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CVE-2021-41771

HIGH
7.5
CVSS Score
Published: November 8, 2021 at 12:00 AM UTC
Updated: June 17, 2026 at 04:08 AM UTC
3 products affected across 3 vendorsDebian LinuxFedoraGo

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Severity
HIGH7.5
Exploit prediction
EPSS 5%

Description

ImportedSymbols in debug/macho (for Open or OpenFat) in Go before 1.16.10 and 1.17.x before 1.17.3 Accesses a Memory Location After the End of a Buffer, aka an out-of-bounds slice situation.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Debian Linux· Debiandrupal
95%
9.0
Fedora· Fedora Projectrpm
95%
3435
Go· Golang
95%
v < 1.16.101.17.0 ≤ v < 1.17.3
Affected range stops below 1.16.10, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.17.3, so it looks safe — our inference, not a vendor statement

References (10)

Source: [email protected]
https://cert-portal.siemens.com/productcert/pdf/ssa-744259.pdf
Vendor Advisory
Source: [email protected]
https://groups.google.com/g/golang-announce/c/0fM21h43arc
Mailing ListThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2022/01/msg00016.html
Mailing ListThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2022/01/msg00017.html
Mailing List
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2023/04/msg00021.html
Vendor Advisory
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4OFS3M3OFB24SWPTIAPARKGPUMQVUY6Z/
Vendor Advisory
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ON7BQRRJZBOR5TJHURBAB3WLF4YXFC6Z/
Vendor AdvisoryThird Party Advisory
Source: [email protected]
https://security.gentoo.org/glsa/202208-02

CVSS

7.5HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-119

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