yaSSL 1.7.5 and earlier, as used in MySQL and possibly other products, allows remote attackers to cause a denial of service (crash) via a Hello packet containing a large size value, which triggers a buffer over-read in the HASHwithTransform::Update function in hash.cpp
Published Jan 10, 2008
7.5
HIGHCVSS 2.0
EPSS 2.49%
Description
yaSSL 1.7.5 and earlier, as used in MySQL and possibly other products, allows remote attackers to cause a denial of service (crash) via a Hello packet containing a large size value, which triggers a buffer over-read in the HASHwithTransform::Update function in hash.cpp.
Affected products
Remediation
Red Hat statement
Not vulnerable. This issue did not affect versions of MySQL as shipped with Red Hat Enterprise Linux 2.1, 3, 4, 5, Red Hat Application Stack v1, and v2, as they are not built with yaSSL support.
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:P/I:P/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 (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.49% (0.02492) | 84.08th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.49% (0.02492) | 82.53th | v5 (v2026.06.15) |
| Mar 17, 2025 | 5.84% (0.05836) | 89.85th | v4 (v2025.03.14) |
| Mar 7, 2025 | 27.15% (0.27151) | 96.88th | v3 (v2023.03.01) |
| Dec 21, 2024 | 23.88% (0.23875) | 96.61th | v3 (v2023.03.01) |
| Dec 17, 2024 | 25.77% (0.25774) | 96.71th | v3 (v2023.03.01) |
| Nov 13, 2024 | 35.52% (0.35525) | 97.25th | v3 (v2023.03.01) |
| Oct 6, 2024 | 33.50% (0.33497) | 97.13th | v3 (v2023.03.01) |
| Jan 16, 2024 | 34.54% (0.34538) | 96.71th | v3 (v2023.03.01) |
| Mar 7, 2023 | 32.90% (0.32898) | 96.32th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.78% (0.03779) | 85.48th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.78% (0.03779) | 84.01th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.78% (0.03779) | 67.21th | v2 (v2022.01.01) |
References (21)
- http://bugs.mysql.com/33814 x_refsource_CONFIRM
- http://dev.mysql.com/doc/refman/5.1/en/news-5-1-23.html x_refsource_CONFIRM
- http://lists.apple.com/archives/security-announce/2008/Oct/msg00001.html vendor-advisoryx_refsource_APPLE
- http://secunia.com/advisories/28324 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/28597 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/29443 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/32222 third-party-advisoryx_refsource_SECUNIA
- http://securityreason.com/securityalert/3531 third-party-advisoryx_refsource_SREASON
- http://support.apple.com/kb/HT3216 x_refsource_CONFIRM
- http://www.debian.org/security/2008/dsa-1478 vendor-advisoryx_refsource_DEBIAN
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:150 vendor-advisoryx_refsource_MANDRIVA
- http://www.securityfocus.com/archive/1/485810/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/27140 vdb-entryx_refsource_BIDExploit
- http://www.securityfocus.com/bid/31681 vdb-entryx_refsource_BID
- http://www.ubuntu.com/usn/usn-588-1 vendor-advisoryx_refsource_UBUNTU
- http://www.vupen.com/english/advisories/2008/0560/references vdb-entryx_refsource_VUPEN
- http://www.vupen.com/english/advisories/2008/2780 vdb-entryx_refsource_VUPEN
- https://access.redhat.com/security/cve/CVE-2008-0227 Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/39433 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2008-0227
- https://www.cve.org/CVERecord?id=CVE-2008-0227
Change history (0)
No recorded changes yet.