Security readout for executives and security teams
Plain-English summary
LibTIFF’s tiffcrop tool can read outside intended memory when handling a specially crafted TIFF file. The documented impact is denial of service, with possible limited information exposure per CVSS. Business urgency depends on whether the organization processes untrusted TIFF images in automated workflows.
Executive priority
Treat as a targeted remediation item, not an emergency. Prioritize systems that automatically process external TIFF files because successful exploitation can disrupt those services.
Technical view
CVE-2023-0795 is a CWE-125 out-of-bounds read in LibTIFF 4.4.0 and earlier, reported in tools/tiffcrop.c around line 3488. Sources identify a crafted TIFF file as the trigger and commit afaabc3e as the source-level fix for users compiling LibTIFF themselves.
Likely exposure
Exposure is most likely in systems, appliances, or applications that include LibTIFF <=4.4.0 and process TIFF files from users, partners, email, archives, or automated image pipelines.
Exploitation context
The supplied data does not show CISA KEV listing or active exploitation. Public sources describe a crafted-file denial-of-service condition, not remote network exploitation or weaponized public exploitation.
Researcher notes
Evidence supports an out-of-bounds read in tiffcrop with denial-of-service impact. The bundle names the fixing commit but does not provide broader exploit telemetry, complete downstream product scope, or a universal patched version number.
Mitigation direction
- Upgrade LibTIFF or vendor tiff packages to patched versions.
- For source builds, apply LibTIFF commit afaabc3e or a later fixed release.
- Reduce or sandbox processing of untrusted TIFF files until patched.
- Check vendor advisories for bundled LibTIFF in appliances and products.
- Prioritize internet-facing upload and conversion workflows first.
Validation and detection
- Inventory hosts and containers for LibTIFF and tiffcrop versions.
- Flag LibTIFF versions <=4.4.0 for remediation review.
- Confirm distro advisories, such as Debian or Gentoo updates, are installed.
- Identify applications that automatically process TIFF uploads or attachments.
- Review product SBOMs for bundled LibTIFF dependencies.
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-125: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2023-0795 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
- 6.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/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.
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:N/S:U/C:L/I:N/A:H2.54.2Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.8MediumVector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://gitlab.com/libtiff/libtiff/-/issues/493CVE reference
- https://gitlab.com/libtiff/libtiff/-/commit/afaabc3e50d4e5d80a94143f7e3c997e7e410f68CVE reference
- https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-0795.jsonCVE reference
- [debian-lts-announce] 20230221 [SECURITY] [DLA 3333-1] tiff security updateCVE reference · mailing-list
- DSA-5361CVE reference · vendor-advisory
- https://security.netapp.com/advisory/ntap-20230316-0003/CVE reference
- GLSA-202305-31CVE reference · vendor-advisory
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.
Out-of-bounds Read
Out-of-bounds Read represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.