CVE-2026-52720

A heap buffer overflow vulnerability was found in GStreamer's librfb RFB/VNC client. The rectangle bounds check incorrectly validates area rather than individual dimensions, allowing a malicious VNC server to send a rectangle that extends beyond the framebuffer. A remote attacker could set up a...

CVE-2026-53705

GStreamer1-plugins-good’s WavPack decoder (gst_wavpack_dec_handle_frame) has an integer overflow in the 4 * block_samples * channels calculation, causing a very small heap allocation. The WavPack library then writes decoded samples beyond the allocated buffer, leading to heap memory corruption on...

CVE-2026-8357

LibreOffice Calc compiles cell formulas when opening a spreadsheet. A heap buffer overflow existed when compiling a very long formula made up of many opening tokens. The array that tracks nesting depth was allocated one element too small for that worst case, so such a formula wrote one element pa...

CVE-2026-6047 Heap buffer overflow in OOXML text box element import

LibreOffice can import documents in the OOXML format DOCX. A heap buffer overflow existed when replaying deferred parser events for a text box element. A handler object was assumed to be of one type and written to at that type's field layout, but it could be a smaller object, so the write landed...

CVE-2026-6047

LibreOffice can import documents in the OOXML format DOCX. A heap buffer overflow existed when replaying deferred parser events for a text box element. A handler object was assumed to be of one type and written to at that type's field layout, but it could be a smaller object, so the write landed...

CVE-2025-55661

A heap buffer overflow in the Opus audio stream parser component of GPAC MP4Box v2.4 allows attackers to cause a Denial of Service DoS via supplying a crafted MP4 file...

PT-2026-49274

A heap buffer overflow in the gf opus parse packet header function media tools/av parsers.c of GPAC MP4Box v2.4 allows attackers to cause a Denial of Service DoS via supplying a crafted MP4 file...

CVE-2025-55648

GPAC MP4Box v2.4 is affected by a heap buffer overflow in gf_opus_parse_packet_header (media_tools/av_parsers.c) that can cause a Denial of Service when a crafted MP4 file is processed. This is a DoS by exploiting a memory-protection flaw in the parser; CVSS notes a local attack with user interac...

CVE-2025-55648

A heap buffer overflow in the gfopusparsepacketheader function mediatools/avparsers.c of GPAC MP4Box v2.4 allows attackers to cause a Denial of Service DoS via supplying a crafted MP4 file...

PT-2026-49279

Name of the Vulnerable Software and Affected Versions GPAC MP4Box version 2.4 Description A heap buffer overflow occurs in the Opus audio stream parser component. This issue allows attackers to cause a Denial of Service DoS, which is a condition where a system or service becomes unavailable to it...

Heap Buffer Over-read in ASN.1 Content Parsing

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RLSA-2026:25058 Important: poppler security update

Poppler is a Portable Document Format PDF rendering library, used by applications such as Evince. Security Fixes: poppler: Integer overflow in Poppler SplashOutputDev::tilingPatternFill leads to heap buffer overflow via unchecked dimension multiplication CVE-2026-10118 For more details about the...

CVE-2025-9033

Heap buffer out-of-bounds read vulnerability in Avira Antivirus engine when scanning a malformed PDF file may allow Local Execution of Code or Denial-of-Service of the antivirus engine process. This issue affects Avira Antivirus on Windows, macOS, and Linux for engine builds before 8.3.70.76...

CVE-2025-14098

Heap buffer out-of-bounds write vulnerability due to integer overflow in Avira Antivirus engine when scanning a malformed MS-DOS executable file may allow Local Execution of Code or Denial-of-Service of the antivirus engine process. This issue affects Avira Antivirus on Windows, macOS, and Linux...

CVE-2025-7008

Heap buffer out-of-bounds read vulnerability in Avast Antivirus when scanning a malformed Windows PE file with .NET metadata may allow Local Execution of Code or Denial-of-Service of the antivirus process. This issue affects Avast Antivirus, AVG Antivirus, Norton Antivirus, Avast One, and Avast...

CVE-2025-9033 Avira antivirus engine heap buffer OOB read when scanning a malformed PDF file (variant 3)

Heap buffer out-of-bounds read vulnerability in Avira Antivirus engine when scanning a malformed PDF file may allow Local Execution of Code or Denial-of-Service of the antivirus engine process. This issue affects Avira Antivirus on Windows, macOS, and Linux for engine builds before 8.3.70.76...

CVE-2025-9032 Avira antivirus engine heap buffer OOB read when scanning a malformed PE file

Heap buffer out-of-bounds read vulnerability in Avira Antivirus engine when scanning a malformed Windows PE file may allow Local Execution of Code or Denial-of-Service of the antivirus engine process. This issue affects Avira Antivirus on Windows, macOS, and Linux for engine builds before 8.3.70....

CVE-2025-9032

CVE-2025-9032 is a heap buffer out-of-bounds read vulnerability in the Avira Antivirus engine when scanning a malformed Windows PE file. Affects Avira Antivirus on Windows, macOS, and Linux for engine builds before 8.3.70.98. The issue can lead to Local Execution of Code or Denial-of-Service of t...

CVE-2025-7017

Affected product: Avira Antivirus engine. Vulnerability: heap buffer out-of-bounds read when scanning a malformed Windows MSI file. Root cause: out-of-bounds heap read in the engine (details not provided beyond the description). Impact: local code execution or denial-of-service of the antivirus e...

CVE-2025-7009 Avast antivirus heap buffer OOB read when scanning a malformed PE file

Heap buffer out-of-bounds read vulnerability in Avast Antivirus when scanning a malformed Windows PE file may allow Local Execution of Code or Denial-of-Service of the antivirus process. This issue affects Avast Antivirus, AVG Antivirus, Norton Antivirus, Avast One, and Avast Business Antivirus o...