Heron allows CRLF log injection

CRITICAL 9.8CVE-2021-42010 · GHSA-95w5-q9vp-5vrm · Published 24/10/2022 · updated 17/06/2026

In short

CVE-2021-42010 is a CRITICAL (CVSS 9.8) vulnerability affecting org.apache.heron:heron-api, heron (apache).
Chance of exploitation in the next 30 days (EPSS): 1.8%, higher than 78.1% of all vulnerabilities.
Fix: update to 0.20.5-incubating or later.

Package	Affected versions	Patched versions
org.apache.heron:heron-api Maven	`< 0.20.5-incubating`	`0.20.5-incubating`
heron apache	`< 0.20.5-incubating`	`0.20.5-incubating`

Description

Heron versions <= 0.20.4-incubating allows CRLF log injection because of the lack of escaping in the log statements. Please update to version 0.20.5-incubating which addresses this issue.

NVD description

Heron versions <= 0.20.4-incubating allows CRLF log injection because of the lack of escaping in the log statements. Please update to version 0.20.5-incubating which addresses this issue.

References

nvd.nist.gov/vuln/detail/CVE-2021-42010 · ADVISORY
lists.apache.org/thread/j65nwr8n7jchngwqptzh100drcr4ry2q · WEB
openwall.com/lists/oss-security/2022/10/23/2 · WEB

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