CVE-2026-39373 JWCrypto: JWE ZIP decompression bomb

JWCrypto implements JWK, JWS, and JWE specifications using python-cryptography. Prior to 1.5.7, an unauthenticated attacker can exhaust server memory by sending crafted JWE tokens with ZIP compression. The existing patch for CVE-2024-28102 limits input token size to 250KB but does not validate th...

CVE-2026-39373

CVE-2026-39373 affects JWCrypto (Python) prior to 1.5.7. An unauthenticated attacker can trigger memory exhaustion by sending crafted JWE tokens using ZIP compression; a token under 250 KB can decompress to ~100 MB. The fix is version 1.5.7. This follows CVE-2024-28102: while the 250 KB input lim...

PT-2026-31004

Name of the Vulnerable Software and Affected Versions JWCrypto versions prior to 1.5.7 Description A crafted JWE token with ZIP compression can exhaust server memory. The existing patch limits input token size to 250KB but does not validate the decompressed output size. A token under the 250KB...

Koha Library Management System security vulnerabilities

Koha Library Management System is an open-source library automation system developed by Koha. Versions of the Koha Library Management System prior to 23.05.10 contained security vulnerabilities. These vulnerabilities stemmed from the lack of cleaning user-controllable file names before...

LibRaw x3f_load_huffman heap-based buffer overflow vulnerability

Talos Vulnerability Report TALOS-2026-2359 LibRaw x3floadhuffman heap-based buffer overflow vulnerability April 7, 2026 CVE Number CVE-2026-24660 SUMMARY A heap-based buffer overflow vulnerability exists in the x3floadhuffman functionality of LibRaw Commit d20315b. A specially crafted malicious...

Integer Overflow or Wraparound

Overview Affected versions of this package are vulnerable to Integer Overflow or Wraparound in the undopxr24impl function. An attacker can cause memory corruption and potentially execute arbitrary code by providing a specially crafted EXR file that triggers a signed integer overflow, leading to a...

CVE-2026-34380 OpenEXR has a signed integer overflow (undefined behavior) in undo_pxr24_impl may allow bounds-check bypass in PXR24 decompression

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From 3.2.0 to before 3.2.7, 3.3.9, and 3.4.9, a signed integer overflow exists in undopxr24impl in src/lib/OpenEXRCore/internalpxr24.c at line 377. The...

CVE-2026-34380 OpenEXR has a signed integer overflow (undefined behavior) in undo_pxr24_impl may allow bounds-check bypass in PXR24 decompression

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From 3.2.0 to before 3.2.7, 3.3.9, and 3.4.9, a signed integer overflow exists in undopxr24impl in src/lib/OpenEXRCore/internalpxr24.c at line 377. The...

libarchive: Infinite Loop Denial of Service in RAR5 Decompression via archive_read_data() in libarchive

A flaw was identified in the RAR5 archive decompression logic of the libarchive library, specifically within the archivereaddata processing path. When a specially crafted RAR5 archive is processed, the decompression routine may enter a state where internal logic prevents forward progress. This...

Important: Red Hat Security Advisory: libarchive security update

An update for libarchive is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

RHEL 9 : libarchive (RHSA-2026:6647)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:6647 advisory. The libarchive programming library can create and read several different streaming archive formats, including GNU tar, cpio, and ISO 9660 CD-ROM...

FreeRDP progressive_decompress_tile_upgrade RCE

The vulnerability of the progressivedecompresstileupgrade function in the RDP client FreeRDP is related to integer overflow. Exploiting this vulnerability could allow a malicious actor to cause service failure...

GHSA-VC68-257W-M432 OpenEXR: Heap information disclosure in PXR24 decompression via unchecked decompressed size (undo_pxr24_impl)

Summary The PXR24 decompression function undopxr24impl in OpenEXR internalpxr24.c ignores the actual decompressed size outSize returned by exruncompressbuffer and instead reads from the scratch buffer based solely on the expected size uncompressedsize derived from the header metadata. Additionall...

OpenEXR: Heap information disclosure in PXR24 decompression via unchecked decompressed size (undo_pxr24_impl)

Summary The PXR24 decompression function undopxr24impl in OpenEXR internalpxr24.c ignores the actual decompressed size outSize returned by exruncompressbuffer and instead reads from the scratch buffer based solely on the expected size uncompressedsize derived from the header metadata. Additionall...

Out-of-bounds Write

Overview Affected versions of this package are vulnerable to Out-of-bounds Write through the uncompressb44impl file. An attacker can cause an out-of-bounds write by supplying a specially crafted B44 or B44A EXR file that triggers an integer overflow, resulting in memory corruption or application...

GHSA-W85G-3H6X-4XH2 OpenClaw: Image pixel-limit guard can fail open on sips and allow decompression-bomb DoS

Summary Image pixel-limit guard can fail open on sips and allow decompression-bomb DoS Current Maintainer Triage - Status: open - Normalized severity: medium - Assessment: Shipped v2026.3.28 image processing could fail open on oversized pixel counts and allow decompression-bomb DoS, an availabili...

OpenClaw: Image pixel-limit guard can fail open on sips and allow decompression-bomb DoS

Summary Image pixel-limit guard can fail open on sips and allow decompression-bomb DoS Current Maintainer Triage - Status: open - Normalized severity: medium - Assessment: Shipped v2026.3.28 image processing could fail open on oversized pixel counts and allow decompression-bomb DoS, an availabili...

c-blosc2:decompress_frame_fuzzer: Heap-buffer-overflow in read_lazy_chunk_bytes

Project: https://github.com/Blosc/c-blosc2.git Detailed Report: https://oss-fuzz.com/testcase?key=4519495711653888 Project: c-blosc2 Fuzzing Engine: libFuzzer Fuzz Target: decompressframefuzzer Job Type: libfuzzerasanc-blosc2 Platform Id: linux Crash Type: Heap-buffer-overflow READ 4 Crash Addres...

PT-2026-32323

Summary Image pixel-limit guard can fail open on sips and allow decompression-bomb DoS Current Maintainer Triage - Status: open - Normalized severity: medium - Assessment: Shipped v2026.3.28 image processing could fail open on oversized pixel counts and allow decompression-bomb DoS, an availabili...

CVE-2026-34543

OpenEXR (the EXR image format library) has a heap information disclosure in PXR24 decompression due to unchecked decompressed size, affecting versions 3.4.0 up to but not including 3.4.8. A malicious EXR file read under default settings can leak heap data without user interaction. The issue is re...