Medium severity · published Jun 8, 2021
CVE-2021-26260
An integer overflow leading to a heap-buffer overflow was found in the DwaCompressor of OpenEXR in versions before 3.0.1
5.5
CVSS
1.1%
EPSS
No
On KEV
Description
An integer overflow leading to a heap-buffer overflow was found in the DwaCompressor of OpenEXR in versions before 3.0.1. An attacker could use this flaw to crash an application compiled with OpenEXR. This is a different flaw from CVE-2021-23215.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 64% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
9.0; 10.0; 11.0 · source: NVD
FE
Fedora · Fedoraproject
33 · source: NVD
OP
Openexr · Openexr
before 3.0.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-26260
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-26260
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1947582
Mailing List
https://lists.debian.org/debian-lts-announce/2021/07/msg00001.html
Mailing List
https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BXFLD4ZAXKAIWO6ZPBCQEEDZB5IG676K/
Third Party Advisory
https://www.debian.org/security/2022/dsa-5299
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