Security readout for executives and security teams
Plain-English summary
CVE-2021-27847 describes a division-by-zero flaw in Libvips 8.10.5. In business terms, the main concern is reliability: systems using this library for image processing may fail when vulnerable code paths are reached. The public bundle does not provide severity, CVSS, patch status, or confirmed exploitation.
Executive priority
Treat this as a targeted exposure review, not an emergency response, unless Libvips 8.10.5 is used in critical image-processing services exposed to untrusted input.
Technical view
The CVE description names Libvips 8.10.5 and two functions: vips_eye_point in eye.c and vips_mask_point in mask.c. The flaw is categorized only as division-by-zero in the supplied sources. No CWE, CVSS vector, affected CPE, exploit details, or fixed version is provided.
Likely exposure
Exposure is most likely in applications, services, or build images that include Libvips 8.10.5, especially where image processing handles untrusted inputs. The source bundle does not enumerate downstream products or package distributions.
Exploitation context
CISA KEV status is false, and the cited sources do not claim active exploitation. The available evidence supports a potential availability concern, but not remote code execution, privilege escalation, or weaponized exploit activity.
Researcher notes
The public record is sparse: no CVSS, CWE, affected CPE, fixed version, or exploit status is supplied. Analysis should stay anchored to Libvips 8.10.5 and the two named functions until vendor or maintainer details are confirmed.
Mitigation direction
- Inventory services and containers for Libvips 8.10.5.
- Review Libvips issue 1236 and vendor release guidance.
- If a fixed vendor release is confirmed, upgrade through managed package channels.
- Apply sandboxing and resource limits around image-processing workloads.
- Restrict untrusted image processing where business workflows allow.
Validation and detection
- Check SBOMs, lockfiles, and container manifests for Libvips 8.10.5.
- Confirm whether production image workflows invoke Libvips functionality.
- Review crash, worker restart, and image-processing failure logs.
- Verify vendor guidance before marking remediation complete.
- Document compensating controls if upgrade status remains unclear.
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.
CVE-2021-27847 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/libvips/libvips/issues/1236CVE reference · x_refsource_MISC
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.