CVE-2014-3507
MediumMemory leak in d1_both.c in the DTLS implementation in OpenSSL 0.9.8 before 0.9.8zb, 1.0.0 before 1.0.0n, and 1.0.1 before 1.0.1i allows remote attackers to cause a denial of service (memory consumption) via zero-length DTLS fragments that trigger improper handling of the return…
Published Aug 13, 2014 · Updated Aug 11, 2026 · Also known as DEBIAN-CVE-2014-3507, UBUNTU-CVE-2014-3507
Key Facts
Patch immediately- CVE-2014-3507 is a medium-severity vulnerability (CVSS 5.0 v2) affecting Openssl, rootio-openssl, openssl-devel (amazon) and 22 more products.
- It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
- EPSS estimates a 54% probability of exploitation in the next 30 days.
- Fixed versions are available, including libcrypto38 2.5.0-1.1, libcrypto38-32bit 2.5.0-1.1, libopenssl-1_1-devel 1.1.1l-1.2.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v2
5.0
AV:N/AC:L/Au:N/C:N/I:N/A:P
EPSS (30-day exploit likelihood)
54%
Higher than 99.0% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
None known
Get the full CVE-2014-3507 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
Memory leak in d1_both.c in the DTLS implementation in OpenSSL 0.9.8 before 0.9.8zb, 1.0.0 before 1.0.0n, and 1.0.1 before 1.0.1i allows remote attackers to cause a denial of service (memory consumption) via zero-length DTLS fragments that trigger improper handling of the return value of a certain insert function.
Affected Products
199 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| OpensslOpenssl | 0.9.8, 0.9.8a, 0.9.8b, 0.9.8c, 0.9.8d, 0.9.8e, 0.9.8f, 0.9.8g | 1.0.1i-1 |
| rootio-opensslrootio | See advisory | 1.0.1i-1 |
| openssl-develamazon | See advisory | 1:1.0.1i-1.78.amzn1 |
| openssl-perlamazon | See advisory | 1:1.0.1i-1.78.amzn1 |
| openssl-staticamazon | See advisory | 1:1.0.1i-1.78.amzn1 |
Patched Releases
libcrypto38
2.5.0-1.1
libcrypto38-32bit
2.5.0-1.1
libopenssl-1_1-devel
1.1.1l-1.2
libopenssl-1_1-devel-32bit
1.1.1l-1.2
libopenssl-devel
0.9.8j-0.66.1, 1.0.2j-2.2
libopenssl-devel-32bit
1.0.2j-2.2
libopenssl0_9_8
0.9.8j-0.50.1, 0.9.8j-0.66.1, 0.9.8zh-14.1
libopenssl0_9_8-32bit
0.9.8j-0.50.1, 0.9.8j-0.66.1, 0.9.8zh-14.1
libopenssl0_9_8-hmac
0.9.8j-0.50.1, 0.9.8j-0.66.1
libopenssl0_9_8-hmac-32bit
0.9.8j-0.50.1, 0.9.8j-0.66.1
libopenssl0_9_8-hmac-x86
0.9.8j-0.50.1
libopenssl0_9_8-x86
0.9.8j-0.50.1, 0.9.8j-0.66.1
libopenssl1_0_0
1.0.1g-0.22.1, 1.0.2j-2.2
libopenssl1_0_0-32bit
1.0.1g-0.22.1, 1.0.2j-2.2
libopenssl1_0_0-hmac
1.0.2j-2.2
libopenssl1_0_0-hmac-32bit
1.0.2j-2.2
libopenssl1_0_0-steam
1.0.2h-4.1
libopenssl1_0_0-steam-32bit
1.0.2h-4.1
libopenssl1_0_0-x86
1.0.1g-0.22.1
libopenssl1_1
1.1.1l-1.2
libopenssl1_1-32bit
1.1.1l-1.2
libopenssl1_1-hmac
1.1.1l-1.2
libopenssl1-devel
1.0.1g-0.22.1
libressl
2.5.0-1.1
libressl-devel
2.5.0-1.1
Timeline
Publicly disclosed
Aug 13, 2014
Last updated
Aug 11, 2026
Weakness Type
- CWE-399
- CWE-401 Missing Release of Memory after Effective Lifetime
References
- advisoryRHSA-2014:1052
- advisoryRHSA-2014:1054
- advisoryhttps://security-tracker.debian.org/tracker/CVE-2014-3507
- advisoryhttps://ubuntu.com/security/CVE-2014-3505
- advisoryhttps://ubuntu.com/security/CVE-2014-3506
FAQ
Common Questions.
Memory leak in d1_both.c in the DTLS implementation in OpenSSL 0.9.8 before 0.9.8zb, 1.0.0 before 1.0.0n, and 1.0.1 before 1.0.1i allows remote attackers to cause a denial of service (memory consumption) via zero-length DTLS fragments that trigger improper handling of the return value of a certain insert function.
Affected: Openssl versions 0.9.8, 0.9.8a, 0.9.8b, 0.9.8c, 0.9.8d, 0.9.8e, 0.9.8f, 0.9.8g; rootio-openssl; openssl-devel (amazon), among others. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including libcrypto38 2.5.0-1.1, libcrypto38-32bit 2.5.0-1.1, libopenssl-1_1-devel 1.1.1l-1.2.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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