Use-after-free vulnerability in the dtls1_retrieve_buffered_fragment function in…
Priority MEDIUM 41CWE-399Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-399 and the CVSS impact.
Summary
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.
Why it matters now
EPSS 0.18241 97th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Red Hat: 1 advisory
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
Red Hat 1 advisory
- RHSA-2009:1335 Released 2009-09-02 · Red Hat rating Moderateopenssl security, bug fix, and enhancement update
- Red Hat Enterprise Linux (v. 5 server) openssl-0.9.8e-12.el5, openssl-0.9.8e-12.el5.i386, openssl-0.9.8e-12.el5.ia64 +9
- Red Hat Enterprise Linux Desktop (v. 5 client) openssl-0.9.8e-12.el5, openssl-0.9.8e-12.el5.i386, openssl-perl-0.9.8e-12.el5 +1
- Red Hat Enterprise Linux Desktop Workstation (v. 5 client) openssl-0.9.8e-12.el5, openssl-devel-0.9.8e-12.el5, openssl-devel-0.9.8e-12.el5.i386
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux (v. 5 server) | Fixed | RHSA-2009:1335 |
| Red Hat Enterprise Linux Desktop (v. 5 client) | Fixed | RHSA-2009:1335 |
| Red Hat Enterprise Linux Desktop Workstation (v. 5 client) | Fixed | RHSA-2009:1335 |
Timeline
- 2026-10-02 Threatist record created from CVE-2009-1379
- 2026-10-03 Alias added: GHSA-4pw3-fcxf-f8gx
References
Other 10
- https://launchpad.net/bugs/cve/2009-1379
- [security-announce] 20100303 VMSA-2010-0004 ESX Service Console and vMA third party updates
- ADV-2009-1377
- oval:org.mitre.oval:def:9744
- http://voodoo-circle.sourceforge.net/sa/sa-20091012-01.html
- [oss-security] 20090518 Re: Two OpenSSL DTLS remote DoS
- oval:org.mitre.oval:def:6848
- http://sourceforge.net/mailarchive/message.php?msg_name=4AD43807.7080105%40users.sourceforge.net
- https://kb.bluecoat.com/index?page=content&id=SA50
- ADV-2010-0528
More Openssl vulnerabilities
- TI-2022-01915 The c_rehash script allows command injection CVSS 3.1CRITICAL 9.8
- TI-2021-02645 SM2 Decryption Buffer Overflow CVSS 3.1CRITICAL 9.8
- TI-2009-03392 The TLS protocol, and the SSL protocol 3.0 and possibly earlier, as used in Microsoft… CVSS 3.1CRITICAL 9.8
- TI-2022-01176 The c_rehash script allows command injection CVSS 3.1CRITICAL 9.8
- TI-2014-00154 The (1) TLS and (2) DTLS implementations in OpenSSL 1.0.1 before 1.0.1g do not properly… KEVCVSS 3.1HIGH 7.5
- TI-2025-14107 Stack buffer overflow in CMS (Auth)EnvelopedData parsing CVSS 3.1HIGH 8.8
Sources
- CVE-2009-1379 · CVE Program
- CVE-2009-1379 · NVD
- FIRST EPSS
- GHSA-4pw3-fcxf-f8gx · GitHub Advisory Database · CC BY 4.0
- CVE-2009-1379 · Red Hat security data · CC BY 4.0
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