CVE-2018-19566: A heap buffer over-read in parse_tiff_ifd in dcraw through 9.28 could be used by attackers able to supply mali

Q: How do I fix CVE-2018-19566?

dcraw: upgrade to newer than 9.28. Exact commands for each OS are on this page.

Q: Is CVE-2018-19566 being exploited?

CVE-2018-19566 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-2018-19566 affect?

CVE-2018-19566 affects dcraw. Severity is high (CVSS 7.1). A heap buffer over-read in parse_tiff_ifd in dcraw through 9.28 could be used by attackers able to supply malicious files to crash an application that bundles the dcraw code or leak private information.

This month

HIGH 7.1UPGRADE

CVE-2018-19566 is a high-severity flaw (CVSS 7.1) affecting dcraw. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A heap buffer over-read in parse_tiff_ifd in dcraw through 9.28 could be used by attackers able to supply malicious files to crash an application that bundles the dcraw code or leak private information.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.1 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	1.1% (top 35%)
CISA exploited list	No
Weakness	CWE-125
Published	2018-11-26
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: dcraw project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2018-11-26 20:29 UTCPublished CVE record published
2026-06-17 01:49 UTCUpdated Record last modified

dcraw project dcraw UPGRADE

Affected: <= 9.28

Fixed in: newer than 9.28

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 9.28 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade dcraw

Note

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

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-2018-19566?

dcraw: upgrade to newer than 9.28. Exact commands for each OS are on this page.

Is CVE-2018-19566 being exploited?

CVE-2018-19566 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-2018-19566 affect?

CVE-2018-19566 affects dcraw. Severity is high (CVSS 7.1). A heap buffer over-read in parse_tiff_ifd in dcraw through 9.28 could be used by attackers able to supply malicious files to crash an application that bundles the dcraw code or leak private information.

How urgent is CVE-2018-19566?

Priority 41/100. High severity

Related CVEs

CVE-2021-3624 HIGH 7.8 DOWNGRADE MITIGATE There is an integer overflow vulnerability in dcraw
CVE-2018-19655 HIGH 8.8 UPGRADE MITIGATE A stack-based buffer overflow in the find_green() function of dcraw through 9.28, as used in ufraw-batch and m
CVE-2018-19568 MEDIUM 5.5 UPGRADE A floating point exception in kodak_radc_load_raw in dcraw through 9.28 could be used by attackers able to sup
CVE-2018-19567 MEDIUM 5.5 UPGRADE A floating point exception in parse_tiff_ifd in dcraw through 9.28 could be used by attackers able to supply m
CVE-2018-19565 HIGH 7.1 UPGRADE A buffer over-read in crop_masked_pixels in dcraw through 9.28 could be used by attackers able to supply malic

References

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