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Red Hat Security Advisory

RHSA-2026:1736

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Released 2026-02-02 · Red Hat rating Important · View on Red Hat →

Fixed in

Fixes 21 records

Priority CRITICAL 85

Issue summary: Parsing CMS AuthEnvelopedData or EnvelopedData message with maliciously crafted AEAD parameters can trigger a stack buffer overflow.

CVSS 3.1HIGH 8.8 Network No auth User interaction EPSS 0.74793 Published 2026-01-27 Partial fix · 3.6.1, 3.5.5 +3 CWE-787
TI-2025-42429 CVE-2025-68973 · GHSA-pj23-86ww-f72p

Out-of-bounds write in GnuPG

Priority HIGH 69

In GnuPG before 2.4.9, armor_filter in g10/armor.c has two increments of an index variable where one is intended, leading to an out-of-bounds write for crafted input.

CVSS 3.1HIGH 7.8 Local No auth No interaction EPSS 0.00152 Published 2025-12-28 Partial fix · 2.2.51, 2.4.9 CWE-675
Priority MEDIUM 62

Issue summary: PBMAC1 parameters in PKCS#12 files are missing validation which can trigger a stack-based buffer overflow, invalid pointer or NULL pointer dereference during MAC verification.

CVSS 3.1MEDIUM 6.1 Local Low privileges User interaction EPSS 0.05234 Published 2026-01-27 Partial fix · 3.6.1, 3.5.5 +1 CWE-476
Priority MEDIUM 41

Issue summary: Processing a malformed PKCS#12 file can trigger a NULL pointer dereference in the PKCS12_item_decrypt_d2i_ex() function.

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.00944 Published 2026-01-27 Partial fix · 3.6.1, 3.5.5 +5 CWE-476
Priority MEDIUM 41

Issue summary: A type confusion vulnerability exists in the TimeStamp Response verification code where an ASN1_TYPE union member is accessed without first validating the type, causing an invalid or NULL pointer dereferen…

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.0092 Published 2026-01-27 Partial fix · 3.6.1, 3.5.5 +4 CWE-754
Priority LOW 36

When building nested elements using xml.dom.minidom methods such as appendChild() that have a dependency on _clear_id_cache() the algorithm is quadratic.

CVSS 4.0MEDIUM 6.3 Network No auth No interaction EPSS 0.00856 Published 2025-12-03 Partial fix · 3.10.20, 3.11.15 +4 CWE-407
TI-2025-08328 CVE-2025-9086 · GHSA-v676-f8gm-92r9

Out of bounds read for cookie path

Priority LOW 36

1. A cookie is set using the `secure` keyword for `https://target` 2.

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.01463 Published 2025-09-12 Partial fix · 8.14.2, 8.16.0 CWE-125
Priority LOW 35

Issue summary: Calling PKCS12_get_friendlyname() function on a maliciously crafted PKCS#12 file with a BMPString (UTF-16BE) friendly name containing non-ASCII BMP code point can trigger a one byte write before the alloca…

CVSS 3.1HIGH 7.4 Network No auth No interaction EPSS 0.00607 Published 2026-01-27 Partial fix · 3.6.1, 3.5.5 +4 CWE-787
Priority LOW 34

A heap-based buffer overflow problem was found in glib through an incorrect calculation of buffer size in the g_escape_uri_string() function.

CVSS 3.1HIGH 7.7 Local No auth No interaction EPSS 0.00346 Published 2025-11-26 Partial fix · 2.86.3, 2.80.4-10.el10_1.12 +31 CWE-190
TI-2025-12644 CVE-2025-13836 · GHSA-399h-rrqc-rpgv

Excessive read buffering DoS in http.client

Priority LOW 32

When reading an HTTP response from a server, if no read amount is specified, the default behavior will be to use Content-Length.

CVSS 4.0MEDIUM 6.3 Network No auth No interaction EPSS 0.01748 Published 2025-12-01 Partial fix · 3.10.20, 3.11.15 +4 CWE-400
Priority LOW 31

Issue summary: A type confusion vulnerability exists in the signature verification of signed PKCS#7 data where an ASN1_TYPE union member is accessed without first validating the type, causing an invalid or NULL pointer d…

CVSS 3.1MEDIUM 5.3 Network No auth No interaction EPSS 0.00589 Published 2026-01-27 Partial fix · 3.6.1, 3.5.5 +5 CWE-754
Priority LOW 28

Issue summary: If an application using the SSL_CIPHER_find() function in a QUIC protocol client or server receives an unknown cipher suite from the peer, a NULL dereference occurs.

CVSS 3.1MEDIUM 5.9 Network No auth No interaction EPSS 0.00819 Published 2026-01-27 Partial fix · 3.6.1, 3.5.5 +2 CWE-476
Priority LOW 27

Issue summary: A TLS 1.3 connection using certificate compression can be forced to allocate a large buffer before decompression without checking against the configured certificate size limit.

CVSS 3.1MEDIUM 5.9 Network No auth No interaction EPSS 0.00463 Published 2026-01-27 Partial fix · 3.6.1, 3.5.5 +2 CWE-789
Priority LOW 26

Integer wraparound in multiple PostgreSQL libpq client library functions allows an application input provider or network peer to cause libpq to undersize an allocation and write out-of-bounds by hundreds of megabytes.

CVSS 3.1MEDIUM 5.9 Network No auth No interaction EPSS 0.00364 Published 2025-11-13 Partial fix · 18.1, 17.7 +4 CWE-190
Priority LOW 24

Issue summary: An invalid or NULL pointer dereference can happen in an application processing a malformed PKCS#12 file.

CVSS 3.1MEDIUM 5.5 Local No auth User interaction EPSS 0.00179 Published 2026-01-27 Partial fix · 3.6.1, 3.5.5 +4 CWE-754
Priority LOW 24

Issue summary: The 'openssl dgst' command-line tool silently truncates input data to 16MB when using one-shot signing algorithms and reports success instead of an error.

CVSS 3.1MEDIUM 5.5 Local Low privileges No interaction EPSS 0.00213 Published 2026-01-27 Partial fix · 3.6.1, 3.5.5 CWE-347
Priority LOW 21

Issue summary: Writing large, newline-free data into a BIO chain using the line-buffering filter where the next BIO performs short writes can trigger a heap-based out-of-bounds write.

CVSS 3.1MEDIUM 4.7 Local Low privileges No interaction EPSS 0.00189 Published 2026-01-27 Partial fix · 3.6.1, 3.5.5 +5 CWE-787
Priority LOW 18

Issue summary: When using the low-level OCB API directly with AES-NI or<br>other hardware-accelerated code paths, inputs whose length is not a multiple<br>of 16 bytes can leave the final partial block unencrypted and una…

CVSS 3.1MEDIUM 4.0 Local No auth No interaction EPSS 0.00132 Published 2026-01-27 Partial fix · 3.6.1, 3.5.5 +4 CWE-325