CVE-2022-30775

Denial of service via crafted PDF allocation

Published May 16, 2022 · Updated Aug 3, 2024

Denial of service in Xpdf 4.04 allows context-dependent attackers to exhaust memory by supplying a crafted PDF to pdftoppm. Public records identify pdftoppm as the trigger but do not disclose the parsing locus or allocation operation that fails to bound crafted input. Processing requires user interaction or an application workflow that invokes the utility, and the resulting memory exhaustion interrupts PDF conversion.

CVSS severity5.5
Medium
EPSS probability0.83%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Denial of service in Xpdf 4.04 allows context-dependent attackers to exhaust memory by supplying a crafted PDF to pdftoppm. Public records identify pdftoppm as the trigger but do not disclose the parsing locus or allocation operation that fails to bound crafted input. Processing requires user interaction or an application workflow that invokes the utility, and the resulting memory exhaustion interrupts PDF conversion.

The record

CVE
CVE-2022-30775
Published
May 16, 2022
Updated
Aug 3, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-770, T1499
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 16, 2022CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

4.3NIST NVDAV:N/AC:M/Au:N/C:N/I:N/A:P
5.5NIST NVDCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-770Allocation of Resources Without Limits or Throttling
T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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