CVE-2015-0823 Use after free in n/a

What is CVE-2015-0823?

CVE-2015-0823 is a high-severity use after free vulnerability in Canonical Ubuntu Linux, published on 25 Feb 2015. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Multiple use-after-free vulnerabilities in OpenType Sanitiser, as used in Mozilla Firefox before 36.0, might allow remote attackers to trigger problematic Developer Console information or possibly have unspecified other impact by leveraging incorrect macro expansion, related to the ots::ots_gasp_parse function.

Which versions are affected by CVE-2015-0823?

It affects 4 products.

Products include Canonical Ubuntu Linux, Mozilla Firefox, Opensuse Opensuse, Opentype Sanitiser Project Opentype Sanitiser.

How do I fix CVE-2015-0823?

Upgrade to a fixed version.

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-2015-0823 being exploited?

There is no known exploitation of CVE-2015-0823 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-45cf-8gr9-j528, UBUNTU-CVE-2015-0823.