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CVE-2021-3605

21
FAUCET Score

CVE-2021-3605 is an out-of-bounds read vulnerability in the rleUncompress function of OpenEXR versions prior to 3.0.5, affecting various Debian and Red Hat OpenEXR distributions. An unauthenticated attacker could trigger this flaw by submitting a specially crafted file to an application linked with OpenEXR, requiring user interaction. The vulnerability has a CVSS score of 5.5 (Medium) and primarily impacts application availability, with no confidentiality or integrity impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.0.5CPE matchmatch criteria
cpe:2.3:a:openexr:openexr:*:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
10.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
11.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.01%
Probability of exploitation in next 30 days
EPSS Percentile
59.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0101 is in the 70th percentile among its peer group of 5,765 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

redhatpatch availablevia nvd_reference
View patch
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: gimp:flatpak/OpenEXR
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: OpenEXR

Vendor Advisories (1)

redhatCVE-2021-3605Low

OpenEXR: Heap buffer overflow in the rleUncompress function

Jun 11, 2021

References

bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatchThird Party Advisory
lists.debian.org / debian-lts-announce/2022/12/msg00022.html
Mailing ListThird Party Advisory
security.gentoo.org / glsa/202210-31
Third Party Advisory
debian.org / security/2022/dsa-5299
Mailing ListThird Party Advisory