The ProcessGpsInfo function of the gpsinfo.c file of jhead 3.00 may allow a remote attacker to cause a denial-of-service attack or unspecified other impact via a malicious JPEG file, because of inconsistency between float and double in a sprintf format string during TAG_GPS_ALT handling.
Conclusion & alert: CVE-2018-16554 is rated High Exploit Risk (73.9/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.77%). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.45% 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 ↗ |
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 | 0.31% | 1.77% | +1.45% |
| 2 | 2025-03-30 | 0.72% | 0.31% | -0.40% |
| 3 | 2025-03-29 | — | 0.72% | — |
Full EPSS history (12 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.8 | 3.0 | HIGH |
|
1.8 | 5.9 | [email protected] |
| 6.8 | 2.0 | MEDIUM |
|
8.6 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2018-16554 not yet assigned priority: Debian including 1 source packages (jhead), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2018-16554 |
ubuntu
|
low | CVE-2018-16554 low priority: Ubuntu including 1 source packages (jhead), 6 status rows across 6 suites (bionic, cosmic, disco, trusty, upstream, xenial): released 5, not-affected 1. | https://ubuntu.com/security/CVE-2018-16554 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| jhead_project | jhead | 3.00 | cpe:2.3:a:jhead_project:jhead:3.00:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=908176 | Exploit Mailing List Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2019/12/msg00037.html | |
| https://nimo-zhang.github.io/2018/09/07/bug-analysis-1/#more | Exploit Patch Third Party Advisory |