Reachable assertion in cairographics Cairo
Priority MEDIUM 48CWE-617Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- Deferred Red Hat: fix deferred
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-617.
Summary
Cairo through 1.18.4, as used in Poppler through 25.08.0, has an "unscaled->face == NULL" assertion failure for _cairo_ft_unscaled_font_fini in cairo-ft-font.c.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00255 17th percentileScored 2026-11-07
Fix Deferred Red Hat: fix deferred
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- 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 |
|---|---|---|---|---|---|
| cairographics | Cairo | up to 1.18.4 | — | No fix listed | CNA |
- Cairo Vendorcairographics Affected up to 1.18.4 Fixed in — No fix listed CNA
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 10 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 6 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 7 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 8 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 9 | Affected | No fix yet: Fix deferred |
Timeline
- 2026-10-02 Threatist record created from CVE-2025-50422
- 2026-10-03 Alias added: GHSA-6f98-2v97-grfv
References
More cairographics 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-2025-50422 · CVE Program
- CVE-2025-50422 · NVD
- FIRST EPSS
- GHSA-6f98-2v97-grfv · GitHub Advisory Database · CC BY 4.0
- CVE-2025-50422 · Red Hat security data · CC BY 4.0
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