What is CVE-2026-3147?

CVE-2026-3147 is a medium-severity vulnerability in Libvips, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.3/10. Published 2026-02-25.

How severe is CVE-2026-3147?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Buffer overflow in Libvips

CVE-2026-3147

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.

Vulnerability class: Buffer Overflow

Published 2026-02-25 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.002 (12.5th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 13th percentile — 12.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

Libvips
Libvips — versions 8.0, 8.1, 8.2

Weakness classification (CWE)

References

vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
github.com/libvips/libvips/issues/4874 (issue-tracking, Exploit, Issue Tracking, Vendor Advisory)
github.com/libvips/libvips/pull/4894 (issue-tracking, patch, Issue Tracking)
github.com/libvips/libvips/issues/4874 (issue-tracking, Exploit, exploit, Issue Tracking, Vendor Advisory)
github.com/libvips/libvips/commit/b3ab458a25e0e261cbd1788474bbc763f7435780 (Patch, patch)
github.com/libvips/libvips/ (Product, product)

Frequently asked questions

What is CVE-2026-3147?: CVE-2026-3147 is a medium-severity vulnerability in Libvips, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.3/10. Published 2026-02-25.
How severe is CVE-2026-3147?: Medium severity. CVSS v3 base score is 5.3 out of 10.