In ytnef 1.9.2, a heap-based buffer overflow vulnerability was found in the function TNEFFillMapi in ytnef.c, which allows attackers to cause a denial of service via a crafted file.
Conclusion & alert: CVE-2017-12141 is rated Low Risk (34.8/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.17%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-03-17 | 0.14% | 0.17% | +0.04% |
| 2 | 2023-03-07 | 1.02% | 0.14% | -0.88% |
| 3 | 2022-02-04 | — | 1.02% | — |
Full EPSS history (4 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.5 | 3.0 | MEDIUM |
|
1.8 | 3.6 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
low | CVE-2017-12141 low priority: Debian including 1 source packages (libytnef), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2017-12141 |
ubuntu
|
low | CVE-2017-12141 low priority: Ubuntu including 1 source packages (libytnef), 21 status rows across 21 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial, zesty): not-affected 14, ignored 3, needed 2, released 2. | https://ubuntu.com/security/CVE-2017-12141 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| ytnef_project | ytnef | 1.9.2 | cpe:2.3:a:ytnef_project:ytnef:1.9.2:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://github.com/Yeraze/ytnef/issues/50 | Issue Tracking Patch Third Party Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LFJWMUEUC4ILH2HEOCYVVLQT654ZMCGQ/ | |
| https://somevulnsofadlab.blogspot.com/2017/07/ytnefheap-buffer-overflow-in.html | Third Party Advisory |
| https://usn.ubuntu.com/3667-1/ |