CVE-2026-121943Medium· 4.8▾ TwilightPoC availableIrontec sngrep through 1.9.0 contains an out-of-bounds stack read vulnerability in sip_check_packet and sip_validate_packet caused by an off-by-one length check on 10240-byte SIP payloads. Remote attackers can send a crafted UDP or TCP S…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 26.4 · likelihood 1.1 · exploitation 12
A public proof-of-concept already exists for this vulnerability — see Exploit availability below.
Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Exploit-prediction probability, daily snapshots since Nov 6.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
5.6%
Irontec sngrep through 1.9.0 contains an out-of-bounds stack read vulnerability in sip_check_packet and sip_validate_packet caused by an off-by-one length check on 10240-byte SIP payloads. Remote attackers can send a crafted UDP or TCP SIP packet or supply a pcap file to crash sngrep or leak adjacent stack bytes into displayed SIP fields.
sngrep <= 1.9.0Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-121944Medium· 5.5sngrep through 1.9.0 Infinite Loop DoS via Crafted NFLOG TLV
CVE-2026-90558Critical· 9.8sngrep through 1.8.4 contains stack buffer overflow vulnerabilities in SIP attribute formatting routines when header values exceed the 255-byte buffer limit
CVE-2026-5067Critical· 9.8A remote, unauthenticated attacker can trigger memory corruption in Zephyr's HTTP server WebSocket upgrade path by sending a crafted Sec-WebSocket-Key header
CVE-2026-2239Low· 2.8Gimp: gimp: application crash (dos) via crafted psd file due to heap-buffer-overflow
CVE-2026-57185Medium· 6.5Asterisk: Buffer over-read in Asterisk PJSIP MWI body parser
CVE-2026-114457Low· 3.7Mod_qos: missing nul termination in json value escaping permits out-of-bounds reads