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CVE-2016-2191

Publication date 13 April 2016

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

6.5 · Medium

Score breakdown

The bmp_read_rows function in pngxtern/pngxrbmp.c in OptiPNG before 0.7.6 allows remote attackers to cause a denial of service (invalid memory write and crash) via a series of delta escapes in a crafted BMP image.

Status

Package Ubuntu Release Status
optipng 15.10 wily
Fixed 0.7.5-1ubuntu0.1
14.04 LTS trusty
Fixed 0.6.4-1ubuntu0.14.04.1
12.04 LTS precise
Fixed 0.6.4-1ubuntu0.12.04.1

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:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-2951-1
    • OptiPNG vulnerabilities
    • 18 April 2016

Other references