CVE-2023-3576: A memory leak flaw was found in Libtiff's tiffcrop utility

Q: How do I fix CVE-2023-3576?

libtiff: upgrade to 4.5.1; fedora: mitigate or apply the listed mitigation; enterprise linux: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Q: Is CVE-2023-3576 being exploited?

CVE-2023-3576 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-3576 affect?

CVE-2023-3576 affects libtiff, fedora, enterprise linux. Severity is medium (CVSS 5.5). A memory leak flaw was found in Libtiff's tiffcrop utility. This issue occurs when tiffcrop operates on a TIFF image file, allowing an attacker to pass a crafted TIFF image file to tiffcrop utility, which causes this memory leak issue, resu

Q: How urgent is CVE-2023-3576?

Priority 31/100. On your watchlist

Routine

MEDIUM 5.5WATCHLISTUPGRADEMITIGATEMITIGATE

CVE-2023-3576 is a medium-severity flaw (CVSS 5.5) affecting libtiff, fedora, enterprise linux. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A memory leak flaw was found in Libtiff's tiffcrop utility. This issue occurs when tiffcrop operates on a TIFF image file, allowing an attacker to pass a crafted TIFF image file to tiffcrop utility, which causes this memory leak issue, resulting an application crash, eventually leading to a denial of service.

Why this priority

On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	5.5 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.3% (top 72%)
CISA exploited list	No
Weakness	CWE-119, CWE-401
Published	2023-10-04
Last modified	2026-06-23

Publisher (CNA): Red Hat, Inc. · Vendor: fedoraproject · libtiff · redhat

Last updated 2026-06-23 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-10-04 19:15 UTCPublished CVE record published
2026-06-23 18:17 UTCUpdated Record last modified

libtiff libtiff UPGRADE

Affected: < 4.5.1

Fixed in: 4.5.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy libtiff || rpm -q libtiff || libtiff --version

2. UPGRADE to 4.5.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade libtiff

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade libtiff

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

fedoraproject fedora MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

redhat enterprise linux MITIGATE

Affected: 8.0 · 9.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 8.0

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-3576?

libtiff: upgrade to 4.5.1; fedora: mitigate or apply the listed mitigation; enterprise linux: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-3576 being exploited?

CVE-2023-3576 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-3576 affect?

CVE-2023-3576 affects libtiff, fedora, enterprise linux. Severity is medium (CVSS 5.5). A memory leak flaw was found in Libtiff's tiffcrop utility. This issue occurs when tiffcrop operates on a TIFF image file, allowing an attacker to pass a crafted TIFF image file to tiffcrop utility, which causes this memory leak issue, resu

How urgent is CVE-2023-3576?

Priority 31/100. On your watchlist

Related CVEs

CVE-2026-4775 HIGH 7.8 UPGRADE MITIGATE A flaw was found in the libtiff library
CVE-2023-52355 HIGH 7.5 UPGRADE MITIGATE An out-of-memory flaw was found in libtiff that could be triggered by passing a crafted tiff file to the TIFFR
CVE-2023-30086 MEDIUM 5.5 DOWNGRADE Buffer Overflow vulnerability found in Libtiff V.4.0.7 allows a local attacker to cause a denial of service vi
CVE-2025-9165 LOW 2.5 DOWNGRADE A flaw has been found in LibTIFF 4.7.0
CVE-2025-8961 LOW 3.3 DOWNGRADE A weakness has been identified in LibTIFF 4.7.0

References

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