Security readout for executives and security teams
Plain-English summary
CVE-2020-24870 is a memory-safety flaw in LibRaw. Versions before 0.20.1 can overflow a stack buffer while handling DNG metadata. Business risk depends on whether applications or services process untrusted raw/DNG images, especially upload pipelines or automated media processing.
Executive priority
Treat this as a targeted remediation item for systems that process untrusted raw images. It is not KEV-listed and has no provided severity score, but parser memory bugs can matter in upload or media automation environments.
Technical view
LibRaw before 0.20.1 has a stack buffer overflow in LibRaw::identify_process_dng_fields in identify.cpp. The public record points to a GitHub issue, a fixing commit, and a Gentoo advisory. No CVSS vector or CWE is provided in the bundle.
Likely exposure
Exposure is most likely where LibRaw is embedded in image import, photo management, forensic, content scanning, or conversion workflows that process attacker-supplied raw/DNG files. The bundle does not identify downstream affected products.
Exploitation context
The source bundle does not show active exploitation, and CISA KEV status is false. The risk is plausible malformed-file processing, but the provided sources do not establish exploitability beyond the reported stack buffer overflow.
Researcher notes
Key gaps are absent CVSS, absent CWE mapping, and no downstream product list. Focus assessment on LibRaw version discovery, DNG/raw processing exposure, and whether the fixing commit or 0.20.1 package is present.
Mitigation direction
- Upgrade LibRaw to 0.20.1 or later where available.
- Apply distribution security updates, including relevant Gentoo guidance if applicable.
- Inventory applications and services that bundle or dynamically link LibRaw.
- Restrict processing of untrusted raw/DNG files until patched.
- Check vendor guidance for downstream products embedding LibRaw.
Validation and detection
- Confirm installed LibRaw versions are 0.20.1 or later.
- Review software bills of materials for bundled LibRaw copies.
- Check image-processing services for raw/DNG upload or conversion paths.
- Verify distribution package advisories have been applied.
- Document any exposed workflows that still process untrusted raw images.
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-2020-24870 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/LibRaw/LibRaw/issues/330CVE reference · x_refsource_MISC
- https://github.com/LibRaw/LibRaw/commit/4feaed4dea636cee4fee010f615881ccf76a096dCVE reference · x_refsource_MISC
- GLSA-202208-07CVE reference · vendor-advisory, x_refsource_GENTOO
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.