Security readout for executives and security teams
Plain-English summary
CVE-2023-3576 is a denial-of-service issue in libtiff's tiffcrop utility. If a user or automated process opens a specially crafted TIFF with tiffcrop, the tool can leak memory and crash. The business impact is service disruption in image-processing workflows, not data theft or system takeover based on the supplied sources.
Executive priority
Treat this as a moderate operational reliability issue. Prioritize patching servers or workstations that process external TIFF files, especially automated conversion pipelines, but it does not appear to justify emergency incident response from the supplied evidence.
Technical view
The flaw is a memory leak in tiffcrop.c affecting libtiff/tiffcrop. Red Hat rates it CVSS 3.1 score 5.5: local attack vector, low complexity, no privileges, user interaction required, and high availability impact. Sources describe crash potential from crafted TIFF input; they do not document confidentiality or integrity impact.
Likely exposure
Exposure is most likely on systems where tiffcrop is installed and processes untrusted TIFF files, including listed Red Hat Enterprise Linux libtiff-related packages. Risk is lower where tiffcrop is absent, unused, or only handles trusted images.
Exploitation context
The source bundle does not show CISA KEV listing or active exploitation evidence. Exploitation requires a crafted TIFF to be passed to tiffcrop, likely through user action or an automated image-processing workflow.
Researcher notes
Evidence is strongest for Red Hat-packaged libtiff components and the tiffcrop utility. The bundle lists some RHEL 6/7 statuses as unknown, so validate against vendor advisories. No exploit code, active exploitation, or universal upstream fixed version is provided in the supplied material.
Mitigation direction
- Apply vendor-provided libtiff updates from Red Hat or your distribution.
- Check Red Hat RHSA-2023:6575 and vendor CVE guidance for fixed package availability.
- Avoid processing untrusted TIFF files with tiffcrop until patched.
- Restrict automated tiffcrop workflows to trusted sources where feasible.
- Monitor distribution advisories for Debian and other maintained platforms.
Validation and detection
- Inventory systems with libtiff, compat-libtiff3, mingw-libtiff, or tiffcrop installed.
- Identify workflows that invoke tiffcrop on user-supplied TIFF files.
- Confirm installed packages match vendor-fixed versions or advisories.
- Review crash, memory, or job-failure logs around TIFF processing.
- Prioritize RHEL 8 and RHEL 9 packages marked affected in the bundle.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-119: Exact CWE lookup
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Open ATT&CK lookupCVE-2023-3576 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H1.83.6redhatVulnerability scoring details
Base CVSS 3.1 score
5.5MediumVector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- Source timelineredhat
Made public.
- Source timelineredhat
Reported to Red Hat.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- RHSA-2023:6575CVE reference, redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2023-3576CVE reference, redhat · vdb-entry, x_refsource_REDHAT
- RHBZ#2219340CVE reference, redhat · issue-tracking, x_refsource_REDHAT
- https://lists.debian.org/debian-lts-announce/2024/03/msg00011.htmlCVE reference, CVE · x_transferred
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Restriction of Operations within the Bounds of a Memory Buffer
Improper Restriction of Operations within the Bounds of a Memory Buffer represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.