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CVE Record

CVE-2026-24660: A heap-based buffer overflow vulnerability exists in the x3f_load_huffman functionality of LibRaw Commit d2...

A heap-based buffer overflow vulnerability exists in the x3f_load_huffman functionality of LibRaw Commit d20315b. A specially crafted malicious file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.

HighCVSS 8.1Not KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

This is a high-severity LibRaw image-parsing flaw. A malicious Sigma X3F-style raw image could trigger heap memory corruption in LibRaw’s Huffman-loading code, potentially affecting systems that automatically process attacker-supplied raw files.

Executive priority

Treat this as a timely patching and exposure-reduction item for image-processing environments, not a confirmed emergency. Risk rises where untrusted files are processed automatically.

Technical view

CVE-2026-24660 is a heap-based buffer overflow in LibRaw commit d20315b, specifically x3f_load_huffman. The CVSS 3.1 score is 8.1 with high confidentiality, integrity, and availability impact. The bundle lists CWE-120 and CWE-190.

Likely exposure

Exposure is most likely in applications, services, or pipelines using LibRaw to parse untrusted raw image files, especially X3F inputs. The bundle only names LibRaw commit d20315b as affected.

Exploitation context

The source bundle says an attacker can provide a specially crafted file to trigger the overflow. It does not show CISA KEV listing or cited evidence of active exploitation.

Researcher notes

Available evidence identifies the vulnerable function, weakness classes, CVSS vector, and affected commit. The bundle does not provide exploit details, a universal fixed upstream version, or proof of active exploitation.

Mitigation direction

  • Apply applicable LibRaw or downstream vendor updates, including relevant Red Hat advisories where used.
  • Check vendor guidance for fixed versions before claiming remediation is complete.
  • Restrict or sandbox processing of untrusted raw image files until updated.
  • Disable exposed X3F/raw ingestion paths if updates are not immediately available.
  • Prioritize systems that process files automatically or from external users.

Validation and detection

  • Inventory software and packages that include or link against LibRaw.
  • Compare deployed LibRaw versions or commits against d20315b and vendor advisories.
  • Identify workflows that accept untrusted raw or X3F image files.
  • Review image-processing crash reports for suspicious LibRaw failures.
  • Confirm Red Hat package status against listed RHSA advisories where applicable.
Prepared
Confidence
medium
Sources
10

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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 · low confidence lookup

CWE-120: 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.

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cwe · low confidence lookup

CWE-190: 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 lookup
cve · low confidence lookup

CVE-2026-24660 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
High
CVSS
8.1 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Official CVE source material

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.

2CVSS vectors
5Timeline events
3ADP providers
10Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: noTechnical Impact: total

CVSS vector scores

2 official scores

We 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.

ScoreVersionSeverityVectorExploitImpactSource
8.1CVSS 3.1HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H2.25.9talos
7.5CVSS 3.1HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H1.65.9redhat-SADP

Vulnerability scoring details

Base CVSS 3.1 score

8.1High
CVSS 3.1 vector shape for CVE-2026-24660Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. ADP timelineredhat-SADP

    Made public.

  3. CVE publishedCVE Program

    The CVE record was published.

  4. ADP timelineredhat-SADP

    Reported to Red Hat.

  5. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CVECVE Program Container
CISA-ADPCISA ADP Vulnrichment
other:ssvc
redhat-SADPLibRaw: LibRaw: Memory Corruption via Malicious File Processing
other:Red Hat severity ratingcvssV3_1
  • 2026-04-07T15:01:44.087Z: Reported to Red Hat.
  • 2026-04-07T13:49:25.335Z: Made public.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
LibRawLibRawCommit d20315bListed
Weakness

CWE details

CWE-120CWE-190

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-120 · source CWE mapping

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.

Open CWE intelligenceSame-CWE CVEs
CWE-190 · source CWE mapping

Integer Overflow or Wraparound

Integer Overflow or Wraparound represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.

Open CWE intelligenceSame-CWE CVEs