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CVE-2018-14946

26
FAUCET Score

CVE-2018-14946 describes a critical memory management vulnerability in PDF2JSON version 0.69, specifically within the HtmlString class in ImgOutputDev.cc. This flaw, categorized as CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer), stems from mismatched memory allocation and deallocation routines (malloc versus operator delete). With a CVSS score of 8.8 (HIGH), successful exploitation could lead to high confidentiality, integrity, and availability impacts, requiring user interaction but being network-exploitable with low attack complexity. While no active exploitation, public exploit code, or significant community discussion has been observed, its high severity warrants attention.

Impacted Technologies

VendorProductVersion(s)CPE
0.69CPE matchmatch criteria
cpe:2.3:a:flowpaper:pdf2json:0.69:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.60%
Probability of exploitation in next 30 days
EPSS Percentile
73.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0160 is in the 72nd percentile among its peer group of 14,825 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / flexpaper/pdf2json/issues/19
ExploitThird Party Advisory
github.com / fouzhe/security/tree/master/pdf2json
ExploitThird Party Advisory