{"id":"CVE-2026-126546","published":"2026-11-11T01:17:16.420","lastModified":"2026-11-11T01:17:16.420","description":"Viber for iOS through 29.4.0.24 fails to validate the logical screen width and height in received GIF headers, allowing attackers to crash the app. Attackers can send a crafted GIF with zero dimensions that triggers an uncaught NSInternalInconsistencyException, aborting the app with SIGABRT when opened.","cvssScore":4.3,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","cwes":["CWE-248"],"vendors":[],"products":[],"references":[{"url":"https://www.viber.com","tags":[]},{"url":"https://www.vulncheck.com/advisories/viber-for-ios-through-29.4.0.24-denial-of-service-via-malformed-gif","tags":[]},{"url":"https://www.zeroscience.mk/en/vulnerabilities/ZSL-2026-6039.php","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}