CVE-2015-4493

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.

Category

9.3
CVSS
Severity: Critical
CVSS 2.0 •
EPSS 6.98% Top 10%
Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory gentoo.org Vendor Advisory debian.org Vendor Advisory opensuse.org Vendor Advisory mozilla.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://lists.opensuse.org/opensuse-updates/2015-08/msg00031.html vendor advisory
http://www.ubuntu.com/usn/USN-2702-3 vendor advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1186718 issue tracking
http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00014.html third party advisory vendor advisory
http://lists.opensuse.org/opensuse-updates/2015-08/msg00030.html vendor advisory
http://rhn.redhat.com/errata/RHSA-2015-1586.html vendor advisory
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html third party advisory
http://www.mozilla.org/security/announce/2015/mfsa2015-83.html vendor advisory
http://www.securitytracker.com/id/1033247 vdb entry
https://hg.mozilla.org/mozilla-central/rev/a674c7019cb5
http://www.ubuntu.com/usn/USN-2702-2 third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-2702-1 third party advisory vendor advisory
https://security.gentoo.org/glsa/201605-06 vendor advisory
http://www.debian.org/security/2015/dsa-3333 vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00015.html third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2015-4493?
CVE-2015-4493 has been scored as a critical severity vulnerability.
How to fix CVE-2015-4493?
To fix CVE-2015-4493, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-4493 being actively exploited in the wild?
It is possible that CVE-2015-4493 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~7% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.