77.35% (0.77355) | 98.43th | v3 (v2023.03.01) |
| Mar 7, 2023 | 91.07% (0.91075) | 98.25th | v3 (v2023.03.01) |
| Mar 6, 2023 | 42.88% (0.42881) | 98.32th | v2 (v2022.01.01) |
| Feb 4, 2022 | 42.88% (0.42881) | 97.64th | v2 (v2022.01.01) |
References (18)
- http://bugs.gentoo.org/show_bug.cgi?format=multiple&id=242254 x_refsource_CONFIRM
- http://secunia.com/advisories/32396 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/32450 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/32496 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/32720 third-party-advisoryx_refsource_SECUNIA
- http://security.gentoo.org/glsa/glsa-200810-03.xml vendor-advisoryx_refsource_GENTOO
- http://securityreason.com/securityalert/4487 third-party-advisoryx_refsource_SREASON
- http://up2date.astaro.com/2008/11/up2date_7305_released.html x_refsource_CONFIRM
- http://www.debian.org/security/2008/dsa-1659 vendor-advisoryx_refsource_DEBIAN
- http://www.doxpara.com/?p=1263 x_refsource_MISC
- http://www.doxpara.com/?page_id=1256 x_refsource_MISC
- http://www.kb.cert.org/vuls/id/183657 third-party-advisoryx_refsource_CERT-VNUS Government Resource
- http://www.securityfocus.com/bid/31881 vdb-entryx_refsource_BIDExploitPatch
- http://www.vupen.com/english/advisories/2008/2896 vdb-entryx_refsource_VUPEN
- https://answers.launchpad.net/ubuntu/gutsy/+source/libspf2/1.2.5.dfsg-4ubuntu0.7.10.1 x_refsource_CONFIRM
- https://bugs.launchpad.net/ubuntu/feisty/+source/libspf2/+bug/271025 x_refsource_CONFIRM
- https://exchange.xforce.ibmcloud.com/vulnerabilities/46055 vdb-entryx_refsource_XF
- https://www.exploit-db.com/exploits/6805 exploitx_refsource_EXPLOIT-DB
Change history (0)
No recorded changes yet.