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CVE-2022-4645

19
FAUCET Score

CVE-2022-4645 describes an out-of-bounds read vulnerability in LibTIFF 4.4.0, specifically within the tiffcp tool. This flaw allows an attacker to trigger a denial-of-service by providing a specially crafted TIFF file. Rated as MEDIUM severity (CVSS 5.5), the vulnerability requires local access and low privileges, with the primary impact being system availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
36CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*
37CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*
38CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*
>= 3.5.1, <= 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
0.43%
Probability of exploitation in next 30 days
EPSS Percentile
34.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0043 is in the 89th percentile among its peer group of 15,940 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 (5)

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 4.5.0-1 on CBL Mariner 2.0Fixed in: 4.5.0-1
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: libtiff-0:4.0.9-31.el8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: libtiff-0:4.4.0-7.el9
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: compat-libtiff3

Vendor Advisories (2)

microsoft2023-Mar/CVE-2022-4645Moderate

LibTIFF 4.4.0 has an out-of-bounds read in tiffcp in tools/tiffcp.c:948 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 e8131125.

Mar 14, 2023
redhatCVE-2022-4645Moderate

libtiff: out-of-bounds read in tiffcp in tools/tiffcp.c

Mar 1, 2023

References

gitlab.com / gitlab-org/cves/-/blob/master/2022/CVE-2022-4645.json
Third Party Advisory
gitlab.com / libtiff/libtiff/-/commit/e813112545942107551433d61afd16ac094ff246
Patch
gitlab.com / libtiff/libtiff/-/issues/277
ExploitIssue TrackingVendor Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/2ZTFA6GGOKFPIQNHDBMXYUR4XUXUJESE
Third Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/BA6GRCAQ7NR2OK5N44UQRGUJBIYKWJJH
Third Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/OLM763GGZVVOAXIQXG6YGTYJ5VFYNECQ
Third Party Advisory
security.netapp.com / advisory/ntap-20230331-0001
Third Party Advisory