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No exploitation reported

CVE-2019-12835

No exploitation reported by the sources we read.

  • Published2019-06-15
  • WeaknessCWE-787

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

formats/xml.cpp in Leanify 0.4.3 allows for a controlled out-of-bounds write in xml_memory_writer::write via characters that require escaping.

Timeline

dates in UTC
  1. 2019-06-1519:29CVE publishedNVD

Versions per branch

NVD
Leanify project leanify
BranchAffectedFixed in
0.4= 0.4.3no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2019-06-15
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-8pp4-337x-268v

Frequently asked questions

What is CVE-2019-12835?

formats/xml.cpp in Leanify 0.4.3 allows for a controlled out-of-bounds write in xml_memory_writer::write via characters that require escaping.

Is CVE-2019-12835 actively exploited?

Active exploitation of CVE-2019-12835 has not been confirmed. Its EPSS score was 1.6% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-12835?

CVE-2019-12835 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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