CVE-2016-4994 Use after free in n/a

High 7.8 Published Updated

Remote attackers can cause a crash or execute arbitrary code in GIMP by tricking users into opening a crafted XCF file.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2016-4994?

CVE-2016-4994 is a high-severity use after free vulnerability in Gimp Gimp, published on 12 Jul 2016. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Use-after-free vulnerability in the xcf_load_image function in app/xcf/xcf-load.c in GIMP allows remote attackers to cause a denial of service (program crash) or possibly execute arbitrary code via a crafted XCF file.

Weakness: CWE-416

Which versions are affected by CVE-2016-4994?

It affects 1 product.

Linux distribution packages (40)
gimp Red Hat:enterprise_linux:7::clientAll versions2:2.8.16-3.el7
gimp-debuginfo Red Hat:enterprise_linux:7::clientAll versions2:2.8.16-3.el7
gimp-devel Red Hat:enterprise_linux:7::clientAll versions2:2.8.16-3.el7
gimp-devel-tools Red Hat:enterprise_linux:7::clientAll versions2:2.8.16-3.el7
gimp-help Red Hat:enterprise_linux:7::clientAll versions0:2.8.2-1.el7
gimp-help-ca Red Hat:enterprise_linux:7::clientAll versions0:2.8.2-1.el7
gimp-help-da Red Hat:enterprise_linux:7::clientAll versions0:2.8.2-1.el7
gimp-help-de Red Hat:enterprise_linux:7::clientAll versions0:2.8.2-1.el7
gimp-help-el Red Hat:enterprise_linux:7::clientAll versions0:2.8.2-1.el7
gimp-help-en_GB Red Hat:enterprise_linux:7::clientAll versions0:2.8.2-1.el7
gimp-help-es Red Hat:enterprise_linux:7::clientAll versions0:2.8.2-1.el7
gimp-help-fr Red Hat:enterprise_linux:7::clientAll versions0:2.8.2-1.el7
gimp-help-it Red Hat:enterprise_linux:7::clientAll versions0:2.8.2-1.el7
gimp-help-ja Red Hat:enterprise_linux:7::clientAll versions0:2.8.2-1.el7
gimp-help-ko Red Hat:enterprise_linux:7::clientAll versions0:2.8.2-1.el7
gimp-help-nl Red Hat:enterprise_linux:7::clientAll versions0:2.8.2-1.el7
gimp-help-nn Red Hat:enterprise_linux:7::clientAll versions0:2.8.2-1.el7
gimp-help-pt_BR Red Hat:enterprise_linux:7::clientAll versions0:2.8.2-1.el7
gimp-help-ru Red Hat:enterprise_linux:7::clientAll versions0:2.8.2-1.el7
gimp-help-sl Red Hat:enterprise_linux:7::clientAll versions0:2.8.2-1.el7
gimp-help-sv Red Hat:enterprise_linux:7::clientAll versions0:2.8.2-1.el7
gimp-help-zh_CN Red Hat:enterprise_linux:7::clientAll versions0:2.8.2-1.el7
gimp-libs Red Hat:enterprise_linux:7::clientAll versions2:2.8.16-3.el7
gimp Red Hat:enterprise_linux:7::serverAll versions2:2.8.16-3.el7
gimp-debuginfo Red Hat:enterprise_linux:7::serverAll versions2:2.8.16-3.el7
gimp-devel Red Hat:enterprise_linux:7::serverAll versions2:2.8.16-3.el7
gimp-devel-tools Red Hat:enterprise_linux:7::serverAll versions2:2.8.16-3.el7
gimp-help Red Hat:enterprise_linux:7::serverAll versions0:2.8.2-1.el7
gimp-help-ca Red Hat:enterprise_linux:7::serverAll versions0:2.8.2-1.el7
gimp-help-da Red Hat:enterprise_linux:7::serverAll versions0:2.8.2-1.el7
gimp-help-de Red Hat:enterprise_linux:7::serverAll versions0:2.8.2-1.el7
gimp-help-el Red Hat:enterprise_linux:7::serverAll versions0:2.8.2-1.el7
gimp-help-en_GB Red Hat:enterprise_linux:7::serverAll versions0:2.8.2-1.el7
gimp-help-es Red Hat:enterprise_linux:7::serverAll versions0:2.8.2-1.el7
gimp-help-fr Red Hat:enterprise_linux:7::serverAll versions0:2.8.2-1.el7
gimp-help-it Red Hat:enterprise_linux:7::serverAll versions0:2.8.2-1.el7
gimp-help-ja Red Hat:enterprise_linux:7::serverAll versions0:2.8.2-1.el7
gimp-help-ko Red Hat:enterprise_linux:7::serverAll versions0:2.8.2-1.el7
gimp-help-nl Red Hat:enterprise_linux:7::serverAll versions0:2.8.2-1.el7
gimp-help-nn Red Hat:enterprise_linux:7::serverAll versions0:2.8.2-1.el7

Products include Gimp Gimp.

How do I fix CVE-2016-4994?

Apply the vendor's patch.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2016-4994 being exploited?

There is no known exploitation of CVE-2016-4994 in the wild and no public exploit code.

All Gimp Gimp vulnerabilities

Sources

Also known as DEBIAN-CVE-2016-4994, DLA-525-1, DSA-3612-1, GHSA-94h5-f27v-4pc3, MGASA-2016-0241, RHSA-2016:2589 and 4 more.

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