Bug 1985493 (CVE-2020-19498) - CVE-2020-19498 libheif: floating point exception in Fraction()
Summary: CVE-2020-19498 libheif: floating point exception in Fraction()
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2020-19498
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
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Depends On:
Blocks: 1985496
TreeView+ depends on / blocked
 
Reported: 2021-07-23 17:56 UTC by Guilherme de Almeida Suckevicz
Modified: 2021-07-27 19:06 UTC (History)
2 users (show)

Fixed In Version:
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A floating-point exception flaw was found in the Fraction function in libheif. This flaw allows an attacker to cause a denial of service and other possible unspecified impacts. The highest threat from this vulnerability is to system availability.
Clone Of:
Environment:
Last Closed: 2021-07-27 19:06:47 UTC

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Description Guilherme de Almeida Suckevicz 2021-07-23 17:56:33 UTC 
Floating point exception in function Fraction in libheif 1.4.0, allows attackers to cause a Denial of Service or possibly other unspecified impacts.

Reference:
https://github.com/strukturag/libheif/issues/139

Upstream patch:
https://github.com/strukturag/libheif/commit/2710c930918609caaf0a664e9c7bc3dce05d5b58
Comment 1 Product Security DevOps Team 2021-07-27 19:06:47 UTC 
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2020-19498
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