CVE-2020-28591

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.9% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2021-03-03 · updated 2026-06-17
Weakness: CWE-20

Description

An out-of-bounds read vulnerability exists in the AMF File AMFParserContext::endElement() functionality of Slic3r libslic3r 1.3.0 and Master Commit 92abbc42. A specially crafted AMF file can lead to information disclosure. An attacker can provide a malicious file to trigger this vulnerability.

Affected products

Fedoraproject Fedora: 32, 33, 34
Slic3r libslic3r: 1.3.0

References

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KBEK4H23AS6TKTGU2OTMHAZZYNECQVCB/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TCSYYURJTUKJSEZIPDAXK4NHRXZMHIVA/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WJPM24DY36EH3HFJGAXDLGFT43VZWLJ7/
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1215
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KBEK4H23AS6TKTGU2OTMHAZZYNECQVCB/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TCSYYURJTUKJSEZIPDAXK4NHRXZMHIVA/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WJPM24DY36EH3HFJGAXDLGFT43VZWLJ7/
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1215

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