CVE catalog

CVE-2020-10870

zim: CVE-2020-10870

Severity: Medium · CVSS 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Published: Mar 23, 2020, 8:15:00 PM UTC
Source: [NVD] · [CVE record]
EPSS: 0.33% · Oct 25, 2026

Zim through 0.72.1 creates temporary directories with predictable names. A malicious user could predict and create Zim's temporary directories and prevent other users from being able to start Zim, resulting in a denial of service.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	zim	sid	`0.77.2-1`	fixed
Debian	zim	forky	`0.77.2-1`	fixed
Debian	zim	trixie	`0.76.3-1`	fixed
Debian	zim	bookworm	`0.75.1-1`	fixed
Opensuse	zim	tumbleweed	`0.73.5-1.2`	fixed
Ubuntu	zim	16.04	`0.63-1`	vulnerable
Ubuntu	zim	16.04	`0.65-1`	vulnerable
Ubuntu	zim	16.04	`0.65-2`	vulnerable
Ubuntu	zim	18.04	`0.67-1`	vulnerable
Ubuntu	zim	18.04	`0.67-2`	vulnerable
Ubuntu	zim	18.04	`0.68~rc1-2`	vulnerable
Ubuntu	zim	20.04	`0.72.0-1`	vulnerable

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	zim	source	sid	`0.72.1-1`	unimportant	Not reported	[954810]
Debian	zim	source	forky	`0.72.1-1`	unimportant	Not reported	[954810]
Debian	zim	source	trixie	`0.72.1-1`	unimportant	Not reported	[954810]
Debian	zim	source	bookworm	`0.72.1-1`	unimportant	Not reported	[954810]
Opensuse	zim	rpm	tumbleweed	`0.73.5-1.2`	Not reported	OPENSUSE-SU-2024:11541-1	Not reported

[Debian bug #954810]

OpenFactory catalog packages

[openSUSE Tumbleweed]

[zim-lang]Unknown
Source package: [zim]
Details (1)
- 0.77.1-1.1 · noarch · tumbleweed
  Unknown · Fixed: 0.73.5-1.2
  Version impact unknown
  dsa · zim · opensuse · tumbleweed
[zim]Fixed
Source package: [zim]
Details (1)
- 0.77.1-1.1 · noarch · tumbleweed
  Fixed · Fixed: 0.73.5-1.2
  dsa · zim · opensuse · tumbleweed

[Debian 12 (Bookworm)]

[zim]Fixed
Details (2)
- 0.75.1-1 · all · bookworm
  Fixed · Fixed: 0.72.1-1
  dsa · zim · debian · bookworm; dsa · zim · debian · 12
- 0.75.1-1 · all · bookworm
  Fixed · Fixed: 0.72.1-1
  dsa · zim · debian · bookworm; dsa · zim · debian · 12

[Debian 13 (Trixie)]

[zim]Fixed
Details (2)
- 0.76.3-1 · all · trixie
  Fixed · Fixed: 0.72.1-1
  dsa · zim · debian · 13
- 0.76.3-1 · all · trixie
  Fixed · Fixed: 0.72.1-1
  dsa · zim · debian · 13

Observed: Oct 23, 2026, 5:46:37 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [SUSE security advisories and VEX]