cairo through 1.15.14 has an out-of-bounds stack-memory write during processing of a crafted document by WebKitGTK+ because of the interaction between cairo-rectangular-scan-converter.c (the generate and render_rows functions) and cairo-image-compositor.c (the _cairo_image_spans_and_zero function).
Conclusion & alert: CVE-2018-18064 is rated High Exploit Risk (66.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.48%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). 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 | 0.51% | 1.48% | +0.97% |
| 2 | 2025-11-21 | 0.33% | 0.51% | +0.18% |
| 3 | 2025-11-18 | — | 0.33% | — |
Full EPSS history (12 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.5 | 3.1 | MEDIUM |
|
2.8 | 3.6 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
unimportant | CVE-2018-18064 unimportant priority: Debian including 1 source packages (cairo), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): open 5. | https://security-tracker.debian.org/tracker/CVE-2018-18064 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2018-18064 |
suse
|
high | CVE-2018-18064 severity important: SUSE including 11 source package names (cairo, cairo-32bit, …), 111 product×package rows across 35 product lines (SLES for SAP Applications 11 SP3, SUSE CaaS Platform 4.5, … (35 product lines)): Known Not Affected 85, Will Not Fix 26. | https://www.suse.com/security/cve/CVE-2018-18064/ |
ubuntu
|
low | CVE-2018-18064 low priority: Ubuntu including 1 source packages (cairo), 19 status rows across 19 suites (bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): ignored 11, deferred 6, DNE 1, needs-triage 1. | https://ubuntu.com/security/CVE-2018-18064 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| cairographics | cairo | <= 1.15.14 | cpe:2.3:a:cairographics:cairo:*:*:*:*:*:*:*:* |