CVE-2019-15133

Published: 17 August 2019

In GIFLIB before 2019-02-16, a malformed GIF file triggers a divide-by-zero exception in the decoder function DGifSlurp in dgif_lib.c if the height field of the ImageSize data structure is equal to zero.

Priority

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package	Release	Status
giflib Launchpad, Ubuntu, Debian	upstream	Released (5.1.8)
	bionic	Released (5.1.4-2ubuntu0.1)
	disco	Released (5.1.4-3ubuntu0.1)
	trusty	Does not exist
	xenial	Released (5.1.4-0.3~16.04.1)
	Patches: upstream: https://sourceforge.net/p/giflib/code/ci/799eb6a3af8a3dd81e2429bf11a72a57e541f908/

Severity score breakdown

Parameter	Value
Base score	6.5
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

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