All news with #buffer overflow tag

🔒 ABB reports heap, stack and classic buffer overflow vulnerabilities in select Terra AC Wallbox firmware. An attacker who hijacks Bluetooth and crafts oversized fields could corrupt memory and potentially alter firmware behavior. ABB has released firmware version 1.8.36 (JP) to address the issues and recommends updating as soon as possible.

🔒 ABB B&R reported multiple vulnerabilities in the UEFI PXE implementation of affected B&R PCs and controllers. EDK2 Network Package issues include out-of-bounds reads, buffer overflows, infinite loops, and weak PRNG usage that can lead to remote code execution, DoS, DNS poisoning, or data exposure. Vendor updates are available for many product versions and users are advised to apply patches or follow mitigations.

⚠️A buffer overflow in the User-ID™ Authentication Portal (Captive Portal) of Palo Alto Networks PAN-OS permits an unauthenticated attacker to execute arbitrary code with root privileges on PA-Series and VM-Series firewalls by sending specially crafted packets. Siemens has identified affected Siemens RUGGEDCOM APE1808 devices and is preparing fixes while recommending immediate mitigations. Recommended actions include disabling Response Pages on exposed interfaces, disabling the User-ID Authentication Portal if not required, and restricting portal access to trusted internal IP addresses; contact vendor support for patch information.

⚠️ Siemens released an update fixing two PAR file parsing vulnerabilities in Solid Edge SE2026 that could allow application crashes or remote code execution. The flaws involve access of an uninitialized pointer (CWE-824) and a stack-based buffer overflow (CWE-121) when handling specially crafted PAR files. Update to V226.0 Update 5 or later and limit network exposure. CISA has republished the vendor advisory and urges organizations to apply the fix and follow recommended ICS security practices.

🚨 Siemens reports that Ruggedcom Rox devices prior to V2.17.1 contain numerous third‑party vulnerabilities and has released updated firmware; customers are urged to update immediately. The issues include uncontrolled recursion, integer underflow/overflow, multiple stack- and heap-based buffer overflows, use‑after‑free, improper input validation and path traversal, among others. Affected components include Das U‑Boot, QEMU emulation modules, Python email parsing, linux‑pam and other supporting libraries. Apply the vendor updates to mitigate risks such as denial of service, boot bypass or potential code execution.

⚠️ Simcenter Femap contains a heap-based buffer overflow in the Datakit library that can be triggered by specially crafted IPT files, causing memory corruption during parsing. If a user opens a malicious IPT file, an attacker could achieve remote code execution in the context of the running process. Siemens has released V2512.0003 or later to address the issue and recommends immediate updating; the flaw is tracked as CWE-122. CISA republished the vendor advisory to increase visibility and urges reducing network exposure and following Siemens' industrial security guidance.

⚠ ABB reports a stack-based buffer overflow in AC500 V3 when parsing CMS (Auth)EnvelopedData with AEAD ciphers like AES-GCM. An oversized IV in ASN.1 parameters may be copied into a fixed-size stack buffer without length checks, allowing an out-of-bounds write before authentication. This can cause crashes, DoS, or potential RCE. ABB issued firmware 3.9.0 HF1 to correct the issue; no workaround exists.

🔒 Palo Alto Networks warned of a critical buffer overflow in PAN-OS affecting the User-ID Authentication Portal (CVE-2026-0300) that can allow unauthenticated attackers to execute code as root on exposed PA- and VM-Series firewalls. The vendor says only portals reachable from untrusted IPs are at risk; Prisma Access, Cloud NGFW and Panorama are not impacted. Customers are advised to restrict portal access, disable the Captive Portal if unused, disable Response Pages on untrusted interfaces, and apply mitigations until patched builds roll out in May.

🔒 Cisco Talos disclosed a use-after-free flaw in Foxit Reader (TALOS-2026-2365 / CVE-2026-3779) exploitable via malicious PDF JavaScript, and six vulnerabilities in LibRaw including heap-based buffer overflows and integer overflows across multiple CVEs. All issues were patched by vendors following Cisco’s disclosure policy. Administrators should apply vendor updates and deploy Snort rules from Talos to detect exploitation.

⚠️ CISA warns of a stack-based buffer overflow (CVE-2026-5726) in Delta Electronics ASDA-Soft affecting versions <=V7.2.2.0 that can enable arbitrary code execution when a specially crafted .par file is parsed. The flaw is rated High (CVSS 3.1 base score 7.8) and requires local access or user interaction to trigger. Delta advises upgrading to ASDA-Soft v7.2.6.0 or later and following network isolation and defense-in-depth practices.

⚠️ Security researchers at Dream Security disclosed a critical buffer overflow in GNU inetutils telnetd (CVE-2026-32746) that enables unauthenticated remote code execution as root during Telnet negotiation. The flaw originates in the SLC handler which writes into a fixed 108‑byte buffer without bounds checking, producing an arbitrary write. Dream notified maintainers on March 11 and a patch was prepared the next day; administrators should disable telnetd, restrict or block TCP/23, or migrate to SSH until updates are applied.

⚠️ Researchers disclosed an unauthenticated stack-based buffer overflow (CVE-2026-2329) in Grandstream GXP1600-series VoIP phones that can yield remote code execution as root. The flaw lies in the web API endpoint /cgi-bin/api.values.get, where a malformed colon-delimited "request" parameter overruns a 64-byte stack buffer. Affected models include GXP1610/1615/1620/1625/1628/1630; Grandstream released firmware 1.0.7.81 to fix the issue. Rapid7 published a Metasploit module demonstrating exploitation and post-exploitation risks such as credential theft and SIP proxy hijacking.

🔍 In the January 27, 2026 OpenSSL security release, twelve previously unknown zero-day vulnerabilities were announced, all originally discovered and responsibly disclosed by our AI research system, AISLE. Ten of the issues were assigned CVE-2025 identifiers and two received CVE-2026 identifiers. One high-profile finding, CVE-2025-15467, is a stack buffer overflow with a NIST CVSS v3 score of 9.8 and has already produced public exploits. Five of the twelve accepted fixes were directly proposed by AISLE, and several bugs dated back to 1998–2000, including code inherited from the original SSLeay implementation.

⚠ A stack-based buffer overflow has been identified in Delta Electronics ASDA-Soft when parsing .par files, allowing an attacker to write data past a stack buffer and corrupt a structured exception handler (SEH). The issue affects versions <= 7.2.0.0 (CVE-2026-1361) and is assigned a CVSS v3.1 base score of 7.8 (High). Delta released fixed ASDA-Soft version 7.2.2.0 and published advisory Delta-PCSA-2026-00003; CISA reports no known public exploitation and notes the vulnerability is not remotely exploitable.

⚠️ Developers patched a nearly 30-year-old heap buffer overflow in the libpng image library—fixed in libpng 1.6.55—that can crash applications processing crafted PNG files and, with careful heap grooming, enable information disclosure or remote code execution. The flaw exists in the png_set_quantize function when called without a histogram and with oversized palettes. A proof-of-concept is public; users and distributors should upgrade promptly.

🔒 Siemens reports a heap-based buffer overflow in the WIBU CodeMeter Runtime used by Desigo CC and SENTRON Powermanager products. The flaw (CVE-2023-38545) occurs during the SOCKS5 proxy handshake when curl mishandles hostnames longer than 255 bytes and can enable code execution in the context of the affected process. Siemens provides instructions to update the CodeMeter Runtime component and advises upgrading affected systems to V8.0 QU2 or later; follow the vendor's patching guidance promptly.

⚠️ o6 Automation's Open62541 contains a heap out-of-bounds write in builds with PubSub and JSON enabled. A crafted JSON message can overwrite heap memory prior to authentication, reliably crashing the process and causing memory corruption. The vulnerability affects versions >=1.5-rc1 and <1.5-rc2 (CVE-2026-1301). Upgrade to v1.5.0 and apply network-access mitigations such as isolating control networks and restricting remote access to reduce exposure.

⚠️ The Cybersecurity and Infrastructure Security Agency (CISA) warns of a stack-based buffer overflow in Johnson Controls' iSTAR Configuration Utility (ICU), tracked as CVE-2025-26386. The vulnerability affects ICU versions <= 6.9.7 and, under certain conditions, could lead to an operating system failure on the host machine. Johnson Controls released a vendor fix; update ICU to version 6.9.8. CISA recommends applying the update promptly and following network-segmentation and remote-access best practices to reduce exposure.

🔒 Schneider Electric disclosed vulnerabilities in EcoStruxure Power Build Rapsody that can cause memory corruption and buffer overflows when importing project (SSD) files. Two tracked issues — CVE-2025-13844 (double free, CVSS 5.3) and CVE-2025-13845 (use-after-free, CVSS 7.8) — may allow local attackers to execute code if a user opens a malicious file. Schneider released regional fixed builds; users should install the appropriate update, restart services, and follow recommended mitigations if patching is delayed.

⚠ National Instruments released patches addressing multiple vulnerabilities in LabVIEW that could allow information disclosure and arbitrary code execution if a user opens a specially crafted VI file. The flaws include out-of-bounds read/write, use-after-free, and a stack-based buffer overflow across several LabVIEW releases up to 2025_Q3. Administrators should apply the vendor Q3 patch updates and minimize exposure of LabVIEW files while performing risk assessments.