---
title: "CVE-2022-0891\n    | Ubuntu"
description: Ubuntu is an open source software operating system that runs from the
  desktop, to the cloud, to all your internet connected things.
url: https://ubuntu.com/security/CVE-2022-0891?format=md
keywords: index, follow
---

# CVE-2022-0891

Publication date 10 March 2022

Last updated 25 August 2025

---

Ubuntu priority

**Medium**

[Why this priority?](https://ubuntu.com/security/cves/about#priority )

## Cvss 3 Severity Score

**7.1 · High**

[Score breakdown](https://ubuntu.com/security/CVE-2022-0891?format=md#impact-score)

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## Description

A heap buffer overflow in ExtractImageSection function in tiffcrop.c in
libtiff library Version 4.3.0 allows attacker to trigger unsafe or out of
bounds memory access via crafted TIFF image file which could result into
application crash, potential information disclosure or any other
context-dependent impact

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| tiff | 22.04 LTS jammy | Not affected |
| 21.10 impish | Fixed 4.3.0-1ubuntu0.1 |
| 20.04 LTS focal | Fixed 4.1.0+git191117-2ubuntu0.20.04.3 |
| 18.04 LTS bionic | Fixed 4.0.9-5ubuntu0.5 |
| 16.04 LTS xenial | Fixed 4.0.6-1ubuntu0.8+esm1  Ubuntu Pro |
| 14.04 LTS trusty | Fixed 4.0.3-7ubuntu0.11+esm1  Ubuntu Pro |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)
* [Patch details](https://ubuntu.com/security/CVE-2022-0891?format=md#patch-details)

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### Patch details

For informational purposes only. We recommend not to cherry-pick updates. [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)

| Package | Patch details |
| --- | --- |
| tiff | * Upstream:   [46dc8fc](https://gitlab.com/libtiff/libtiff/-/commit/46dc8fcd4d38c3b6f35ab28e532aee80e6f609d6) |

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

7.1 · High

* Base metrics

  | Parameter | Value |
  | --- | --- |
  | Attack vector | Network |
  | Attack complexity | Low |
  | Privileges required | None |
  | User interaction | Required |
  | Scope | Unchanged |
  | Confidentiality impact | Low |
  | Integrity impact | None |
  | Availability impact | High |
* Scores

  | Parameter | Value |
  | --- | --- |
  | Base score | 7.1 · High |
  | Exploitability score | - |
  | Impact score | - |

**Vector:** CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-0891)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2022-0891)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2022-0891)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2022-0891)

### Related Ubuntu Security Notices (USN)

+ [USN-5421-1](https://usn.ubuntu.com/USN-5421-1)
+ LibTIFF vulnerabilities
+ 16 May 2022

### Other references

* <https://gitlab.com/libtiff/libtiff/-/commit/232282fd8f9c21eefe8d2d2b96cdbbb172fe7b7c>
* <https://gitlab.com/libtiff/libtiff/-/issues/380>
* <https://gitlab.com/libtiff/libtiff/-/issues/382>
* <https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-0891.json>
* <https://gitlab.com/freedesktop-sdk/mirrors/gitlab/libtiff/libtiff/-/commit/232282fd8f9c21eefe8d2d2b96cdbbb172fe7b7c>
* <https://www.cve.org/CVERecord?id=CVE-2022-0891>