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CVE-2023-0803

17
FAUCET Score

CVE-2023-0803 describes an out-of-bounds write vulnerability in LibTIFF version 4.4.0, specifically within the tiffcrop tool. This flaw allows an unauthenticated attacker to trigger a denial-of-service condition by processing a specially crafted TIFF file. The vulnerability has a CVSS score of 5.5 (Medium), indicating a local attack vector with low complexity, requiring user interaction, and primarily impacting availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.4.0CPE matchmatch criteria
cpe:2.3:a:libtiff:libtiff:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.8MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
HIGH
Exploitability Score
2.5
Impact Score
4.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.31%
Probability of exploitation in next 30 days
EPSS Percentile
67.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0131 is in the 41st percentile among its peer group of 5,758 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 (7)

microsoftpatch availablevia msrc
Product: cm1 libtiff 4.5.0-1 on CBL Mariner 1.0Fixed in: 4.5.0-1
microsoftpatch availablevia msrc
Product: cbl2 libtiff 4.4.0-8 on CBL Mariner 2.0Fixed in: 4.4.0-8
microsoftpatch availablevia msrc
Product: 17977-16820Fixed in: 4.5.0-1
microsoftpatch availablevia msrc
Product: 17976-16823Fixed in: 4.4.0-8
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: libtiff-0:4.0.9-29.el8_8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: libtiff-0:4.4.0-8.el9_2
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: compat-libtiff3

Vendor Advisories (2)

microsoft2023-Feb/CVE-2023-0803Moderate

LibTIFF 4.4.0 has an out-of-bounds write in tiffcrop in tools/tiffcrop.c:3516 allowing attackers to cause a denial-of-service via a crafted tiff file. For users that compile libtiff from sources the fix is available with commit 33aee127.

Feb 14, 2023
redhatCVE-2023-0803Moderate

libtiff: out-of-bounds write in extractContigSamplesShifted16bits() in tools/tiffcrop.c

Feb 12, 2023

References

gitlab.com / gitlab-org/cves/-/blob/master/2023/CVE-2023-0803.json
VDB Entry
gitlab.com / libtiff/libtiff/-/commit/33aee1275d9d1384791d2206776eb8152d397f00
Patch
gitlab.com / libtiff/libtiff/-/issues/501
ExploitIssue TrackingPatchVendor Advisory
lists.debian.org / debian-lts-announce/2023/02/msg00026.html
security.gentoo.org / glsa/202305-31
security.netapp.com / advisory/ntap-20230316-0002
debian.org / security/2023/dsa-5361