CVE-2015-4493

CRITICAL 9.3CVE-2015-4493 · Published 16/08/2015 · updated 17/06/2026

In short

CVE-2015-4493 is a CRITICAL (CVSS 9.3) vulnerability affecting firefox (mozilla).
Chance of exploitation in the next 30 days (EPSS): 6.7%, higher than 93.9% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
firefox mozilla	`= 38.0= 38.0.1= 38.0.5= 38.1.0≤ 39.0.3`	No fix yet

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.

References

lists.opensuse.org/opensuse-security-announce/2015-08/msg00014.html · Third Party Advisory
lists.opensuse.org/opensuse-security-announce/2015-08/msg00015.html · Third Party Advisory
lists.opensuse.org/opensuse-updates/2015-08/msg00030.html
lists.opensuse.org/opensuse-updates/2015-08/msg00031.html
rhn.redhat.com/errata/RHSA-2015-1586.html
debian.org/security/2015/dsa-3333
mozilla.org/security/announce/2015/mfsa2015-83.html · Vendor Advisory
oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html · Third Party Advisory
securitytracker.com/id/1033247
ubuntu.com/usn/USN-2702-1 · Third Party Advisory
ubuntu.com/usn/USN-2702-2 · Third Party Advisory
ubuntu.com/usn/USN-2702-3
bugzilla.mozilla.org/show_bug.cgi · Issue Tracking
hg.mozilla.org/mozilla-central/rev/a674c7019cb5
security.gentoo.org/glsa/201605-06

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