Linux · 
Amazon Linux · Security advisory · May 25, 2026
Amazon Linux · Security advisory · May 25, 2026ALAS2023-2026-1747: amazon-cloudwatch-agent security update
ALAS2023-2026-1747, released May 25, 2026, fixes 19 CVEs in amazon-cloudwatch-agent (version 1.300066.2-2.amzn2023). None of them is reported as exploited. Patch Radar priority: Urgent.
Urgent
CVEs closed
19
1 rated Critical
Exploited
0
None reported
Highest CVSS
9.8
Base score, 0 to 10
Highest EPSS
0.0116
67th percentile
Priority of the 19 CVEs
Patch now 0
Urgent 1
High 15
Routine 3
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| amazon-cloudwatch-agent | amzn 2023 | 1.300066.2-2.amzn2023 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| Urgent | CVE-2026-27143 | Missing bound checks can lead to memory corruption in safe Go in cmd/compile | 9.8 | 0.0055 | None reported |
| High | CVE-2026-41602 | thrift: Integer Overflow or Wraparound vulnerability in Apache Thrift TFramedTransport Go language implementation This issue... | 7.5 | 0.0116 | None reported |
| 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-2026-42154 | Prometheus: remote read endpoint allows denial of service via crafted snappy payload | 8.2 | 0.0081 | 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-2026-32283 | Unauthenticated TLS 1.3 KeyUpdate record can cause persistent connection retention and DoS in crypto/tls | 9.1 | 0.0063 | None reported |
| High | CVE-2026-32280 | Unexpected work during chain building in crypto/x509 | 9.1 | 0.0063 | None reported |
| High | CVE-2026-32287 | golang-github-antchfx-xpath: Boolean XPath expressions that evaluate to true can cause an infinite loop in logicalQuery.Select, leading to 100% CP... | 7.5 | 0.0054 | 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-2026-32281 | Inefficient policy validation in crypto/x509 | 9.1 | 0.0036 | None reported |
| High | CVE-2026-39823 | Bypass of meta content URL escaping causes XSS in html/template | 7.5 | 0.0031 | None reported |
| High | CVE-2026-32282 | TOCTOU permits root escape on Linux via Root.Chmod in os in internal/syscall/unix | 9.1 | 0.0030 | None reported |
| High | CVE-2026-27144 | Miscompilation allows memory corruption via CONVNOP-wrapped array copy in cmd/compile | 9.0 | 0.0027 | None reported |
| Routine | CVE-2026-32289 | JsBraceDepth Context Tracking Bugs (XSS) in html/template | 6.1 | 0.0030 | None reported |
| Routine | CVE-2026-32288 | Unbounded allocation for old GNU sparse in archive/tar | 5.5 | 0.0030 | None reported |
| Routine | CVE-2026-39882 | OpenTelemetry-Go OTLP HTTP exporters read unbounded HTTP response bodies | 5.3 | 0.0020 | None reported |
Showing 1 to 19 of 19
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