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CVE-2016-4543

Publication date 6 May 2016

Last updated 24 July 2024

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

9.8 · Critical

Score breakdown

The exif_process_IFD_in_JPEG function in ext/exif/exif.c in PHP before 5.5.35, 5.6.x before 5.6.21, and 7.x before 7.0.6 does not validate IFD sizes, which allows remote attackers to cause a denial of service (out-of-bounds read) or possibly have unspecified other impact via crafted header data.

Read the notes from the security team

Status

Package Ubuntu Release Status
php5 16.04 LTS xenial Not in release
15.10 wily
Fixed 5.6.11+dfsg-1ubuntu3.4
14.04 LTS trusty
Fixed 5.5.9+dfsg-1ubuntu4.17
12.04 LTS precise
Fixed 5.3.10-1ubuntu3.23
php7.0 16.04 LTS xenial
Fixed 7.0.4-7ubuntu2.1
15.10 wily Not in release
14.04 LTS trusty Not in release
12.04 LTS precise Not in release

Notes

sbeattie

Fixed in 7.0.6, 5.6.21, 5.5.35

mdeslaur

same commit as CVE-2016-4542

Patch details

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

Package Patch details
php5
php7.0

Severity score breakdown

Parameter Value
Base score 9.8 · Critical
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

Other references