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CVE Record

CVE-2022-25885: Denial of Service (DoS)

The package muhammara before 2.6.0; all versions of package hummus are vulnerable to Denial of Service (DoS) when PDFStreamForResponse() is used with invalid data.

HighCVSS 7.5Not KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

This CVE can let malformed PDF-related input crash or exhaust availability in services using affected Node PDF libraries. The business impact is service disruption, not data theft or tampering based on the supplied sources. It matters most where PDF generation or response streaming is exposed to untrusted users.

Executive priority

Treat as high priority for internet-facing PDF workflows because the likely outcome is outage or degraded service. Internal-only or unreachable usage is lower urgency but should still be remediated during normal dependency maintenance.

Technical view

muhammara before 2.6.0 and all versions of hummus are reported vulnerable to denial of service when PDFStreamForResponse() handles invalid data. The assigned weakness is CWE-20 input validation. CVSS 3.1 is 7.5, network-accessible, low complexity, unauthenticated, with high availability impact only.

Likely exposure

Exposure is likely in Node.js applications that include muhammara or hummus and call PDFStreamForResponse() on user-supplied, uploaded, fetched, or otherwise untrusted PDF data.

Exploitation context

The source bundle does not show CISA KEV listing or confirmed active exploitation. The CVSS vector indicates exploitation can be network reachable, unauthenticated, low complexity, and requires no user interaction if vulnerable functionality is exposed.

Researcher notes

The evidence identifies vulnerable package families and the triggering API, but does not provide exploit maturity, operational indicators, or a named hummus fix. Validate actual exposure by code path, not dependency presence alone.

Mitigation direction

  • Upgrade muhammara to 2.6.0 or later where used.
  • For hummus, check maintainer guidance; no fixed version is named in the bundle.
  • Restrict untrusted input paths reaching PDFStreamForResponse().
  • Add input validation and failure handling around PDF response streaming.
  • Prioritize public PDF upload, rendering, or conversion services.

Validation and detection

  • Inventory package manifests and lockfiles for muhammara and hummus.
  • Confirm deployed muhammara versions are not below 2.6.0.
  • Search application code for PDFStreamForResponse() usage.
  • Map each usage to public routes, APIs, jobs, or upload flows.
  • Review logs for repeated PDF processing failures or availability incidents.
Prepared
Confidence
high
Sources
7

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-20: 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-2022-25885 mapping review

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

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
High
CVSS
7.5 (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: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.

1CVSS vectors
0Timeline events
0ADP providers
6Source links

CVSS vector scores

1 official score

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
7.5CVSS 3.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H3.93.6Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

7.5High
CVSS 3.1 vector shape for CVE-2022-25885Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/amuhammaraunspecifiedListed
n/ahummus0Listed
Weakness

CWE details

CWE-20

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

CWE-20 · source CWE mapping

Improper Input Validation

Improper Input Validation represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.

Open CWE intelligenceSame-CWE CVEs