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Red Hat Security Advisory

RHSA-2026:79357

Red Hat Cost Management On-Premise container image update

Released 2026-10-08 · Red Hat rating Important · View on Red Hat →

Fixed in

Fixes 55 records

TI-2026-10231 CVE-2026-11856 · GHSA-9crq-qh8v-6xmm

cross-origin Digest auth state leak

Priority HIGH 82

Successfully using libcurl to do a transfer to a specific HTTP origin (`hostA`) with **Digest** authentication and then changing the origin to a different one (`hostB`) for a second transfer, reusing the same handle, mak…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00688 Published 2026-07-03 Partial fix · 8.14.2, 8.16.1 +1 CWE-294
TI-2026-07976 CVE-2026-9079 · GHSA-f4cv-xm48-3694

stale proxy password leak

Priority HIGH 82

libcurl had a flaw that when instructed to clear proxy authentication credentials which made it not do so, leaving the old credentials around to get used for subsequent transfers that should not know nor use them.

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.01064 Published 2026-07-03 Partial fix · 8.14.2, 8.16.1 +1 CWE-522
TI-2026-07844 CVE-2026-8924 · GHSA-hm6c-rc5h-32m9

trailing dot domain super cookie

Priority HIGH 80

A flaw in curl’s cookie parsing logic allows a malicious HTTP server to set "super cookies" that bypass the Public Suffix List check.

CVSS 3.1CRITICAL 9.1 Network No auth No interaction EPSS 0.00661 Published 2026-07-03 Partial fix · 8.14.2, 8.16.1 +1 CWE-201
Priority HIGH 75

A vulnerability exists in NGINX Plus and NGINX Open Source when a map directive uses regex matching and a string expression references the map's regex capture variables before referencing the map output variable.

CVSS 4.0CRITICAL 9.2 Network No auth No interaction EPSS 0.06296 Published 2026-07-15 Partial fix · 37.0.3.1, R36 P7 +2 CWE-122
TI-2026-07846 CVE-2026-8926 · GHSA-vw2x-3w8j-rq82

password leak with netrc and user in URL

Priority HIGH 74

When asking curl to use a `.netrc` file to find credentials and at the same time specifying a URL with a username (without a password), like `https://[email protected]/`, curl could wrongly get and use the password for *a…

CVSS 3.1CRITICAL 9.1 Network No auth No interaction EPSS 0.00444 Published 2026-07-03 Partial fix · 8.14.2, 8.16.1 +1 CWE-522
Priority HIGH 72

libcurl would reuse a previously created connection even when some mTLS config related option had been changed that should have prohibited reuse.

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.00396 Published 2026-07-03 Partial fix · 8.14.2, 8.16.1 +1 CWE-305
TI-2026-07430 CVE-2026-8458 · GHSA-88c6-6jfq-mm4q

wrong reuse for different services

Priority MEDIUM 62

libcurl might in some circumstances reuse the wrong connection when asked to do Negotiate-authenticated ones, even when they are set to use different "services".

CVSS 3.1MEDIUM 6.5 Network Low privileges No interaction EPSS 0.00371 Published 2026-07-03 Partial fix · 8.14.2, 8.16.1 +1 CWE-488
TI-2026-11225 CVE-2026-13221 · GHSA-whhx-pv66-xhgq

Integer overflow in perl

Priority MEDIUM 46

Perl versions before 5.40.5-RC1, from 5.41.0 before 5.42.3-RC1, from 5.43.0 before 5.43.10 produce silently incorrect regular expression matches when an alternation of more than 65535 fixed string branches is compiled in…

CVSS 3.1CRITICAL 9.1 Network No auth No interaction EPSS 0.00494 Published 2026-07-13 Partial fix · 5.40.5-RC1, 5.42.3-RC1 +1 CWE-190
Priority MEDIUM 45

rsync daemon 2.0.0 before 3.5.0 contains a denial of service vulnerability that allows unauthenticated remote attackers to exhaust daemon connection slots by stalling the handshake process before or after module selectio…

CVSS 4.0HIGH 8.7 Network No auth No interaction EPSS 0.00641 Published 2026-08-13 Partial fix · 3.5.0 CWE-770
Priority MEDIUM 45

rsync 3.2.5 before 3.5.0 contains a heap out-of-bounds write vulnerability that allows remote unauthenticated attackers to write one attacker-controlled byte past the end of a heap allocation by supplying a crafted files…

CVSS 4.0HIGH 8.8 Network No auth No interaction EPSS 0.0057 Published 2026-08-13 Partial fix · 3.5.0 CWE-787
Priority MEDIUM 45

Expat through 2.8.3 contains a denial of service vulnerability caused by quadratic algorithmic complexity in the storeAtts() function in xmlparse.c, where processing N specified attributes with non-normalized values trig…

CVSS 4.0HIGH 8.7 Network No auth No interaction EPSS 0.00742 Published 2026-08-18 Partial fix CWE-407
Priority MEDIUM 44

Expat before 2.8.5 fails to validate that a high surrogate in UTF-16 input is followed by a low surrogate, allowing malformed UTF-16 sequences to be accepted.

CVSS 4.0HIGH 8.7 Network No auth No interaction EPSS 0.00403 Published 2026-09-19 Partial fix · 2.8.5 CWE-176
Priority MEDIUM 44

source-map-js through 1.2.1 fails to validate the per-section offset line value in indexed source maps, allowing attackers to specify arbitrary numeric values.

CVSS 4.0HIGH 8.7 Network No auth No interaction EPSS 0.00455 Published 2026-09-18 Partial fix · 1.2.2 CWE-1284
Priority MEDIUM 44

rsync 3.0.0 before 3.5.0 contains an out-of-bounds write vulnerability that allows attackers to corrupt memory by triggering HLINK_BUMP processing on file entries with the FLAG_HLINKED flag set while the hard-link preser…

CVSS 4.0HIGH 8.8 Network No auth No interaction EPSS 0.00443 Published 2026-08-13 Partial fix · 3.5.0 CWE-787
Priority MEDIUM 44

rsync 3.0.1 before 3.5.0 contains an out-of-bounds write vulnerability in the read_args() function that allows a malicious sender to corrupt adjacent heap memory by sending a crafted argument list.

CVSS 4.0HIGH 8.8 Network No auth No interaction EPSS 0.00443 Published 2026-08-13 Partial fix · 3.5.0 CWE-787
Priority MEDIUM 44

rsync 3.4.2 before 3.5.0 contains a denial of service vulnerability that allows a remote sender to exhaust system resources by specifying the --zt short alias for --compress-threads, which bypasses the refuse options dir…

CVSS 4.0HIGH 8.7 Network No auth No interaction EPSS 0.00566 Published 2026-08-13 Fixed in 3.5.0 CWE-770
Priority MEDIUM 44

rsync before 3.5.0 contains an algorithmic complexity vulnerability in the hash_search() function that allows a remote attacker to cause a denial of service by delivering a carefully constructed file list.

CVSS 4.0HIGH 8.7 Network No auth No interaction EPSS 0.00587 Published 2026-08-13 Partial fix · 3.5.0 CWE-407
Priority MEDIUM 43

rsync before 3.5.0 contains multiple command and argument injection vulnerabilities that allow attackers to execute arbitrary commands by supplying malicious input through several code paths, including the RSYNC_CONNECT_…

CVSS 4.0CRITICAL 9.2 Network No auth No interaction EPSS 0.00629 Published 2026-08-13 Partial fix · 3.5.0 CWE-78
Priority MEDIUM 42

rsync 2.3.3 before 3.5.0 contains a path traversal vulnerability that allows a malicious sender to escape the module root by exploiting symlinks within the module file tree when using --partial-dir or --backup-dir option…

CVSS 4.0CRITICAL 9.2 Network No auth No interaction EPSS 0.00448 Published 2026-08-13 Partial fix · 3.5.0 CWE-22
Priority MEDIUM 42

rsync 3.1.0 before 3.5.0 contains an access control bypass vulnerability that allows remote attackers to circumvent hosts deny rules by inducing DNS resolution failures during hostname-based access control evaluation.

CVSS 4.0CRITICAL 9.1 Network No auth No interaction EPSS 0.00439 Published 2026-08-13 Partial fix · 3.5.0 CWE-636
Priority MEDIUM 42

Issue summary: OpenSSL CMP password based protection verification only checks whether the protectionAlg parameter was not NULL and not its ASN.1 type, before treating it as a PBMParameter.

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.01602 Published 2026-08-25 Partial fix · 4.0.2, 3.6.4 +3 CWE-476
Priority MEDIUM 42

Issue summary: QUIC server may double free QRX (QUIC record layer RX) object when channel creation fails for initial packet.

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.01697 Published 2026-08-25 Partial fix · 4.0.2, 3.6.4 +1 CWE-415
TI-2026-45026 CVE-2026-63072 · GHSA-wp5f-6q39-q2f4

Heap Buffer Overflow in CMS Key Unwrapping

Priority MEDIUM 41

Issue summary: OpenSSL CMS decryption sizes the key-unwrap output buffer based on querying the unwrapped key size, but the AES-WRAP-PAD unwrap primitive can write and cleanse more bytes than that query reports, causing a…

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.00916 Published 2026-08-25 Partial fix · 4.0.2, 3.6.4 +4 CWE-787
Priority MEDIUM 41

rsync before 3.5.0 contains a path confinement bypass vulnerability that allows remote clients to escape the intended inner-module root confinement by constructing paths that resolve outside the chroot boundary when the…

CVSS 4.0CRITICAL 9.1 Network No auth No interaction EPSS 0.00373 Published 2026-08-13 Partial fix · 3.5.0 CWE-59
Priority MEDIUM 40

A flaw was found in libxml2 with Python bindings enabled.

CVSS 3.1HIGH 8.5 Network Low privileges No interaction EPSS 0.00658 Published 2026-09-08 Partial fix · 2.12.5-10.el10_2.4, 2.12.5-9.el10_0.9 +43 CWE-763
Priority MEDIUM 40

rsync before 3.5.0 contains an arbitrary file write vulnerability that allows attackers to write files outside the intended destination tree by specifying an absolute path via --temp-dir or --link-dest options.

CVSS 4.0HIGH 7.2 Network No auth User interaction EPSS 0.00396 Published 2026-08-13 Partial fix · 3.5.0 CWE-59
Priority MEDIUM 40

rsync daemon before 3.5.0 contains an IP address spoofing vulnerability that allows unauthenticated remote attackers to bypass IP-based access controls by sending a crafted PROXY protocol header with a forged source addr…

CVSS 4.0CRITICAL 9.1 Network No auth No interaction EPSS 0.00501 Published 2026-08-13 Partial fix · 3.5.0 CWE-290
Priority MEDIUM 40

rsync before 3.5.0 contains a time-of-check to time-of-use (TOCTOU) race condition vulnerability in the rrsync restricted shell wrapper that allows authenticated clients to escape enforced directory restrictions by subst…

CVSS 4.0HIGH 8.6 Network Low privileges No interaction EPSS 0.00428 Published 2026-08-13 Partial fix · 3.5.0 CWE-59
Priority MEDIUM 40

Issue summary: When an OpenSSL QUIC server (Listener SSL object) processes valid QUIC Initial packets for unknown destination connection IDs, it can allocate and queue new incoming channels without enforcing any limit.

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.00729 Published 2026-08-13 Partial fix · 4.0.2, 3.6.4 +1 CWE-770
Priority LOW 38

rsync before 3.5.0 contains a symlink following vulnerability that allows local attackers to overwrite arbitrary files by placing a symlink at a predictable output path such as --log-file, --write-batch, or daemon-mode l…

CVSS 4.0HIGH 8.5 Local Low privileges No interaction EPSS 0.00229 Published 2026-08-13 Partial fix · 3.5.0 CWE-59
Priority LOW 38

rsync before 3.5.0 contains an arbitrary file read vulnerability that allows attackers to read files accessible to the rsync daemon process by exploiting symlink following in input configuration file handling including -…

CVSS 4.0HIGH 8.4 Local Low privileges No interaction EPSS 0.00238 Published 2026-08-13 Partial fix · 3.5.0 CWE-61
Priority LOW 38

rsync before 3.5.0 contains a path traversal vulnerability that allows remote clients to access files outside the intended module root when use chroot is disabled and the module root path or a component of it is a symlin…

CVSS 4.0HIGH 8.4 Local Low privileges No interaction EPSS 0.00238 Published 2026-08-13 Partial fix · 3.5.0 CWE-59
Priority LOW 36

rsync 3.2.3 before 3.5.0 contains an out-of-bounds write in parse_size_arg() where the return value of snprintf() is used directly as an index into a .bss-segment array without bounds checking.

CVSS 4.0HIGH 8.3 Network No auth No interaction EPSS 0.00377 Published 2026-08-13 Partial fix · 3.5.0 CWE-131
Priority LOW 35

In libxml2 before 2.15.4, there is a heap-based buffer overflow in xmlXPtrEvalXPtrPart because of xmlXPtrEval xpointer length saturation.

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00157 Published 2026-09-05 Partial fix · 2.15.4 CWE-122
Priority LOW 34

rsync 3.2.0 through 3.2.3 (openssl mode) and rsync-ssl through 3.4.4 (stunnel mode) contain a TLS certificate validation vulnerability that allows on-path attackers to intercept encrypted sessions by presenting self-sign…

CVSS 4.0HIGH 7.6 Network No auth User interaction EPSS 0.0019 Published 2026-08-13 Partial fix · 3.5.0 CWE-295
Priority LOW 33

In xmlIO in libxml2 before 2.15.4, an inconsistency in xmlOutputWriteCallback and xmlBufUse causes negative lengths to reach write callbacks, aka a lack of a check for integer overflow before calling writecallback.

CVSS 3.1HIGH 7.3 Local Low privileges No interaction EPSS 0.00194 Published 2026-09-05 Partial fix · 2.15.4 CWE-192
Priority LOW 32

rsync before 3.5.0 contains a path traversal vulnerability that allows a malicious sender to write files outside the intended destination directory tree by crafting relative paths with symlink components in --relative mo…

CVSS 4.0MEDIUM 6.9 Local Low privileges No interaction EPSS 0.00236 Published 2026-08-13 Partial fix · 3.5.0 CWE-59
Priority LOW 31

rsync before 3.5.0 contains an improper path handling vulnerability that allows a malicious sender to expand the scope of --delete operations beyond the intended destination subtree by sending a crafted file list that ca…

CVSS 4.0HIGH 7.1 Network No auth User interaction EPSS 0.00357 Published 2026-08-13 Partial fix · 3.5.0 CWE-807
TI-2026-36973 CVE-2026-50219 · GHSA-v3cw-2f3g-f38x

Use after free in libexpat

Priority LOW 26

libexpat before 2.8.2 lacks handler call depth tracking for calls to XML_GetBuffer, XML_Parse, XML_ParseBuffer, XML_ParserFree, or XML_ParserReset from within handlers in cases of a policy violation.

CVSS 3.1MEDIUM 5.9 Local No auth No interaction EPSS 0.00181 Published 2026-06-04 Partial fix · 2.8.2 CWE-416
TI-2026-29299 CVE-2026-40553 · GHSA-3j4c-7g5m-7rg5

Stack-based buffer overflow in gawk

Priority LOW 23

Buffer overflow vulnerability has been found in "extension/readdir.c" program file of gawk (ftype() routine).

CVSS 4.0MEDIUM 5.1 Local No auth No interaction EPSS 0.00291 Published 2026-07-13 Partial fix CWE-121
TI-2026-29219 CVE-2026-40467 · GHSA-wj49-xjpv-3f4m

Use after free in gawk

Priority LOW 23

Use After Free vulnerability has been found in "io.c" program file of gawk (do_getline_redir() routine).

CVSS 4.0MEDIUM 5.1 Local No auth No interaction EPSS 0.00213 Published 2026-07-13 Partial fix CWE-416
TI-2026-29220 CVE-2026-40468 · GHSA-c5xj-c73w-hcgm

Heap buffer overflow in gawk

Priority LOW 11

Integer overflow vulnerability has been found in "builtin.c" program file of gawk.

CVSS 4.0LOW 2.1 Local No auth No interaction EPSS 0.00201 Published 2026-07-13 Partial fix CWE-190
TI-2026-40752 CVE-2026-56392 · GHSA-g24f-m2hx-pfgx

Heap-based Buffer Overflow in GNU coreutils

Priority LOW 9

GNU coreutils unexpand is vulnerable to a heap-based buffer overflow due to an integer overflow during buffer allocation when processing large tab stop (-t) values.

CVSS 4.0LOW 1.8 Local No auth User interaction EPSS 0.00186 Published 2026-07-24 Partial fix CWE-122