Red Hat Security Advisory: Red Hat build of Quarkus 3.33.3.SP2 release and security update
Affects Red HatSource GCVE Database
Mentioned vulnerabilities
Not known to be exploited · CVSS 8.7 High · fixed in Red Hat package updates : patch Red Hat bcprov soon.
Data as of 29 Oct 2026, 22:46 UTC
- Patch
- Available – fixed in 1.85, 2.73.12
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/U:AmberExploitation evidence
Disclosed: evidence found.
CVE published 3 Aug 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.
What to do
Upgrade BC-JAVA and Legion of the Bouncy Castle Inc./bcprov to 1.85; BC-LTS-JAVA and Legion of the Bouncy Castle Inc./bcprov-lts8on to 2.73.12.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Legion of the Bouncy Castle Inc.BC-JAVA | Affected
| Fixed in
|
| Legion of the Bouncy Castle Inc.BC-LTS-JAVA | Affected
| Fixed in
|
MavenLegion of the Bouncy Castle Inc./bcprovpkg:maven/Legion of the Bouncy Castle Inc./bcprovOther threats | Affected
| Fixed in
|
MavenLegion of the Bouncy Castle Inc./bcprov-lts8onpkg:maven/Legion of the Bouncy Castle Inc./bcprov-lts8onOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
Description
This release of Red Hat build of Quarkus 3.33.3.SP2 includes security updates, bug fixes and enhancements. For more information, see the release notes page listed in the References section. Security Fix(es): * hibernate-core: Hibernate ORM: SQL Injection via unescaped JSON path segment allows data exfiltration and authorization bypass [quarkus-3.33] (CVE-2026-77874) * jsoup: Cross-site scripting flaw requires a custom Safelist that explicitly allows raw-text elements [quarkus-3.33] (CVE-2026-71497) * wildfly-elytron-password-impl: wildfly-elytron: Password keyspace reduction via NFKC fullwidth folding [quarkus-3.33] (CVE-2026-19611) * quarkus-smallrye-jwt: smallrye-jwt: Unauthenticated same-origin SSRF via unsanitized JWT kid header in AwsAlbKeyResolver [quarkus-3.33] (CVE-2026-81829) * jsoup: jsoup: Denial of Service via deeply nested XML documents [quarkus-3.33] (CVE-2026-75140) * reactor-core: Reactor Core: Denial of Service via Flux.windowTimeout operator with fairBackpressure [quarkus-3.33] (CVE-2026-47857) * reactor-core: Reactor Core: Denial of Service in bufferTimeout operator [quarkus-3.33] (CVE-2026-47863) * quarkus-vertx-http: Authorization Bypass via Path Normalization Discrepancy in Quarkus HTTP Security [quarkus-3.33] (CVE-2026-87743) * quarkus-websockets-next: Denial of Service (OOM) in quarkus-websockets-next via unbounded message buffering [quarkus-3.33] (CVE-2026-87742) * zstd-jni: zstd-jni: Data corruption or denial of service via use-after-free vulnerability [quarkus-3.33] (CVE-2026-87825) * zstd-jni: zstd-jni: Use-After-Free vulnerability allows memory corruption and denial of service [quarkus-3.33] (CVE-2026-87877) * zstd-jni: zstd-jni: Out-of-bounds read in ZstdDictCompress constructor leads to denial of service [quarkus-3.33] (CVE-2026-87795) * zstd-jni: zstd-jni: Denial of Service (DoS) via out-of-bounds read in Zstd.trainFromBufferDirect [quarkus-3.33] (CVE-2026-87824) * zstd-jni: zstd-jni: Information disclosure or denial of service via out-of-bounds read [quarkus-3.33] (CVE-2026-89046) * zstd-jni: zstd-jni: Denial of Service via out-of-bounds read in ZstdDictDecompress [quarkus-3.33] (CVE-2026-90560) * bcprov-jdk18on: Bouncy Castle for Java: Denial of Service via quadratic-time escaping of X.500 distinguished names [quarkus-3.33] (CVE-2026-58059) * bcprov-jdk18on: Bouncy Castle for Java: Cryptographic signature bypass in RSA PKCS#1 verification [quarkus-3.33] (CVE-2026-12860) * zstd-jni: luben zstd-jni: Remote use-after-free vulnerability in dictionary sharing [quarkus-3.33] (CVE-2026-90852) * zstd-jni: zstd-jni: Denial of Service via negative length parameter [quarkus-3.33] (CVE-2026-89045) * zstd-jni: zstd-jni: Denial of Service or Information Disclosure via out-of-bounds read [quarkus-3.33] (CVE-2026-87823) * netty-codec-http: Netty: Denial of Service via unbounded concurrent SPDY streams [quarkus-3.33] (CVE-2026-93488) * netty-codec-http: Netty: Denial of Service via unbounded HttpServerCodec HTTP/1.1 pipeline queue [quarkus-3.33] (CVE-2026-93491) * netty-codec-http: Netty: Unbounded Per-Connection Queue Growth in WebSocketServerExtensionHandler Leads to Denial of Service [quarkus-3.33] (CVE-2026-93558) * netty-codec-haproxy: Netty: HAProxy PROXY-v2 nested-TLV grandchild ByteBuf reference-count leak (incomplete fix of PR #16881) [quarkus-3.33] (CVE-2026-93564) * netty-codec-http: Netty RtspDecoder Method-Token Smuggling via Trailing Control Byte [quarkus-3.33] (CVE-2026-93565) * netty-codec-http2: HTTP/1 authority-form CONNECT is translated to malformed HTTP/2 CONNECT with Host-controlled :authority [quarkus-3.33] (CVE-2026-93567) * netty-codec-http2: Netty: HTTP/2 and HTTP/3 Extended CONNECT requests are downgraded as regular CONNECT requests [quarkus-3.33] (CVE-2026-93568) * netty-codec-http2: HTTP/1 absolute-form Host mismatch is translated to HTTP/2 :authority, overriding the request-target authority [quarkus-3.33] (CVE-2026-93569) * netty-codec-http2: Netty: HTTP/2 HpackEncoder DoS with large table size [quarkus-3.33] (CVE-2026-93492) * netty-codec-http: Netty: Incomplete validation of malformed Transfer-Encoding allows HTTP request smuggling [quarkus-3.33] (CVE-2026-93562) * netty-codec-http: Netty: HTTP Request Smuggling due to control characters in the chunk-size line [quarkus-3.33] (CVE-2026-93566) * netty-codec-http: Netty split Transfer-Encoding fields bypass final-chunked validation and enable request smuggling [quarkus-3.33] (CVE-2026-93573) * netty-codec-http: Netty: HTTP request smuggling via post-digit whitespace in chunk-size parsing [quarkus-3.33] (CVE-2026-93574) * netty-codec-http2: Netty: HTTP/2 header field values are not validated by default (CR/LF/NUL passthrough) [quarkus-3.33] (CVE-2026-93579) For more information, see the release notes page listed in the References section.
References
- access.redhat.com/errata/RHSA-2026:69440 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- access.redhat.com/products/quarkus/ (opens in a new tab)
- access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=redhat.quarkus&downloadType=distributions&version=3.33.3.SP2 (opens in a new tab)
- docs.redhat.com/en/documentation/red_hat_build_of_quarkus/3.33 (opens in a new tab)
- issues.redhat.com/browse/QUARKUS-8739 (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_69440.json (opens in a new tab)