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CVE-2011-4576
The SSL 3.0 implementation in OpenSSL before 0.9.8s and 1.x before 1.0.0f does not properly initialize data structures for block cipher…
Medium5.0EPSS 15.6%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
The SSL 3.0 implementation in OpenSSL before 0.9.8s and 1.x before 1.0.0f does not properly initialize data structures for block cipher padding, which might allow remote attackers to obtain sensitive information by decrypting the padding data sent by an SSL peer.
Timeline
ID reserved
By redhat
- 38 days later
· 38 days later
Published
- 13 years later
· 13 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
- EPSS (exploitation in 30 days)
- 15.6% · top 3.1% of all CVEs (8 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Weakness
Affected products
n/a
- affected n/a
References (22)
- 48528 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- HPSBMU02786 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
- http://www-01.ibm.com/support/docview.wss?uid=ssg1S1004564 (opens in a new tab)x_refsource_CONFIRMx_transferred
- openSUSE-SU-2012:0083 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- MDVSA-2012:006 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- FEDORA-2012-18035 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- http://www.openssl.org/news/secadv_20120104.txt (opens in a new tab)x_refsource_CONFIRMx_transferred
- SUSE-SU-2012:0084 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- RHSA-2012:1308 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2012:1307 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- http://support.apple.com/kb/HT5784 (opens in a new tab)x_refsource_CONFIRMx_transferred
- APPLE-SA-2013-06-04-1 (opens in a new tab)vendor-advisoryx_refsource_APPLEx_transferred
- VU#737740 (opens in a new tab)third-party-advisoryx_refsource_CERT-VNx_transferred
- HPSBUX02734 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
- MDVSA-2012:007 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- RHSA-2012:1306 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- HPSBOV02793 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
- 57353 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- SSRT100852 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
- DSA-2390 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- 55069 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- http://aix.software.ibm.com/aix/efixes/security/openssl_advisory3.asc (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2011-4576)Record last updated .