What’s Vulnerable › Vulnerabilities

CVE-2020-12867

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-06-01 · updated 2026-06-17
• Weakness: CWE-476

Description

A NULL pointer dereference in sanei_epson_net_read in SANE Backends before 1.0.30 allows a malicious device connected to the same local network as the victim to cause a denial of service, aka GHSL-2020-075.

Affected products

• Canonical Ubuntu Linux: 16.04, 18.04, 20.04
• Debian Linux: 9.0
• Fedoraproject Fedora: 32
• openSUSE Leap: 15.1, 15.2
• Sane-Project Sane Backends: before 1.0.30 — fixed in 1.0.30

How to fix

Upgrade to a fixed version: Sane-Project Sane Backends 1.0.30. Check the vendor advisory for mitigations.

References

• http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00079.html
• http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00003.html
• https://alioth-lists.debian.net/pipermail/sane-announce/2020/000041.html
• https://gitlab.com/sane-project/backends/-/issues/279#issue-1-ghsl-2020-075-null-pointer-dereference-in-sanei_epson_net_read
• https://lists.debian.org/debian-lts-announce/2020/08/msg00029.html
• https://lists.debian.org/debian-lts-announce/2020/10/msg00010.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JWUVCHURVGGYBEUOBA4PLSNXJVBKHJYJ/
• https://securitylab.github.com/advisories/GHSL-2020-075-libsane
• https://usn.ubuntu.com/4470-1/
• http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00079.html
• http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00003.html
• https://alioth-lists.debian.net/pipermail/sane-announce/2020/000041.html

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