ubuntu-cve-2020-25666
Vulnerability from osv_ubuntu
Published
2020-12-08 21:15
Modified
2026-04-22 07:39
Summary
Details
There are 4 places in HistogramCompare() in MagickCore/histogram.c where an integer overflow is possible during simple math calculations. This occurs in the rgb values and count value for a color. The patch uses casts to ssize_t type for these calculations, instead of int. This flaw could impact application reliability in the event that ImageMagick processes a crafted input file. This flaw affects ImageMagick versions prior to 7.0.9-0.
Severity
N/A (UNKNOWN)
References
{
"affected": [
{
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
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{
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{
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{
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{
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},
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},
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"8:6.8.9.9-7ubuntu1",
"8:6.8.9.9-7ubuntu2",
"8:6.8.9.9-7ubuntu3",
"8:6.8.9.9-7ubuntu4",
"8:6.8.9.9-7ubuntu5",
"8:6.8.9.9-7ubuntu5.1",
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"8:6.8.9.9-7ubuntu5.3",
"8:6.8.9.9-7ubuntu5.4",
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{
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"binary_name": "imagemagick-common",
"binary_version": "8:6.9.7.4+dfsg-16ubuntu6.11"
},
{
"binary_name": "libimage-magick-perl",
"binary_version": "8:6.9.7.4+dfsg-16ubuntu6.11"
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{
"binary_name": "libimage-magick-q16-perl",
"binary_version": "8:6.9.7.4+dfsg-16ubuntu6.11"
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{
"binary_name": "libimage-magick-q16hdri-perl",
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"binary_name": "libmagick++-6-headers",
"binary_version": "8:6.9.7.4+dfsg-16ubuntu6.11"
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"binary_name": "libmagick++-6.q16-7",
"binary_version": "8:6.9.7.4+dfsg-16ubuntu6.11"
},
{
"binary_name": "libmagick++-6.q16hdri-7",
"binary_version": "8:6.9.7.4+dfsg-16ubuntu6.11"
},
{
"binary_name": "libmagickcore-6-arch-config",
"binary_version": "8:6.9.7.4+dfsg-16ubuntu6.11"
},
{
"binary_name": "libmagickcore-6-headers",
"binary_version": "8:6.9.7.4+dfsg-16ubuntu6.11"
},
{
"binary_name": "libmagickcore-6.q16-3",
"binary_version": "8:6.9.7.4+dfsg-16ubuntu6.11"
},
{
"binary_name": "libmagickcore-6.q16-3-extra",
"binary_version": "8:6.9.7.4+dfsg-16ubuntu6.11"
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"binary_name": "libmagickcore-6.q16hdri-3",
"binary_version": "8:6.9.7.4+dfsg-16ubuntu6.11"
},
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"binary_name": "libmagickcore-6.q16hdri-3-extra",
"binary_version": "8:6.9.7.4+dfsg-16ubuntu6.11"
},
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"binary_name": "libmagickwand-6-headers",
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"binary_name": "libmagickwand-6.q16-3",
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},
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"binary_name": "libmagickwand-6.q16hdri-3",
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{
"binary_name": "perlmagick",
"binary_version": "8:6.9.7.4+dfsg-16ubuntu6.11"
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]
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"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "imagemagick",
"purl": "pkg:deb/ubuntu/imagemagick@8:6.9.7.4+dfsg-16ubuntu6.11?arch=source\u0026distro=bionic"
},
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"8:6.9.7.4+dfsg-16ubuntu4",
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"8:6.9.7.4+dfsg-16ubuntu6.2",
"8:6.9.7.4+dfsg-16ubuntu6.3",
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"8:6.9.7.4+dfsg-16ubuntu6.7",
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"ecosystem_specific": {
"availability": "No subscription required",
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"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "imagemagick",
"purl": "pkg:deb/ubuntu/imagemagick@8:6.9.10.23+dfsg-2.1ubuntu11.4?arch=source\u0026distro=focal"
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"ranges": [
{
"events": [
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"introduced": "0"
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{
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}
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"type": "ECOSYSTEM"
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],
"versions": [
"8:6.9.10.23+dfsg-2.1ubuntu3",
"8:6.9.10.23+dfsg-2.1ubuntu8",
"8:6.9.10.23+dfsg-2.1ubuntu9",
"8:6.9.10.23+dfsg-2.1ubuntu10",
"8:6.9.10.23+dfsg-2.1ubuntu11",
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],
"aliases": [],
"details": "There are 4 places in HistogramCompare() in MagickCore/histogram.c where an integer overflow is possible during simple math calculations. This occurs in the rgb values and `count` value for a color. The patch uses casts to `ssize_t` type for these calculations, instead of `int`. This flaw could impact application reliability in the event that ImageMagick processes a crafted input file. This flaw affects ImageMagick versions prior to 7.0.9-0.",
"id": "UBUNTU-CVE-2020-25666",
"modified": "2026-04-22T07:39:32Z",
"published": "2020-12-08T21:15:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2020-25666"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-4988-1"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-25666"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-7068-1"
}
],
"related": [
"USN-4988-1",
"USN-7068-1"
],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2020-25666"
]
}
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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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