CVE-2017-7772: Buffer Overflow
First published: Tue Jul 18 2017(Updated: )
A heap-based buffer overflow flaw related to "lz4::decompress" has been reported in graphite2. A remote attacker could exploit this issue to cause a crash, or, possibly, execute arbitrary code.
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=1472213
- https://bugzilla.mozilla.org/show_bug.cgi?id=1352745
- https://security-tracker.debian.org/tracker/CVE-2017-7772
Frequently Asked Questions
What is the severity of CVE-2017-7772?
CVE-2017-7772 is classified as a high severity vulnerability due to the potential for remote code execution.
How do I fix CVE-2017-7772?
To fix CVE-2017-7772, update to the recommended versions of Firefox or Graphite2 provided in the advisory.
What systems are affected by CVE-2017-7772?
CVE-2017-7772 affects Firefox versions prior to 54 and certain versions of the Graphite2 library.
Can CVE-2017-7772 be exploited remotely?
Yes, CVE-2017-7772 can be exploited remotely by an attacker to cause a crash or potentially execute arbitrary code.
What is the nature of the flaw in CVE-2017-7772?
CVE-2017-7772 is a heap-based buffer overflow vulnerability found in the lz4::decompress function of the Graphite2 library.
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