CVE-2018-12547
In Eclipse OpenJ9, prior to the 0.12.0 release, the jio_snprintf() and jio_vsnprintf() native methods ignored the length parameter. This…
- 9.8CriticalCVSS base score
- 2.7%Exploitation in 30 daysEPSS · top 14% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
In Eclipse OpenJ9, prior to the 0.12.0 release, the jio_snprintf() and jio_vsnprintf() native methods ignored the length parameter. This affects existing APIs that called the functions to exceed the allocated buffer. This functions were not directly callable by non-native user code.
Timeline
ID reserved
By eclipse
- 8 months later
· 8 months later
Published
- 5 years later
· 5 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 | 3.0 | Critical9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 2.7% · top 14% of all CVEs (11 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Affected products
The Eclipse Foundation · Eclipse OpenJ9
- affected unspecified – < 0.12.0
References
References7
- RHSA-2019:0474 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://bugs.eclipse.org/bugs/show_bug.cgi?id=543659 (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2019:0469 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2019:0473 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2019:0472 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2019:0640 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2019:1238 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_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)
- EUVD EUVD-2018-4507 (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-2018-12547)Record last updated .