Librsvg: UNKNOWN READ in _blit_xrgb32_lerp_spans
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=402836107 ``` Crash type: UNKNOWN READ Crash state: _blit_xrgb32_lerp_spans _cairo_rectangular_scan_converter_generate composite_boxes ```
AI Analysis
Technical Summary
This vulnerability in librsvg is characterized by an UNKNOWN READ crash occurring in the _blit_xrgb32_lerp_spans function, as reported by OSS-Fuzz. The crash involves the _cairo_rectangular_scan_converter_generate and composite_boxes functions, indicating a fault in the rendering pipeline. The affected versions span a wide range of releases from 2.58.92 through 2.63.0-beta.0 and subsequent commits. No CVSS score or detailed impact metrics are provided, and no vendor advisory or patch links are available. There is no evidence of exploitation in the wild.
Potential Impact
The vulnerability causes an UNKNOWN READ crash which may lead to application instability or denial of service when processing certain inputs. No information is available about potential code execution or data corruption. There are no known active exploits targeting this issue.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official patch or fix is referenced, users should monitor official librsvg and OSS-Fuzz channels for updates. Avoid processing untrusted inputs with affected versions until a fix is available.
Librsvg: UNKNOWN READ in _blit_xrgb32_lerp_spans
Description
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=402836107 ``` Crash type: UNKNOWN READ Crash state: _blit_xrgb32_lerp_spans _cairo_rectangular_scan_converter_generate composite_boxes ```
Affected software
pkg:generic/librsvgRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in librsvg is characterized by an UNKNOWN READ crash occurring in the _blit_xrgb32_lerp_spans function, as reported by OSS-Fuzz. The crash involves the _cairo_rectangular_scan_converter_generate and composite_boxes functions, indicating a fault in the rendering pipeline. The affected versions span a wide range of releases from 2.58.92 through 2.63.0-beta.0 and subsequent commits. No CVSS score or detailed impact metrics are provided, and no vendor advisory or patch links are available. There is no evidence of exploitation in the wild.
Potential Impact
The vulnerability causes an UNKNOWN READ crash which may lead to application instability or denial of service when processing certain inputs. No information is available about potential code execution or data corruption. There are no known active exploits targeting this issue.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official patch or fix is referenced, users should monitor official librsvg and OSS-Fuzz channels for updates. Avoid processing untrusted inputs with affected versions until a fix is available.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- OSV-2025-202
- Osv Schema Version
- 1.6.0
- Ecosystems
- ["OSS-Fuzz"]
Threat ID: 6a3ef7a927e9c79719ffb69a
Added to database: 06/26/2026, 22:05:29 UTC
Last enriched: 08/15/2026, 17:18:55 UTC
Last updated: 09/09/2026, 15:47:13 UTC
Views: 18
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.