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CVE-2023-26965

17
FAUCET Score

CVE-2023-26965 is a heap-based use-after-free vulnerability in the loadImage() function of LibTIFF versions through 4.5.0, triggered by a specially crafted TIFF image. This 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
<= 4.5.0CPE matchmatch criteria
cpe:2.3:a:libtiff:libtiff:*:*:*:*:*:*:*:*

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
0.38%
Probability of exploitation in next 30 days
EPSS Percentile
30.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0038 is in the 37th 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 (8)

microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 ARMFixed in: 4.5.1-1
microsoftpatch availablevia msrc
Product: CBL Mariner 1.0 ARMFixed in: 4.5.1-1
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 x64Fixed in: 4.5.1-1
microsoftpatch availablevia msrc
Product: cm1 libtiff 4.5.1-1 on CBL Mariner 1.0Fixed in: 4.5.1-1
microsoftpatch availablevia msrc
Product: cbl2 libtiff 4.5.1-1 on CBL Mariner 2.0Fixed in: 4.5.1-1
microsoftpatch availablevia msrc
Product: CBL Mariner 1.0 x64Fixed in: 4.5.1-1
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: libtiff-0:4.4.0-10.el9
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: libtiff

Vendor Advisories (3)

microsoft2023-Jul/CVE-2023-26965

CVE-2023-26965

Jul 11, 2023
redhatCVE-2023-26965Moderate

libtiff: heap-based use after free via a crafted TIFF image in loadImage() in tiffcrop.c

Jun 14, 2023
microsoft2023-Jun/CVE-2023-26965Moderate

loadImage() in tools/tiffcrop.c in LibTIFF through 4.5.0 has a heap-based use after free via a crafted TIFF image.

Jun 13, 2023

References

lists.debian.org / debian-lts-announce/2025/01/msg00019.html
gitlab.com / libtiff/libtiff/-/merge_requests/472
ExploitIssue TrackingPatch
lists.debian.org / debian-lts-announce/2023/07/msg00034.html
security.netapp.com / advisory/ntap-20230706-0009