high
7.5
CWE
416
Advisory Published
Updated

CVE-2015-0823: Use After Free

First published: Wed Feb 25 2015(Updated: )

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.

Credit: security@mozilla.org

Affected SoftwareAffected VersionHow to fix
Ubuntu=12.04
Ubuntu=14.04
Ubuntu=14.10
OpenType Sanitiser
Firefox<=35.0.1
Firefox=0.1
Firefox=0.2
Firefox=0.3
Firefox=0.4
Firefox=0.5
Firefox=0.6
Firefox=0.6.1
Firefox=0.7
Firefox=0.7.1
Firefox=0.8
Firefox=0.9
Firefox=0.9-rc
Firefox=0.9.1
Firefox=0.9.2
Firefox=0.9.3
Firefox=0.10
Firefox=0.10.1
Firefox=1.0
Firefox=1.0-preview_release
Firefox=1.0.1
Firefox=1.0.2
Firefox=1.0.3
Firefox=1.0.4
Firefox=1.0.5
Firefox=1.0.6
Firefox=1.0.7
Firefox=1.0.8
Firefox=1.4.1
Firefox=1.5
Firefox=1.5-beta1
Firefox=1.5-beta2
Firefox=1.5.0.1
Firefox=1.5.0.2
Firefox=1.5.0.3
Firefox=1.5.0.4
Firefox=1.5.0.5
Firefox=1.5.0.6
Firefox=1.5.0.7
Firefox=1.5.0.8
Firefox=1.5.0.9
Firefox=1.5.0.10
Firefox=1.5.0.11
Firefox=1.5.0.12
Firefox=1.5.1
Firefox=1.5.2
Firefox=1.5.3
Firefox=1.5.4
Firefox=1.5.5
Firefox=1.5.6
Firefox=1.5.7
Firefox=1.5.8
Firefox=1.8
Firefox=2.0
Firefox=2.0.0.1
Firefox=2.0.0.2
Firefox=2.0.0.3
Firefox=2.0.0.4
Firefox=2.0.0.5
Firefox=2.0.0.6
Firefox=2.0.0.7
Firefox=2.0.0.8
Firefox=2.0.0.9
Firefox=2.0.0.10
Firefox=2.0.0.11
Firefox=2.0.0.12
Firefox=2.0.0.13
Firefox=2.0.0.14
Firefox=2.0.0.15
Firefox=2.0.0.16
Firefox=2.0.0.17
Firefox=2.0.0.18
Firefox=2.0.0.19
Firefox=2.0.0.20
Firefox=3.0
Firefox=3.0.1
Firefox=3.0.2
Firefox=3.0.3
Firefox=3.0.4
Firefox=3.0.5
Firefox=3.0.6
Firefox=3.0.7
Firefox=3.0.8
Firefox=3.0.9
Firefox=3.0.10
Firefox=3.0.11
Firefox=3.0.12
Firefox=3.0.13
Firefox=3.0.14
Firefox=3.0.15
Firefox=3.0.16
Firefox=3.0.17
Firefox=3.0.18
Firefox=3.0.19
Firefox=3.5
Firefox=3.5.1
Firefox=3.5.2
Firefox=3.5.3
Firefox=3.5.4
Firefox=3.5.5
Firefox=3.5.6
Firefox=3.5.7
Firefox=3.5.8
Firefox=3.5.9
Firefox=3.5.10
Firefox=3.5.11
Firefox=3.5.12
Firefox=3.5.13
Firefox=3.5.14
Firefox=3.5.15
Firefox=3.5.16
Firefox=3.5.17
Firefox=3.5.18
Firefox=3.5.19
Firefox=3.6
Firefox=3.6.2
Firefox=3.6.3
Firefox=3.6.4
Firefox=3.6.6
Firefox=3.6.7
Firefox=3.6.8
Firefox=3.6.9
Firefox=3.6.10
Firefox=3.6.11
Firefox=3.6.12
Firefox=3.6.13
Firefox=3.6.14
Firefox=3.6.15
Firefox=3.6.16
Firefox=3.6.17
Firefox=3.6.18
Firefox=3.6.19
Firefox=3.6.20
Firefox=3.6.21
Firefox=3.6.22
Firefox=3.6.23
Firefox=3.6.24
Firefox=3.6.25
Firefox=3.6.26
Firefox=3.6.27
Firefox=3.6.28
Firefox=4.0
Firefox=4.0-beta1
Firefox=4.0-beta10
Firefox=4.0-beta11
Firefox=4.0-beta12
Firefox=4.0-beta2
Firefox=4.0-beta3
Firefox=4.0-beta4
Firefox=4.0-beta5
Firefox=4.0-beta6
Firefox=4.0-beta7
Firefox=4.0-beta8
Firefox=4.0-beta9
Firefox=4.0.1
Firefox=5.0
Firefox=5.0.1
Firefox=6.0
Firefox=6.0.1
Firefox=6.0.2
Firefox=7.0
Firefox=7.0.1
Firefox=8.0
Firefox=8.0.1
Firefox=9.0
Firefox=9.0.1
Firefox=10.0
Firefox=10.0.1
Firefox=10.0.2
Firefox=10.0.3
Firefox=10.0.4
Firefox=10.0.5
Firefox=10.0.6
Firefox=10.0.7
Firefox=10.0.8
Firefox=10.0.9
Firefox=10.0.10
Firefox=10.0.11
Firefox=10.0.12
Firefox=11.0
Firefox=12.0
Firefox=12.0-beta6
Firefox=13.0
Firefox=13.0.1
Firefox=14.0
Firefox=14.0.1
Firefox=15.0
Firefox=15.0.1
Firefox=16.0
Firefox=16.0.1
Firefox=16.0.2
Firefox=17.0
Firefox=17.0.1
Firefox=17.0.2
Firefox=17.0.3
Firefox=17.0.4
Firefox=17.0.5
Firefox=17.0.6
Firefox=17.0.7
Firefox=17.0.8
Firefox=17.0.9
Firefox=17.0.10
Firefox=17.0.11
Firefox=18.0
Firefox=18.0.1
Firefox=18.0.2
Firefox=19.0
Firefox=19.0.1
Firefox=19.0.2
Firefox=20.0
Firefox=20.0.1
Firefox=21.0
Firefox=22.0
Firefox=23.0
Firefox=23.0.1
Firefox=24.0
Firefox=24.1
Firefox=24.1.1
Firefox=25.0
Firefox=25.0.1
Firefox=26.0
Firefox=27.0
Firefox=27.0.1
Firefox=28.0
Firefox=29.0
Firefox=29.0.1
Firefox=30.0
Firefox=31.0
Firefox=31.1.0
Firefox=32.0
Firefox=33.0
Firefox=34.0.5
SUSE Linux=13.1
SUSE Linux=13.2

Remedy

https://github.com/khaledhosny/ots/commit/003c62d28ae438aa8943cb31535563397f838a2c

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2015-0823?

    CVE-2015-0823 is classified as a moderate security vulnerability in Mozilla Firefox due to multiple use-after-free issues.

  • How do I fix CVE-2015-0823?

    To mitigate CVE-2015-0823, users should upgrade to a patched version of Mozilla Firefox, specifically version 36.0 or later.

  • What versions of Firefox are affected by CVE-2015-0823?

    CVE-2015-0823 affects Mozilla Firefox versions prior to 36.0.

  • What impact can CVE-2015-0823 have on my system?

    Exploitation of CVE-2015-0823 may lead to the execution of arbitrary code or crashes through use-after-free vulnerabilities.

  • Is CVE-2015-0823 specific only to Firefox?

    While CVE-2015-0823 primarily affects Firefox, it is related to the OpenType Sanitiser used in multiple applications.

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