CVE-2017-7776: Buffer Overflow
First published: Tue Jul 18 2017(Updated: )
An out of bounds read flaw related to "graphite2::Silf::getClassGlyph" has been reported in graphite2. An attacker could possibly exploit this flaw to disclose potentially sensitive memory or cause an application crash.
Credit: security@mozilla.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/firefox | 118.0.2-1 | |
| debian/firefox-esr | 91.12.0esr-1~deb10u1 115.3.1esr-1~deb10u1 102.15.0esr-1~deb11u1 115.3.1esr-1~deb11u1 102.15.1esr-1~deb12u1 115.3.0esr-1~deb12u1 115.3.0esr-1 | |
| debian/graphite2 | 1.3.13-7 1.3.14-1 | |
| redhat/graphite2 | <1.3.10 | 1.3.10 |
| Mozilla Firefox | <54.0 | |
| Graphite | <1.3.10 |
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Reference Links
- https://www.mozilla.org/en-US/security/advisories/mfsa2017-15/
- https://www.mozilla.org/en-US/security/advisories/mfsa2017-16/#CVE-2017-7778
- https://sourceforge.net/p/silgraphite/mailman/message/35824024/
- https://access.redhat.com/errata/RHSA-2017:1793
- https://bugzilla.redhat.com/show_bug.cgi?id=1472223
- https://bugzilla.mozilla.org/show_bug.cgi?id=1356607
- https://security-tracker.debian.org/tracker/CVE-2017-7776
Frequently Asked Questions
What is the severity of CVE-2017-7776?
CVE-2017-7776 has a moderate severity level due to its potential for causing application crashes or disclosing sensitive information.
How do I fix CVE-2017-7776?
To resolve CVE-2017-7776, update Firefox to version 118.0.2-1 or Firefox ESR to an acceptable patched version.
Which software is affected by CVE-2017-7776?
CVE-2017-7776 affects Firefox versions prior to 54 and the Graphite2 library versions before 1.3.10.
Can CVE-2017-7776 be exploited remotely?
Yes, CVE-2017-7776 can potentially be exploited by attackers to access sensitive memory remotely.
Is there a specific patch for CVE-2017-7776 in the Graphite2 library?
Yes, to mitigate CVE-2017-7776, you should update Graphite2 to at least versions 1.3.13-7 or 1.3.14-1.
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