Security readout for executives and security teams
Plain-English summary
CVE-2026-25795 is a crash bug in ImageMagick. If ImageMagick processes an SFW image and temporary file creation fails, affected versions can dereference a NULL pointer and crash. The known impact is availability loss, not data theft or code execution. Patched versions are available.
Executive priority
Treat as a moderate availability risk. Patch during the normal vulnerability remediation cycle, faster for public-facing upload or conversion services. This is not currently evidenced as exploited in the provided sources and does not indicate confidentiality or integrity impact.
Technical view
In ImageMagick ReadSFWImage() in coders/sfw.c, temporary file creation failure leads to DestroyImageInfo(read_info) before read_info->filename is accessed. This causes CWE-476 NULL pointer dereference. Affected versions are ImageMagick 7 before 7.1.2-15 and 6 before 6.9.13-40. CVSS 3.1 score is 5.3, availability impact low.
Likely exposure
Exposure is most relevant where ImageMagick processes untrusted or user-supplied images, especially services accepting uploads or converting images automatically. The issue appears limited to the SFW decoder path and a temporary-file failure condition. Systems not using ImageMagick, not enabling SFW processing, or already patched are less exposed.
Exploitation context
The provided sources do not report active exploitation, and the CVE is not marked KEV. The CVSS vector indicates network reachability, low complexity, no privileges, and no user interaction, but the documented result is a crash only. Exploitation depends on reaching vulnerable image-processing workflows and triggering the failing temporary-file path.
Researcher notes
Evidence is limited to the CVE record and GitHub advisory. The root cause is a use-after-destroyed ImageInfo flow resulting in NULL pointer dereference, not documented memory corruption for code execution. Validate downstream distributions carefully because package versions may contain backported patches without matching upstream version numbers.
Mitigation direction
- Upgrade ImageMagick 7 to 7.1.2-15 or later.
- Upgrade ImageMagick 6 to 6.9.13-40 or later.
- Prioritize systems processing untrusted image uploads or automated conversions.
- If immediate upgrade is not possible, check ImageMagick advisory for vendor guidance.
Validation and detection
- Inventory ImageMagick versions across servers, containers, and application dependencies.
- Confirm deployed versions are not below 7.1.2-15 or 6.9.13-40.
- Identify services that process user-supplied images with ImageMagick.
- Review ImageMagick security advisory and package vendor notices for backported fixes.
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
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CWE-476: Exact CWE lookup
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Open ATT&CK lookupCVE-2026-25795 mapping review
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Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
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:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L3.91.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.3MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-p33r-fqw2-rqmmCVE reference · x_refsource_CONFIRM
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.
NULL Pointer Dereference
NULL Pointer Dereference represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.