The dtls1_buffer_record function in ssl/d1_pkt.c in OpenSSL 0.9.8k and earlier 0.9.8…
Priority LOW 36CWE-119Published · 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-119 and the CVSS impact.
Summary
The dtls1_buffer_record function in ssl/d1_pkt.c in OpenSSL 0.9.8k and earlier 0.9.8 versions allows remote attackers to cause a denial of service (memory consumption) via a large series of "future epoch" DTLS records that are buffered in a queue, aka "DTLS record buffer limitation bug."
Why it matters now
EPSS 0.11274 95th percentileScored 2026-11-07
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-2009-1377
- 2026-10-03 Alias added: GHSA-26xx-j6q3-j3rf
References
Patch 3
Advisory 12
- SSA:2010-060-02
- [security-announce] 20100303 VMSA-2010-0004 ESX Service Console and vMA third party updates
- ADV-2009-1377
- GLSA-200912-01
- RHSA-2009:1335
- HPSBMA02492
- https://launchpad.net/bugs/cve/2009-1377
- USN-792-1
- SUSE-SR:2009:011
- http://voodoo-circle.sourceforge.net/sa/sa-20091012-01.html
- MDVSA-2009:120
- 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-2009-1377 · CVE Program
- CVE-2009-1377 · NVD
- FIRST EPSS
- GHSA-26xx-j6q3-j3rf · GitHub Advisory Database · CC BY 4.0
- CVE-2009-1377 · Red Hat security data · CC BY 4.0
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