ALAS2023-2026-3271: amazon-ecr-credential-helper security update

ALAS2023-2026-3271, released November 7, 2026, fixes 7 CVEs in amazon-ecr-credential-helper (version 0.12.0-5.amzn2023). None of them is reported as exploited. Patch Radar priority: High.

High

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

9.1

Base score, 0 to 10

Highest EPSS

0.0087

58th percentile

Priority of the 7 CVEs

Patch now 0
                                Urgent 0
                                High 5
                                Routine 2

Fixed package versions

Product	Release	Fixed in
amazon-ecr-credential-helper	amzn 2023	0.12.0-5.amzn2023

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2026-78659	HTTP/2 server memory exhaustion due to Trailer headers in net/http	7.5	0.0087	None reported
High	CVE-2026-78663	Double flow control refund on HTTP/2 server streams in net/http	9.1	0.0086	None reported
High	CVE-2026-94440	Memory limit bypass when parsing MIME headers in net/textproto, mime/multipart	7.5	0.0071	None reported
High	CVE-2026-78667	Lack of limit on size of parsed Range headers in net/http	7.5	0.0066	None reported
High	CVE-2026-94439	HTTP/1 server connection desynchronization after 2xx CONNECT response in net/http	7.5	0.0053	None reported
Routine	CVE-2026-94448	Reset context tracking on consecutive template expressions in html/template	6.1	0.0029	None reported
Routine	CVE-2026-97030	Recognize yield as regexp preceder keyword in html/template	6.1	0.0029	None reported

Also fixes CVE-2026-78659

SUSE-SU-2026:4866-1
go1.26-openssl on sles 15.6, sles 15.7
OPENSUSE-SU-2026:22093-1
go1.27 on opensuse-leap 16.0
SUSE-SU-2026:24237-1
go1.27 on sles 16.0
SUSE-SU-2026:4625-1
go1.27 on sles 15.6, sles 15.7
OPENSUSE-SU-2026:22095-1
go1.26 on opensuse-leap 16.0
SUSE-SU-2026:24239-1
go1.26 on sles 16.0
SUSE-SU-2026:4629-1
go1.26 on sles 15.6, sles 15.7
ALSA-2026:86196
go-toolset, golang, golang-bin and 5 more on almalinux 9

Vendor advisory

https://alas.aws.amazon.com/AL2023/ALAS-2026-3271.html

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