CVE-2018-18064

Exp

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).

Published: 2018-10-08 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]

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.

Public exploit references (Exploit-DB) for CVE-2018-18064

EDB-ID Source Kind Published Link
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2018-18064

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)

Common vulnerability scoring system (CVSS) metrics for CVE-2018-18064

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.5 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
2.8 3.6 [email protected]
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
8.6 2.9 [email protected]

Weakness enumeration for CVE-2018-18064

OS Trackers for CVE-2018-18064

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

Affected software / configurations for CVE-2018-18064

Vendor Product Version Raw CPE
cairographics cairo <= 1.15.14 cpe:2.3:a:cairographics:cairo:*:*:*:*:*:*:*:*

References for CVE-2018-18064

cvelogic Threat Intelligence