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libtiff CVE-2026-52490

| EUVDEUVD-2026-65144 CRITICAL
Code Injection (CWE-94)
2026-08-24 mitre GHSA-6qm2-q5vx-rh4c
RCE Code Injection N A
9.8
CVSS 3.1 · Vendor: mitre
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Severity by source

Vendor (mitre) PRIMARY
9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
vuln.today AI
7.8 HIGH

tiffcrop is a locally run CLI parsing attacker-supplied input, so AV:L and UI:R; successful code execution yields full C/I/A impact.

3.1 AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
4.0 AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
SUSE
7.3 HIGH
AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Red Hat
7.3 HIGH
qualitative

Primary rating from Vendor (mitre).

CVSS VectorVendor: mitre

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

4
Analysis Generated
Aug 25, 2026 - 20:25 vuln.today
CVSS changed
Aug 25, 2026 - 20:22 NVD
9.8 (CRITICAL)
CVE Published
Aug 24, 2026 - 00:00 cve.org
CRITICAL 9.8
CVE Published
Aug 24, 2026 - 00:00 cve.org
UNKNOWN (no severity yet)

DescriptionCVE.org

An issue in libtiff 85f2ac8e0b01cb7db2bbecf4a3b891bdbef67938 allows an attacker to execute arbitrary code via the process_command_opts() function in tools/tiffcrop.c

AnalysisAI

Arbitrary code execution in libtiff's tiffcrop utility (commit 85f2ac8e) stems from the process_command_opts() function in tools/tiffcrop.c, classified as CWE-94 code injection. An attacker who can influence the input processed by tiffcrop can trigger execution of arbitrary code. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

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Exploit
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Execution
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Vulnerability AssessmentAI

Exploitation Exploitation requires that the vulnerable tiffcrop tool actually be invoked on attacker-influenced input - either a crafted TIFF file or attacker-controlled command-line options reaching process_command_opts() in tools/tiffcrop.c. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The signals conflict sharply and should temper the headline 9.8. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation No vendor-released patched version is identified in the available data, and the fix is tracked upstream via the libtiff GitLab work item (https://gitlab.com/libtiff/libtiff/-/work_items/846) - monitor that item and rebuild from the fixed commit or the next tagged libtiff release once published; do not deploy an unverified version number. … Detailed patch versions, workarounds, and compensating controls in full report.
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Recommended ActionAI

Within 24 hours, identify systems running libtiff with tiffcrop functionality and assess whether they process external or untrusted TIFF files; if image processing is limited to internal sources, escalate to monitoring status. …

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Threat intelligence, references, and detailed analysis are available after sign-in.

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Vendor StatusVendor

SUSE

Severity: Important
Product Status
SUSE Linux Enterprise Desktop 15 SP7 Not-Affected
SUSE Linux Enterprise High Performance Computing 12 Not-Affected
SUSE Linux Enterprise Micro 5.3 Not-Affected
SUSE Linux Enterprise Micro 5.4 Not-Affected
SUSE Linux Enterprise Micro 5.5 Not-Affected

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CVE-2026-52490 vulnerability details – vuln.today
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