CVE-2026-107705

A flaw was found in Poppler. A stack-based buffer overflow vulnerability exists in the decryption routine when processing encrypted PDF documents. By providing an overly long password during document decryption, an attacker can overwrite memory buffers. This issue primarily leads to a Denial of...

UBUNTU-CVE-2026-6678

Integer underflow in wcPKCS7DecryptOri when handling crafted Other Recipient Info, leading to incorrect length handling during decryption...

AZL-75911 CVE-2025-69421 affecting package edk2 for versions less than 20240524git3e722403cd16-14

Issue summary: Processing a malformed PKCS12 file can trigger a NULL pointer dereference in the PKCS12itemdecryptd2iex function. Impact summary: A NULL pointer dereference can trigger a crash which leads to Denial of Service for an application processing PKCS12 files. The PKCS12itemdecryptd2iex...

CVE-2023-37464

A vulnerability was found in cjose. The cjose is a C library implementing the Javascript Object Signing and Encryption JOSE. The AES GCM decryption routine incorrectly uses the tag length from the actual Authentication Tag provided in the JSON Web Encryption JWE. A fixed length of 16 octets must ...

PT-2023-1651

Name of the Vulnerable Software and Affected Versions TPM2.0 affected versions not specified Description An out-of-bounds write vulnerability exists in TPM2.0's Module Library, allowing writing of a 2-byte data past the end of TPM2.0 command in the CryptParameterDecryption routine. This can lead ...

CVE-2022-20679: Improper Input Validation

A vulnerability in the IPSec decryption routine of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service DoS condition. This vulnerability is due to buffer exhaustion that occurs while traffic on a configured...

Catching the RAT called Agent Tesla

For the last few years, the Qualys Research Team has been observing an infamous "Malware-as-a-service" RAT Remote Access Trojan called Agent Tesla. It first appeared in 2014, and since then many variants have been deployed. This malware uses multiple techniques for evading detection as well as...

Mac ThiefQuest malware may not be ransomware after all

Editor's note: The original name for the malware, EvilQuest, has been changed due to a legitimate game of the same name from 2012. The new name, ThiefQuest, is also more fitting for our updated understanding of the malware. The ThiefQuest malware, which was discovered last week, may not actually ...

Locky is Back Asking for Unpaid Debts

On June 21, 2016, FireEye’s Dynamic Threat Intelligence DTI identified an increase in JavaScript contained within spam emails. FireEye analysts determined the increase was the result of a new Locky ransomware spam campaign. As shown in Figure 1, Locky spam activity was uninterrupted until June 1,...

Locky is Back Asking for Unpaid Debts

On June 21, 2016, FireEye’s Dynamic Threat Intelligence DTI identified an increase in JavaScript contained within spam emails. FireEye analysts determined the increase was the result of a new Locky ransomware spam campaign. As shown in Figure 1, Locky spam activity was uninterrupted until June 1,...