CVE-2018-7731: Null Pointer Dereference
First published: Tue Mar 06 2018(Updated: )
An issue was discovered in Exempi through 2.4.4. XMPFiles/source/FormatSupport/WEBP_Support.cpp does not check whether a bitstream has a NULL value, leading to a NULL pointer dereference in the WEBP::VP8XChunk class.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Exempi Project Exempi | <=2.4.4 | |
| Canonical Ubuntu Linux | =14.04 | |
| Canonical Ubuntu Linux | =16.04 | |
| Canonical Ubuntu Linux | =17.10 | |
| debian/exempi | 2.5.2-1 2.6.3-1 2.6.5-1 |
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Reference Links
- https://bugs.freedesktop.org/show_bug.cgi?id=105247
- https://cgit.freedesktop.org/exempi/commit/?id=aabedb5e749dd59112a3fe1e8e08f2d934f56666
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BCFXKOOATZ2B5G3G7EBXZWVZHEABN4ZV/
- https://usn.ubuntu.com/3668-1/
- https://launchpad.net/bugs/cve/CVE-2018-7731
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BCFXKOOATZ2B5G3G7EBXZWVZHEABN4ZV/
- https://security-tracker.debian.org/tracker/CVE-2018-7731
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7731
- https://nvd.nist.gov/vuln/detail/CVE-2018-7731
- https://ubuntu.com/security/CVE-2018-7731
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