CVE-2019-17402

Publication date 9 October 2019

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

Exiv2 0.27.2 allows attackers to trigger a crash in Exiv2::getULong in types.cpp when called from Exiv2::Internal::CiffDirectory::readDirectory in crwimage_int.cpp, because there is no validation of the relationship of the total size to the offset and size.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
exiv2	19.10 eoan	Fixed 0.25-4ubuntu2.1
	19.04 disco	Fixed 0.25-4ubuntu1.2
	18.04 LTS bionic	Fixed 0.25-3.1ubuntu0.18.04.4
	16.04 LTS xenial	Fixed 0.25-2.1ubuntu16.04.5
	14.04 LTS trusty	Not in release

Notes

leosilva

second patch adds a regression test.

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
exiv2	Upstream: b789077 Upstream: 73b874f

Severity score breakdown

Parameter	Value
Base score	6.5 · Medium
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-4159-1
Exiv2 vulnerability
21 October 2019