A issue was found in pdfalto 0.2.

published 2018-10-12 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-10009

cvss: 7.8; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.2%; EPSS 1.2% chance of exploitation in 30 days, percentile 69%
public exploits: 0; none known

A issue was found in pdfalto 0.2. There is a heap-based buffer overflow in the TextPage::addAttributsNode function in XmlAltoOutputDev.cc.

Exploit prediction

1.25% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/TeamSeri0us/pocs/tree/master/pdfalto referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.0	7.8	CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD	2.0	6.8	AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness

CWE-787 Out-of-bounds Write

References

github.com /TeamSeri0us/pocs/tree/master/pdfalto
exploit, third-party-advisory
github.com /kermitt2/pdfalto/issues/33
third-party-advisory

Sources

CVE List CVE-2018-18274
NVD CVE-2018-18274

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary