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.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | sane-backends | 1.0.31-2 | — |
| Debian 13 | sane-backends | 1.0.31-2 | — |
| Debian 12 | sane-backends | 1.0.31-2 | — |
| Debian 9 | sane-backends | 1.0.25-4.1+deb9u1 | DLA-2332-1 |
| Debian 8 | sane-backends | 1.0.24-8+deb8u3 | DLA-2231-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | sane-backends | 1.0.29-0ubuntu5.1 | USN-4470-1 |
| Ubuntu 18.04 LTS | sane-backends | 1.0.27-1~experimental3ubuntu2.3 | USN-4470-1 |
| Ubuntu 16.04 LTS | sane-backends | 1.0.25+git20150528-1ubuntu2.16.04.3 | USN-4470-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | sane-backends +6 | 1.0.27-22.el8 | RHSA-2021:1744 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 8 | sane-backends +6 | 1.0.27-22.el8 | ALSA-2021:1744 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 8 | sane-backends | 1.0.27-22.el8 | RLSA-2021:1744 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP2 | sane-backends | 1.0.31-6.3.2 | SUSE-SU-2020:3065-1 |
| SLES 15 SP1 | sane-backends | 1.0.31-6.3.2 | SUSE-SU-2020:3065-1 |
| SLES 12 SP5 | sane-backends | 1.0.31-4.3.1 | SUSE-SU-2020:3125-1 |
| SLES 12 SP4 | sane-backends | 1.0.31-4.3.1 | SUSE-SU-2020:3125-1 |
| SLES 12 SP3 | sane-backends | 1.0.31-4.3.1 | SUSE-SU-2020:3125-1 |
Show 12 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP2 | sane-backends | 1.0.31-4.3.1 | SUSE-SU-2020:3125-1 |
| SLES for SAP 12 SP5 | sane-backends | 1.0.31-4.3.1 | SUSE-SU-2020:3125-1 |
| SLES for SAP 12 SP4 | sane-backends | 1.0.31-4.3.1 | SUSE-SU-2020:3125-1 |
| SLES for SAP 12 SP3 | sane-backends | 1.0.31-4.3.1 | SUSE-SU-2020:3125-1 |
| SLES for SAP 12 SP2 | sane-backends | 1.0.31-4.3.1 | SUSE-SU-2020:3125-1 |
| SUSE OpenStack Cloud Crowbar 9 | sane-backends | 1.0.31-4.3.1 | SUSE-SU-2020:3125-1 |
| SUSE OpenStack Cloud Crowbar 8 | sane-backends | 1.0.31-4.3.1 | SUSE-SU-2020:3125-1 |
| SUSE OpenStack Cloud 9 | sane-backends | 1.0.31-4.3.1 | SUSE-SU-2020:3125-1 |
| SUSE OpenStack Cloud 8 | sane-backends | 1.0.31-4.3.1 | SUSE-SU-2020:3125-1 |
| SUSE OpenStack Cloud 7 | sane-backends | 1.0.31-4.3.1 | SUSE-SU-2020:3125-1 |
| SUSE HPE Helion OpenStack 8 | sane-backends | 1.0.31-4.3.1 | SUSE-SU-2020:3125-1 |
| SUSE Enterprise Storage 5 | sane-backends | 1.0.31-4.3.1 | SUSE-SU-2020:3125-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.2 | sane-backends | 1.0.31-lp152.7.3.1 | openSUSE-SU-2020:1798-1 |
| openSUSE Leap 15.1 | sane-backends | 1.0.31-lp151.6.3.1 | openSUSE-SU-2020:1791-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | sane | 1.0.30-r0 | — |
| Alpine v3.23 | sane | 1.0.30-r0 | — |
| Alpine v3.22 | sane | 1.0.30-r0 | — |
| Alpine v3.21 | sane | 1.0.30-r0 | — |
| Alpine v3.20 | sane | 1.0.30-r0 | — |
Show 8 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | sane | 1.0.30-r0 | — |
| Alpine v3.18 | sane | 1.0.30-r0 | — |
| Alpine v3.17 | sane | 1.0.30-r0 | — |
| Alpine v3.16 | sane | 1.0.30-r0 | — |
| Alpine v3.15 | sane | 1.0.30-r0 | — |
| Alpine v3.14 | sane | 1.0.30-r0 | — |
| Alpine v3.13 | sane | 1.0.30-r0 | — |
| Alpine v3.12 | sane | 1.0.30-r0 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 8 | sane-backends +6 | 1.0.27-22.el8 | ELSA-2021-1744 |
Advisories 11
- ALSA-2021:1744 Moderate: sane-backends security update AlmaLinux Security Advisories · Oct 29, 2026
- USN-4470-1 sane-backends vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DLA-2332-1 sane-backends - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-2231-1 sane-backends - security update Debian Security (DSA / DLA) · Mar 9, 2026
- RLSA-2021:1744 Moderate: sane-backends security update Rocky Linux Security Advisories · Feb 4, 2026
- openSUSE-SU-2020:1798-1 Security update for sane-backends SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:3125-1 Security update for sane-backends SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:3065-1 Security update for sane-backends SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:1791-1 Security update for sane-backends SUSE / openSUSE Security Updates · Feb 4, 2026
- RHSA-2021:1744 Red Hat Security Advisory: sane-backends security update Red Hat Security Advisories (RHSA) · Jan 14, 2026
- ELSA-2021-1744 Moderate: sane-backends security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · May 25, 2021
References
- 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://securitylab.github.com/advisories/GHSL-2020-075-libsane
- FEDORA-2020-b845771719 vendor-advisory
- [debian-lts-announce] 20200817 [SECURITY] [DLA 2332-1] sane-backends security update mailing-list
- USN-4470-1 vendor-advisory
- [debian-lts-announce] 20201007 [SECURITY] [DLA 2332-2] sane-backends regression update mailing-list
- openSUSE-SU-2020:1791 vendor-advisory
- openSUSE-SU-2020:1798 vendor-advisory