CVE-2020-27756: Divide by Zero
First published: Tue Nov 03 2020(Updated: )
In ImageMagick, a division by zero can lead to outside the range of representable value at MagickCore/geometry.c and signed integer overflow at MagickCore/decorate.c. Reference: <a href="https://github.com/ImageMagick/ImageMagick/issues/1725">https://github.com/ImageMagick/ImageMagick/issues/1725</a> Upstream patch: <a href="https://github.com/ImageMagick/ImageMagick/commit/f35eca82b0c294ff9d0ccad104a881c3ae2ba913">https://github.com/ImageMagick/ImageMagick/commit/f35eca82b0c294ff9d0ccad104a881c3ae2ba913</a>
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| ImageMagick ImageMagick | >=6.9.9-34<6.9.10-69 | |
| ImageMagick ImageMagick | >=7.0.0-0<7.0.9-0 | |
| redhat/ImageMagick 7.0.9 | <0 | 0 |
| debian/imagemagick | 8:6.9.11.60+dfsg-1.3+deb11u4 8:6.9.11.60+dfsg-1.3+deb11u3 8:6.9.11.60+dfsg-1.6+deb12u2 8:6.9.11.60+dfsg-1.6+deb12u1 8:7.1.1.39+dfsg1-3 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=1894233
- https://lists.debian.org/debian-lts-announce/2023/03/msg00008.html
- https://launchpad.net/bugs/cve/CVE-2020-27756
- https://github.com/ImageMagick/ImageMagick/issues/1725
- https://github.com/ImageMagick/ImageMagick/commit/f35eca82b0c294ff9d0ccad104a881c3ae2ba913
- https://access.redhat.com/support/policy/updates/errata
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1901257
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1901258
- https://access.redhat.com/security/cve/cve-2020-27756
- https://github.com/ImageMagick/ImageMagick6/commit/d3d96f05950275b916207bf9df03640ef3e9fd6e
- https://github.com/ImageMagick/ImageMagick6/commit/7dd318e6f7f86eb41e474e3131c59ea26af6c1b2
- https://security-tracker.debian.org/tracker/CVE-2020-27756
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27756
- https://nvd.nist.gov/vuln/detail/CVE-2020-27756
- https://ubuntu.com/security/CVE-2020-27756
Frequently Asked Questions
What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2020-27756.
What is the severity of CVE-2020-27756?
The severity of CVE-2020-27756 is medium.
Which software is affected by CVE-2020-27756?
ImageMagick is affected by CVE-2020-27756.
How does CVE-2020-27756 impact applications?
CVE-2020-27756 can impact application availability.
How can I fix the vulnerability CVE-2020-27756?
To fix CVE-2020-27756, update ImageMagick to version 8:6.9.10.23+dfsg-2.1ubuntu11.4 or later.
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