The DirectShow loader (loader/dshow/DS_VideoDecoder.c) in MPlayer 1.0rc1 and earlier, as used in xine-lib, does not set the biSize before use in a memcpy, which allows user-assisted remote attackers to cause a buffer overflow and possibly execute arbitrary code, a different vulnerability than CVE-2007-1246.
Conclusion & alert: CVE-2007-1387 is rated Moderate Risk (58.7/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 5.11%). Mandatory action: Review affected assets and schedule remediation.
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 | 2025-10-30 | 4.92% | 5.11% | +0.19% |
| 2 | 2025-03-30 | 6.88% | 4.92% | -1.96% |
| 3 | 2025-03-29 | — | 6.88% | — |
Full EPSS history (15 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.8 | 2.0 | MEDIUM |
|
3.2 | 10.0 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
low | CVE-2007-1387 low priority: Debian including 1 source packages (mplayer), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2007-1387 |
gentoo
|
normal | CVE-2007-1387: 1 GLSA(s) (200705-21), 1 atom(s) (media-video/mplayer); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2007-1387 |
ubuntu
|
medium | CVE-2007-1387 medium priority: Ubuntu including 1 source packages (xine-lib), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): released 3, not-affected 1. | https://ubuntu.com/security/CVE-2007-1387 |