Red Hat Security AdvisoryRHSA-2026:87400
Red Hat Cost Management On-Premise container image update
Released 2026-10-21 · Red Hat rating Important · View on Red Hat →
Fixes 18 records
Priority HIGH 82
A use-after-free vulnerability exists in libcurl when an application configures an HTTP/2 stream-dependency tree via `CURLOPT_STREAM_DEPENDS` or `CURLOPT_STREAM_DEPENDS_E`, subsequently invokes `curl_easy_reset()`, and f…
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.00598 · Published 2026-07-03 · Partial fix · 8.14.2, 8.16.1 +1 CWE-416
Priority HIGH 66
PCRE2 before 10.49, when there is an attacker-controlled regular expression and certain JIT API usage, allows an out-of-bounds write with arbitrary data.
CVSS 3.1HIGH 7.6· Network · Low privileges · No interaction · EPSS 0.00269 · Published 2026-09-30 · Partial fix · 10.49 CWE-787
Priority HIGH 66
PCRE2 before 10.48, on 32-bit platforms, has a pcre2_pattern_convert out-of-bounds write when an attacker can provide a large pattern.
CVSS 3.1HIGH 7.4· Network · No auth · No interaction · EPSS 0.00348 · Published 2026-09-11 · Partial fix · 10.48 CWE-190
Priority MEDIUM 63
Successfully using libcurl to do a transfer over a specific HTTP proxy (`proxyA`) with **Digest** authentication and then changing the proxy host to a second one (`proxyB`) for a second transfer, reusing the same handle,…
CVSS 3.1MEDIUM 5.3· Network · No auth · No interaction · EPSS 0.00471 · Published 2026-05-13 · Partial fix · 8.14.2, 8.16.1 +1 CWE-294
Priority MEDIUM 62
PCRE2 before 10.48 has a pcre2_match out-of-bounds read during the PCRE2_MATCH_INVALID_UTF matching of an invalid UTF subject.
CVSS 3.1MEDIUM 6.5· Network · No auth · No interaction · EPSS 0.00268 · Published 2026-09-11 · Partial fix · 10.48 CWE-125
Priority MEDIUM 60
curl might erroneously pass on credentials for a first proxy to a second proxy.
CVSS 3.1MEDIUM 5.9· Network · No auth · No interaction · EPSS 0.00719 · Published 2026-05-13 · Partial fix · 8.14.2, 8.16.1 +1 CWE-522
Priority MEDIUM 40
A remote, unauthenticated TLS client can make a server crash or call through a freed pointer if its sni_callback assigns a different context to SSLSocket.context (the documented way to select a certificate per server nam…
CVSS 4.0CRITICAL 9.2· Network · No auth · No interaction · EPSS 0.00524 · Published 2026-09-30 · Partial fix · 3.10.22, 3.11.17 +4 CWE-416
Priority LOW 36
ssl.SSLContext.wrap_bio() didn't require the server_hostname argument to not be None if ssl.SSLContext.check_hostname was set.
CVSS 4.0HIGH 7.6· Network · No auth · User interaction · EPSS 0.00547 · Published 2026-09-30 · Partial fix · 3.10.22, 3.11.17 +4 CWE-297
Priority LOW 35
In PCRE2 before 10.48, pcre2_jit_match mishandles a previously copied subject being passed in as a context.
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00126 · Published 2026-09-11 · Partial fix · 10.48 CWE-590
Priority LOW 34
URI versions before 5.36 for Perl encode non-NFC host names to non-standard punycode labels via missing normalization in nameprep.
CVSS 3.1MEDIUM 6.5· Network · No auth · No interaction · EPSS 0.00229 · Published 2026-08-31 · Partial fix · 5.36 CWE-1289
Priority LOW 29
libcurl might in some circumstances reuse the wrong connection when asked to do an authenticated HTTP(S) request after a Negotiate-authenticated one, when both use the same host.
CVSS 3.1MEDIUM 6.5· Network · No auth · No interaction · EPSS 0.00414 · Published 2026-05-13 · Partial fix · 8.14.2, 8.16.1 +1 CWE-305
Priority LOW 28
PCRE2 before 10.48, on 32-bit platforms, has a pcre2_compile_32 integer overflow and resultant out-of-bounds write.
CVSS 3.1MEDIUM 6.5· Network · No auth · No interaction · EPSS 0.00247 · Published 2026-09-11 · Partial fix · 10.48 CWE-190
Priority LOW 26
PCRE2 before 10.48 has a pcre2_match out-of-bounds read after a JIT fallback when an attacker can provide invalid UTF data.
CVSS 3.1MEDIUM 5.9· Network · No auth · No interaction · EPSS 0.00294 · Published 2026-09-11 · Partial fix · 10.48 CWE-125
Priority LOW 26
Converting crafted EUC_JISX0213 input to UCS-4 or the internal wide character encoding, for example with iconv, in the GNU C Library version 2.3 to 2.44 may result in the converter making no progress, causing the calling…
CVSS 3.1MEDIUM 5.9· Network · No auth · No interaction · EPSS 0.00358 · Published 2026-09-15 · Partial fix CWE-835
Priority LOW 26
Converting crafted SHIFT_JISX0213 input to UCS-4 or the internal wide character encoding, for example with iconv, in the GNU C Library version 2.3 to 2.44 may result in the converter making no progress, causing the calli…
CVSS 3.1MEDIUM 5.9· Network · No auth · No interaction · EPSS 0.00358 · Published 2026-09-15 · Partial fix CWE-835
Priority LOW 25
When asked to both use a `.netrc` file for credentials and to follow HTTP redirects, libcurl could leak the password used for the first host to the followed-to host under certain circumstances.
CVSS 3.1MEDIUM 5.3· Network · Low privileges · No interaction · EPSS 0.00519 · Published 2026-05-13 · Partial fix · 8.14.2, 8.16.1 +1 CWE-200
Priority LOW 24
Initializing the DNS stub resolver from an /etc/resolv.conf file, or a LOCALDOMAIN environment variable, whose search list contains a domain of roughly 200 characters or more in the GNU C Library version 2.26 to 2.44 res…
CVSS 3.1MEDIUM 5.3· Adjacent network · No auth · No interaction · EPSS 0.00315 · Published 2026-09-17 · Partial fix CWE-617
Priority LOW 21
Passing an effectively empty string to the `,ccs=` syntax extension of the mode argument in the `fopen` function in the GNU C Library version 2.45 or earlier may result in a heap buffer overflow when the mode string inpu…
CVSS 3.1MEDIUM 4.9· Local · No auth · No interaction · EPSS 0.00144 · Published 2026-08-27 · Partial fix · 2.45 CWE-787