A heap-based buffer over-read in the getbits function in src/libmpg123/getbits.h in mpg123 through 1.25.5 allows remote attackers to cause a possible denial-of-service (out-of-bounds read) or possibly have unspecified other impact via a crafted mp3 file.
Conclusion & alert: CVE-2017-12839 is rated High Exploit Risk (79.7/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.90%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.76% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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 | 2026-06-15 | 1.14% | 2.90% | +1.76% |
| 2 | 2026-01-07 | 0.63% | 1.14% | +0.51% |
| 3 | 2025-03-30 | — | 0.63% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.3 | 3.0 | HIGH |
|
2.8 | 5.5 | [email protected] |
| 6.8 | 2.0 | MEDIUM |
|
8.6 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2017-12839 not yet assigned priority: Debian including 1 source packages (mpg123), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2017-12839 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2017-12839 |
suse
|
low | CVE-2017-12839 severity low: SUSE including 5 source package names (libmpg123-0, libout123-0, mpg123, mpg123-devel, mpg123-pulse), 5 product×package rows across 1 product lines (SUSE Linux Enterprise Module for Desktop Applications 15): Known Not Affected 5. | https://www.suse.com/security/cve/CVE-2017-12839/ |
ubuntu
|
low | CVE-2017-12839 low priority: Ubuntu including 1 source packages (mpg123), 12 status rows across 12 suites (bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, trusty, upstream, xenial): not-affected 9, released 3. | https://ubuntu.com/security/CVE-2017-12839 |
| URL | Tags |
|---|---|
| https://sourceforge.net/p/mpg123/bugs/255/ | Exploit Third Party Advisory |
| https://www.mpg123.de/ | Product Vendor Advisory |
| https://www.mpg123.de/cgi-bin/scm/mpg123/trunk/src/libmpg123/getbits.h?r1=2024&r2=4323&sortby=date | Patch Vendor Advisory |