CVE-2018-19535

Publication date 25 November 2018

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

In Exiv2 0.26 and previous versions, PngChunk::readRawProfile in pngchunk_int.cpp may cause a denial of service (application crash due to a heap-based buffer over-read) via a crafted PNG file.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
exiv2	19.04 disco	Fixed 0.25-4ubuntu1.1
	18.10 cosmic	Fixed 0.25-4ubuntu0.2
	18.04 LTS bionic	Fixed 0.25-3.1ubuntu0.18.04.3
	16.04 LTS xenial	Fixed 0.25-2.1ubuntu16.04.4
	14.04 LTS trusty	Not in release

Notes

mdeslaur

1-byte invalid read

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-4056-1
Exiv2 vulnerabilities
15 July 2019