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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 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.

Severity
Medium 5.0
Published
19 May 2009
Last changed
16 Jun 2026
Added to UpHeron
21 Oct 2026
Exploit chance
18% in the next 30 daysHigher than 97% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
CWE-399
Attack
Over the network · No login needed
Attacker can
Slow it down
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Sources
NVD

Affected software

SoftwareAffected versions
OpenSSLServers and applications · cpe:a:openssl:openssl
  • Version 1.0.0-beta2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2009-1379
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2009-1379