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CVE-2021-20296

Status Candidate

Overview

A flaw was found in OpenEXR in versions before 3.0.0-beta. A crafted input file supplied by an attacker, that is processed by the Dwa decompression functionality of OpenEXR's IlmImf library, could cause a NULL pointer dereference. The highest threat from this vulnerability is to system availability.

Related Files

Gentoo Linux Security Advisory 202107-27
Posted Jul 12, 2021
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202107-27 - Multiple vulnerabilities have been found in OpenEXR, the worst of which could result in the arbitrary execution of code. Versions less than 2.5.6 are affected.

tags | advisory, arbitrary, vulnerability
systems | linux, gentoo
advisories | CVE-2020-11758, CVE-2020-11759, CVE-2020-11760, CVE-2020-11761, CVE-2020-11762, CVE-2020-11763, CVE-2020-11764, CVE-2020-11765, CVE-2020-15304, CVE-2020-15305, CVE-2020-15306, CVE-2021-20296, CVE-2021-3474, CVE-2021-3475, CVE-2021-3476, CVE-2021-3477, CVE-2021-3478, CVE-2021-3479
SHA-256 | 333c7588d54f2e8a939b1f0260d8b2e50a3f1286525e37aac98132ae6b41dd54
Ubuntu Security Notice USN-4996-2
Posted Jun 22, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4996-2 - USN-4996-1 fixed several vulnerabilities in OpenEXR. This update provides the corresponding update for Ubuntu 16.04 ESM. It was discovered that OpenEXR incorrectly handled certain malformed EXR image files. If a user were tricked into opening a crafted EXR image file, a remote attacker could cause a denial of service, or possibly execute arbitrary code. Various other issues were also addressed.

tags | advisory, remote, denial of service, arbitrary, vulnerability
systems | linux, ubuntu
advisories | CVE-2021-20296, CVE-2021-3605
SHA-256 | 128d55f1c08b249ea5de751303509c3dfe40682a628e2c70692523f220901242
Ubuntu Security Notice USN-4996-1
Posted Jun 22, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4996-1 - It was discovered that OpenEXR incorrectly handled certain malformed EXR image files. If a user were tricked into opening a crafted EXR image file, a remote attacker could cause a denial of service, or possibly execute arbitrary code.

tags | advisory, remote, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2021-20296, CVE-2021-3605
SHA-256 | c1d8432bd5673f2f735de434123e0d0b122b5d2292e00547868b58c8b352df49
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