CVE-2009-1379
Use-after-free vulnerability in the dtls1_retrieve_buffered_fragment function in ssl/d1_both.c in OpenSSL 1.0.0 Beta 2 allows remote…
- 5.0MediumCVSS base score
- 18.2%Exploitation in 30 daysEPSS · top 2.8% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 1Public exploitsMetasploit, Nuclei and Exploit-DB
Description
Use-after-free vulnerability in the dtls1_retrieve_buffered_fragment function in ssl/d1_both.c in OpenSSL 1.0.0 Beta 2 allows remote attackers to cause a denial of service (openssl s_client crash) and possibly have unspecified other impact via a DTLS packet, as demonstrated by a packet from a server that uses a crafted server certificate.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list an Exploit-DB entry for it.
Show the exploits1
Exploit-DB1 entry
- OpenSSL 0.9.8k/1.0.0-beta2 - DTLS Remote Memory Exhaustion Denial of Service (Exploit-DB entry) (opens in a new tab)
EDB-ID 8720dos, multiplepublished 18 May 2009Verified
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By redhat
- 26 days later
· 26 days later
Published
- 15 years later
· 15 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:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 18.2% · top 2.8% of all CVEs (10 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Affected products
n/a
- affected n/a
References
31
- 42724 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- https://launchpad.net/bugs/cve/2009-1379 (opens in a new tab)x_refsource_MISCx_transferred
- SSA:2010-060-02 (opens in a new tab)vendor-advisoryx_refsource_SLACKWAREx_transferred
- 38794 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- [security-announce] 20100303 VMSA-2010-0004 ESX Service Console and vMA third party updates (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- ADV-2009-1377 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- 35729 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- GLSA-200912-01 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- RHSA-2009:1335 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- HPSBMA02492 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
- 38761 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 37003 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 36533 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 1022241 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- USN-792-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- SUSE-SR:2009:011 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- oval:org.mitre.oval:def:9744 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- openssl-dtls1retrievebufferedfragment-dos(50661) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- http://voodoo-circle.sourceforge.net/sa/sa-20091012-01.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- 35138 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- [oss-security] 20090518 Re: Two OpenSSL DTLS remote DoS (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 38834 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 35461 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 35571 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- oval:org.mitre.oval:def:6848 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- 35416 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- http://sourceforge.net/mailarchive/message.php?msg_name=4AD43807.7080105%40users.sourceforge.net (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://kb.bluecoat.com/index?page=content&id=SA50 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://rt.openssl.org/Ticket/Display.html?id=1923&user=guest&pass=guest (opens in a new tab)x_refsource_CONFIRMx_transferred
- 42733 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- ADV-2010-0528 (opens in a new tab)vdb-entryx_refsource_VUPENx_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)
- EUVD EUVD-2009-1377 (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-2009-1379)Record last updated .