Is CVE-2015-0823 being actively exploited?

CVE-2015-0823 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2015-0823?

CVE-2015-0823 has a CVSS 2.0 base score of 7.5 (HIGH).

CVE-2015-0823

HIGH · CVSS 7.5EPSS 3.9%EU EUVD

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.

Key facts

CVSS score: 7.5 (v2.0)
Severity: HIGH
CVSS vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS score: 3.9% (90th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2015-0836)
Published: February 25, 2015
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2015-0836 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
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mozilla / firefox
mozilla / firefox
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mozilla / firefox
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mozilla / firefox
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mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
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mozilla / firefox
mozilla / firefox
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and 188 more…

References

http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00000.html(Third Party Advisory)
http://lists.opensuse.org/opensuse-updates/2015-03/msg00067.html(Third Party Advisory)
http://www.mozilla.org/security/announce/2015/mfsa2015-23.html(Vendor Advisory)
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
http://www.securityfocus.com/bid/72754(Third Party Advisory, VDB Entry)
http://www.securitytracker.com/id/1031791(Third Party Advisory, VDB Entry)
http://www.ubuntu.com/usn/USN-2505-1(Third Party Advisory)
https://bugzilla.mozilla.org/show_bug.cgi?id=1098497(Issue Tracking)
https://github.com/khaledhosny/ots/commit/003c62d28ae438aa8943cb31535563397f838a2c(Issue Tracking, Patch)
https://security.gentoo.org/glsa/201504-01

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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