GNU Libextractor 1.6 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted GIF, IT (Impulse Tracker), NSFE, S3M (Scream Tracker 3), SID, or XM (eXtended Module) file, as demonstrated by the EXTRACTOR_xm_extract_method function in plugins/xm_extractor.c.
Conclusion & alert: CVE-2017-17440 is rated High Exploit Risk (71.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.36%). Core evidence: 5 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.83% 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 ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | 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 | 0.53% | 2.36% | +1.83% |
| 2 | 2026-04-09 | 1.00% | 0.53% | -0.47% |
| 3 | 2025-03-30 | — | 1.00% | — |
Full EPSS history (13 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.5 | 3.0 | MEDIUM |
|
2.8 | 3.6 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2017-17440 not yet assigned priority: Debian including 1 source packages (libextractor), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2017-17440 |
ubuntu
|
medium | CVE-2017-17440 medium priority: Ubuntu including 1 source packages (libextractor), 19 status rows across 19 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial, zesty): not-affected 14, ignored 2, released 2, needed 1. | https://ubuntu.com/security/CVE-2017-17440 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| gnu | libextractor | 1.6 | cpe:2.3:a:gnu:libextractor:1.6:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://www.securityfocus.com/bid/102116 | Third Party Advisory VDB Entry |
| https://bugs.debian.org/883528#35 | Exploit Third Party Advisory |
| https://gnunet.org/git/libextractor.git/commit/?id=7cc63b001ceaf81143795321379c835486d0c92e | Patch Third Party Advisory |
| https://lists.gnu.org/archive/html/bug-libextractor/2017-11/msg00000.html | Exploit Third Party Advisory |
| https://lists.gnu.org/archive/html/bug-libextractor/2017-11/msg00001.html | Exploit Third Party Advisory |
| https://lists.gnu.org/archive/html/bug-libextractor/2017-11/msg00002.html | Exploit Third Party Advisory |
| https://lists.gnu.org/archive/html/bug-libextractor/2017-11/msg00004.html | Exploit Third Party Advisory |
| https://lists.gnu.org/archive/html/bug-libextractor/2017-11/msg00005.html | Issue Tracking |