CVE-2015-4493 Memory corruption in n/a

What is CVE-2015-4493?

CVE-2015-4493 is a critical memory corruption vulnerability in Canonical Ubuntu Linux, published on 16 Aug 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

Heap-based buffer overflow in the stagefright::ESDS::parseESDescriptor function in libstagefright in Mozilla Firefox before 40.0 and Firefox ESR 38.x before 38.2 allows remote attackers to execute arbitrary code via an invalid size field in an esds chunk in MPEG-4 video data, a related issue to CVE-2015-1539.

Weakness: CWE-119

Which versions are affected by CVE-2015-4493?

It affects 4 products.

Products include Canonical Ubuntu Linux, Mozilla Firefox, Opensuse Opensuse, Oracle Solaris.

How do I fix CVE-2015-4493?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2015-4493 being exploited?

There is no known exploitation of CVE-2015-4493 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-8mf7-p7xv-mq52, UBUNTU-CVE-2015-4493.