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CVE-2012-0256
Apache Traffic Server 2.0.x and 3.0.x before 3.0.4 and 3.1.x before 3.1.3 does not properly allocate heap memory, which allows remote…
Medium5.0EPSS 3.4%
- Published
- Updated
- Reserved
- Assigned by
- certcc
Description
Apache Traffic Server 2.0.x and 3.0.x before 3.0.4 and 3.1.x before 3.1.3 does not properly allocate heap memory, which allows remote attackers to cause a denial of service (daemon crash) via a long HTTP Host header.
Timeline
ID reserved
By certcc
- 3 months later
· 3 months later
Published
- 12 years later
· 12 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)
- 3.4% · top 11% of all CVEs (8 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Weakness
Affected products
n/a
- affected n/a
References (6)
- 20120322 [ANNOUNCE] Apache Traffic Server releases for security incident CVE-2012-0256 (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 20120322 [ANNOUNCE] Apache Traffic Server releases for security incident CVE-2012-0256 (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
- 52696 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- https://www.cert.fi/en/reports/2012/vulnerability612884.html (opens in a new tab)x_refsource_MISCx_transferred
- 1026847 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- http://trafficserver.apache.org/downloads (opens in a new tab)x_refsource_CONFIRMx_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)
- 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-2012-0256)Record last updated .