What’s Vulnerable › Vulnerabilities

CVE-2020-20739

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-11-20 · updated 2026-06-17
• Weakness: CWE-909

Description

im_vips2dz in /libvips/libvips/deprecated/im_vips2dz.c in libvips before 8.8.2 has an uninitialized variable which may cause the leakage of remote server path or stack address.

Affected products

• Debian Linux: 9.0
• Fedoraproject Fedora: 32
• libvips: before 8.8.2 — fixed in 8.8.2

How to fix

Upgrade to a fixed version: libvips 8.8.2. Check the vendor advisory for mitigations.

References

• https://github.com/libvips/libvips/commit/2ab5aa7bf515135c2b02d42e9a72e4c98e17031a
• https://github.com/libvips/libvips/issues/1419
• https://lists.debian.org/debian-lts-announce/2020/11/msg00049.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZULVPQQ4QDFSQCXFYBUXEM7UXJAOKLSP/
• https://github.com/libvips/libvips/commit/2ab5aa7bf515135c2b02d42e9a72e4c98e17031a
• https://github.com/libvips/libvips/issues/1419
• https://lists.debian.org/debian-lts-announce/2020/11/msg00049.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZULVPQQ4QDFSQCXFYBUXEM7UXJAOKLSP/

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