01 Record

CVE-2020-28591

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

HighPUBLISHEDCNA: talos

CNA base score8.6 CVSS v3.xCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

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02 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

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 1.88% probability of exploitation activity in the next 30 days.
EPSS percentile: Equal to or higher than the score of 79.3% of scored records. A rank, not a probability.
NVD base score: 6.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
NVD analysis status: Modified. NVD last modified this record on 2026-06-17.
Red Hat severity: No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2021-03-03 17:50Z5 YR AGO

Last updated

2024-08-04 16:40Z2 YR AGO

Reserved

2020-11-13

Assigning CNA

talos

Record state

PUBLISHED

Severity

High (CVSS 8.6)

CNA CVSS vector

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

Weaknesses

CWE-20Improper Input ValidationClass
CWE-125Out-of-bounds ReadBase

Data version

5.1

Document digest

94a8fa141a753416fa19c2d60dc8915a2db2421e45a878dadf13be62423e0668

05 Affected products

VendorProductVersionsPlatforms

n/aSlic3rSlic3r libslic3r 1.3.0 , Slic3r libslic3r Master Commit 92abbc42—

06 References

talosintelligence.comhttps://talosintelligence.com/vulnerability_reports/TALOS-2020-1215x_refsource_MISC
lists.fedoraproject.orgFEDORA-2021-70a78ade08https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TCSYYURJTUKJSEZIPDAXK4NHRXZMHIVA/vendor-advisoryx_refsource_FEDORA
lists.fedoraproject.orgFEDORA-2021-473e880567https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WJPM24DY36EH3HFJGAXDLGFT43VZWLJ7/vendor-advisoryx_refsource_FEDORA
lists.fedoraproject.orgFEDORA-2021-1d72d8cea2https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KBEK4H23AS6TKTGU2OTMHAZZYNECQVCB/vendor-advisoryx_refsource_FEDORA

07 Fixed in

Debian 12

slic3r
Fixed in 1.3.0+dfsg1-4

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.