CVE-2018-7999: Null Pointer Dereference
First published: Fri Mar 09 2018(Updated: )
In libgraphite2 in graphite2 1.3.11, a NULL pointer dereference vulnerability was found in Segment.cpp during a dumbRendering operation, which may allow attackers to cause a denial of service or possibly have unspecified other impact via a crafted .ttf file.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Graphite2 | =1.3.11 |
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Reference Links
- https://github.com/silnrsi/graphite/commit/db132b4731a9b4c9534144ba3a18e65b390e9ff6
- https://github.com/silnrsi/graphite/issues/22
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L5F3CK2IPXFCLQZEBEEXONWIABN2E7H2/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LVWOKYZZDEMG6VSG53KAGUOHUIIQ7CND/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LVWOKYZZDEMG6VSG53KAGUOHUIIQ7CND/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L5F3CK2IPXFCLQZEBEEXONWIABN2E7H2/
Frequently Asked Questions
What is the severity of CVE-2018-7999?
CVE-2018-7999 is classified as a high severity vulnerability due to its potential to cause denial of service.
How do I fix CVE-2018-7999?
To mitigate CVE-2018-7999, upgrade to a patched version of libgraphite2 that addresses this vulnerability.
What causes the vulnerability CVE-2018-7999?
CVE-2018-7999 is caused by a NULL pointer dereference in the Segment.cpp during a dumbRendering operation.
Which version of libgraphite2 is affected by CVE-2018-7999?
The specific version of libgraphite2 affected by CVE-2018-7999 is 1.3.11.
What impact can CVE-2018-7999 have on a system?
CVE-2018-7999 can lead to a denial of service, and potentially other unspecified impacts through the processing of a crafted .ttf file.
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- agent/software-canonical-lookup-request
- vendor/sil
- canonical/graphite2
- version/graphite2/1.3.11