CVE-2021-26945
Published: 8 June 2021
An integer overflow leading to a heap-buffer overflow was found in OpenEXR in versions before 3.0.1. An attacker could use this flaw to crash an application compiled with OpenEXR.
Notes
| Author | Note |
|---|---|
| mdeslaur | it looks like the fix for this issue actually went into the exrcheck tool used by the fuzzer |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
openexr Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(code not present)
|
| focal |
Needs triage
|
|
| groovy |
Ignored
(end of life)
|
|
| hirsute |
Ignored
(end of life)
|
|
| impish |
Ignored
(end of life)
|
|
| jammy |
Needs triage
|
|
| kinetic |
Ignored
(end of life, was needs-triage)
|
|
| lunar |
Ignored
(end of life, was needs-triage)
|
|
| mantic |
Needs triage
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Not vulnerable
(code not present)
|
|
|
Patches: upstream: https://github.com/AcademySoftwareFoundation/openexr/pull/930/commits/0445bd02f9b70d6f9d82d270f5b9d1ad86f3bccc upstream: https://github.com/AcademySoftwareFoundation/openexr/pull/930/commits/b73ec53bd24ba116d7bf48ebdc868301c596706e |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |