jbig2_add_page in jbig2enc.cc in libjbig2enc.a in jbig2enc 0.29 allows remote attackers to cause a denial of service (use-after-free) or possibly have unspecified other impact via a crafted file.
Conclusion & alert: CVE-2018-11230 is rated Moderate Risk (62.6/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.77%). Core evidence: EPSS rose +1.13% over the last day, indicating growing attacker interest. 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 | 2026-06-15 | 0.63% | 1.77% | +1.13% |
| 2 | 2025-03-30 | 1.14% | 0.63% | -0.50% |
| 3 | 2025-03-29 | — | 1.14% | — |
Full EPSS history (13 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.8 | 3.0 | HIGH |
|
2.8 | 5.9 | [email protected] |
| 6.8 | 2.0 | MEDIUM |
|
8.6 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
high | CVE-2018-11230: 1 source package rows (jbig2enc); 9 state rows across 8 repos (3.17-community, 3.18-community, 3.19-community, 3.20-community, 3.21-community, 3.22-community, 3.23-community, edge-community); fixed 4, open 5. | https://security.alpinelinux.org/vuln/CVE-2018-11230 |
debian
|
not yet assigned | CVE-2018-11230 not yet assigned priority: Debian including 1 source packages (jbig2enc), 3 status rows across 3 suites (forky, sid, trixie): resolved 3. | https://security-tracker.debian.org/tracker/CVE-2018-11230 |
ubuntu
|
medium | CVE-2018-11230 medium priority: Ubuntu including 1 source packages (jbig2enc), 8 status rows across 8 suites (focal, jammy, mantic, noble, oracular, plucky, questing, upstream): DNE 3, needs-triage 3, ignored 2. | https://ubuntu.com/security/CVE-2018-11230 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| jbig2enc_project | jbig2enc | 0.29 | cpe:2.3:a:jbig2enc_project:jbig2enc:0.29:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://github.com/agl/jbig2enc/issues/61 | Third Party Advisory |