ALAS2023-2026-1741: runfinch-finch security update

ALAS2023-2026-1741, released May 25, 2026, fixes 7 CVEs in runfinch-finch (version 1.17.0-1.amzn2023.0.2). None of them is reported as exploited. Patch Radar priority: High.

High

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

8.8

Base score, 0 to 10

Highest EPSS

0.0088

59th percentile

Priority of the 7 CVEs

Patch now 0
                                Urgent 0
                                High 7
                                Routine 0

Fixed package versions

Product	Release	Fixed in
runfinch-finch	amzn 2023	1.17.0-1.amzn2023.0.2

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2026-33811	Crash when handling long CNAME response in net	8.8	0.0088	None reported
High	CVE-2026-33814	Infinite loop in HTTP/2 transport when given bad SETTINGS_MAX_FRAME_SIZE in net/http/internal/http2 in golang.org/x/net	7.5	0.0084	None reported
High	CVE-2026-42499	Quadratic string concatenation in consumePhrase in net/mail	8.8	0.0080	None reported
High	CVE-2026-39820	Quadratic string concatentation in consumeComment in net/mail	8.8	0.0078	None reported
High	CVE-2026-39825	ReverseProxy forwards queries with more than urlmaxqueryparams parameters in net/http/httputil	7.5	0.0039	None reported
High	CVE-2026-39826	Escaper bypass leads to XSS in html/template	7.5	0.0037	None reported
High	CVE-2026-39823	Bypass of meta content URL escaping causes XSS in html/template	7.5	0.0031	None reported

Also fixes CVE-2026-33811

OPENSUSE-SU-2026:21483-1
govulncheck-vulndb on opensuse-leap 16.0
RHSA-2026:41019
flightctl on RHEL 10
RHSA-2026:49702
golang on RHEL 10
ELSA-2026-65534-0
image-builder on ol 10
RHSA-2026:65534
image-builder on RHEL 10
RLSA-2026:65534
image-builder on rocky 10
RHSA-2026:65886
image-builder on RHEL 9
ELSA-2026-65886-0
image-builder on ol 9

Vendor advisory

https://alas.aws.amazon.com/AL2023/ALAS-2026-1741.html

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