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MEDIUM severity

Allocation of Resources Without Limits or Throttling in iTextGHSA-hhh6-cm2m-3fhc

MEDIUMFix: itext/itext7#78

GHSA-hhh6-cm2m-3fhc is a medium-severity (CVSS 6.5) CWE-770 vulnerability in com.itextpdf:itext7-core. 1 public exploit reference exists, so weaponization risk is real. A fix is available for com.itextpdf:itext7-core — see the affected versions and patch details below.

Also known asCVE-2022-24196
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
1 known
Exploitation data as of Oct 11, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
1.4%probability of exploitation in next 30 days
Lower Risk-0.22%
Lower risk than most CVEs72th percentile — riskier than 72% of all scored CVEsHighest risk
0.19%0.83%1.47%2.11%0.7%1.4%Apr 26Aug 26Oct 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

GHSA-hhh6-cm2m-3fhc by exploitation likelihood (EPSS) against impact (CVSS). Outside the shaded patch-first corner.

Where this sits among everything scored

Of 385,738 CVEs with a current EPSS score, this one falls in the < 10% band (highlighted). Counts from FIRST.org, log-scaled.

Real-World Exposure

1 pkg affected
☕com.itextpdf:itext7-core

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Maven packages — download data is not available via public APIs for these ecosystems.

Description

iText v7.1.17, up to (exluding)": 7.1.18 and 7.2.2 was discovered to contain an out-of-memory error via the component readStreamBytesRaw, which allows attackers to cause a Denial of Service (DoS) via a crafted PDF file.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
☕Mavencom.itextpdf:itext7-coreall versions7.1.18com.itextpdf:itext7-core:7.1.18

Affected Products

1 product · 1 configurations
Application
itextitextpdf
< 7.2.2
range
Exploits & PoCs
1

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

iText v7.1.17, up to (exluding)": 7.1.18 and 7.2.2 was discovered to con…

github.comNVDJun 2022

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for com.itextpdf:itext7-core, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update com.itextpdf:itext7-core to 7.1.18 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-hhh6-cm2m-3fhc is resolved across your whole dependency graph.

  3. Workarounds

    Cap what an attacker can consume: apply request size, rate and timeout limits in front of the affected component, and run it with memory and CPU limits so exhaustion degrades one worker rather than the whole service.

Frequently Asked Questions

iText v7.1.17 was discovered to contain an out-of-memory error via the component readStreamBytesRaw, which allows attackers to cause a Denial of Service (DoS) via a crafted PDF file.
O3 Security · Impact-Aware SCA

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Allocation of Resources Without Limits or Throttling in iText