cairo 1.16.0, in cairo_ft_apply_variations() in cairo-ft-font.c, would free memory using…
Priority LOW 32CWE-416Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Deferred Red Hat: fix deferred
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-416 and the CVSS impact.
Summary
cairo 1.16.0, in cairo_ft_apply_variations() in cairo-ft-font.c, would free memory using a free function incompatible with WebKit's fastMalloc, leading to an application crash with a "free(): invalid pointer" error.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01707 77th percentileScored 2026-11-07
Fix Deferred Red Hat: fix deferred
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:cairographics:cairo:1.16.0:*:*:*:*:*:*:* | 1.16.0 | Vulnerable | cairographics |
- cpe:2.3:a:cairographics:cairo:1.16.0:*:*:*:*:*:*:* Versions 1.16.0 Vulnerable ·cairographics
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 8 | Affected | No fix yet: Fix deferred |
Not affected: 3 products
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
Timeline
- 2026-10-02 Threatist record created from CVE-2018-19876
- 2026-10-03 Alias added: GHSA-m5xr-7jg3-vh46
- 2026-10-16 CISA SSVC decision points changed
References
More cairographics Cairo vulnerabilities
- TI-2017-07194 cairo-truetype-subset.c in cairo 1.15.6 and earlier allows remote attackers to cause a… CVSS 3.1HIGH 7.5
- TI-2020-18014 Stack-based buffer overflow in cairo CVSS 3.1HIGH 7.8
- TI-2016-02676 The fill_xrgb32_lerp_opaque_spans function in cairo-image-compositor.c in cairo before… CVSS 3.0HIGH 7.5
- TI-2019-04529 An issue was discovered in cairo 1.16.0. CVSS 3.1MEDIUM 6.5
- TI-2019-04528 An issue was discovered in cairo 1.16.0. CVSS 3.1MEDIUM 6.5
- TI-2014-04187 The cairo_image_surface_get_data function in Cairo 1.10.2, as used in GTK+ and Wireshark… CVSS 2.0MEDIUM 5.0
Sources
- CVE-2018-19876 · CVE Program
- CVE-2018-19876 · NVD
- FIRST EPSS
- GHSA-m5xr-7jg3-vh46 · GitHub Advisory Database · CC BY 4.0
- CVE-2018-19876 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences