CVE-2017-7777: Buffer Overflow
First published: Tue Jul 18 2017(Updated: )
The use of uninitialized memory related to "graphite2::GlyphCache::Loader::read_glyph" has been reported in graphite2. An attacker could possibly exploit this flaw to negatively impact the execution of an application using graphite2 in unknown ways.
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 |
| Firefox | <54.0 | |
| Graphite2 | <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=1472225
- https://bugzilla.mozilla.org/show_bug.cgi?id=1349310
- https://bugzilla.mozilla.org/show_bug.cgi?id=1358551
- https://security-tracker.debian.org/tracker/CVE-2017-7777
Frequently Asked Questions
What is the severity of CVE-2017-7777?
CVE-2017-7777 has moderate severity as it involves the use of uninitialized memory that can impact application execution.
How do I fix CVE-2017-7777?
To fix CVE-2017-7777, update to the recommended versions of affected software such as Firefox, Firefox ESR, or Graphite2.
What software is affected by CVE-2017-7777?
CVE-2017-7777 affects the Firefox and Firefox ESR browsers, as well as the Graphite2 library.
Can CVE-2017-7777 be exploited remotely?
While CVE-2017-7777 could potentially be exploited, the exact exploit methods are not defined, making remote exploitation uncertain.
What kind of impact could CVE-2017-7777 have on users?
CVE-2017-7777 could negatively affect the execution of applications using Graphite2, leading to unpredictable behaviors.
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