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CVE-2023-0797

20
FAUCET Score

CVE-2023-0797 is an out-of-bounds read vulnerability in LibTIFF 4.4.0, specifically within the tiffcrop utility, affecting products utilizing the libtiff library. This flaw allows an unauthenticated attacker to trigger a denial-of-service by enticing a user to open a specially crafted TIFF file. Rated as Medium severity (CVSS 5.5), it requires local access and user interaction to exploit, with the primary impact being system availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

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:L/I:N/A:H

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

Exploit Intelligence

EPSS Score
0.42%
Probability of exploitation in next 30 days
EPSS Percentile
34.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0042 is in the 41st 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 (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 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
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: libtiff

Vendor Advisories (2)

microsoft2023-Feb/CVE-2023-0797Moderate

LibTIFF 4.4.0 has an out-of-bounds read in tiffcrop in libtiff/tif_unix.c:368 invoked by tools/tiffcrop.c:2903 and tools/tiffcrop.c:6921 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 afaabc3e.

Feb 14, 2023
redhatCVE-2023-0797Moderate

libtiff: out-of-bounds read in _TIFFmemcpy() in libtiff/tif_unix.c when called by functions in tools/tiffcrop.c

Feb 12, 2023

References

gitlab.com / gitlab-org/cves/-/blob/master/2023/CVE-2023-0797.json
VDB Entry
gitlab.com / libtiff/libtiff/-/commit/afaabc3e50d4e5d80a94143f7e3c997e7e410f68
Patch
gitlab.com / libtiff/libtiff/-/issues/495
ExploitIssue TrackingPatchVendor Advisory
lists.debian.org / debian-lts-announce/2023/02/msg00026.html
security.gentoo.org / glsa/202305-31
debian.org / security/2023/dsa-5361