CVE-2021-38467
7.3 HIGHA specific function code receives a raw pointer supplied by the user and deallocates this pointer
Published: 2021-10-22 · Last updated: 2026-06-17
Severity and scoring
- CVSS
- 7.3 HIGH
- Vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:H
- CWE
- CWE-416
Affected products
| Vendor | Product |
|---|---|
| auvesy | versiondog |
Description
A specific function code receives a raw pointer supplied by the user and deallocates this pointer. The user can then control what memory regions will be freed and cause use-after-free condition.
Source: NVD
References
Related CVEs
Same vendor
- CVE-2021-38481 — The scheduler service running on a specific TCP port enables the user to start and stop jobs (8.1 HIGH)
- CVE-2021-38479 — Many API function codes receive raw pointers remotely from the user and trust these pointers as valid in-bound memory regions (6.5 MEDIUM)
- CVE-2021-38477 — There are multiple API function codes that permit reading and writing data to or from files and directories, which could lead to the mani... (9.8 CRITICAL)
- CVE-2021-38475 — The database connection to the server is performed by calling a specific API, which could allow an unprivileged user to gain SYSDBA permi... (7.3 HIGH)
- CVE-2021-38473 — The affected product’s code base doesn’t properly control arguments for specific functions, which could lead to a stack overflow (8.0 HIGH)
Same CWE
- CVE-2026-10640 — Zephyr's IPv6 Neighbor Discovery send paths (net_ipv6_send_na, net_ipv6_send_ns, net_ipv6_send_rs in subsys/net/ip/ipv6_nbr.c) updated th... (4.2 MEDIUM)
- CVE-2026-10639 — In Zephyr's native IPv4 stack, icmpv4_handle_echo_request() in subsys/net/ip/icmpv4.c builds an echo-reply packet (reply), hands it to ne... (4.8 MEDIUM)
- CVE-2026-10638 — subsys/net/ip/icmpv6.c reads the network interface from a net_pkt after that packet has been handed to net_try_send_data() (5.9 MEDIUM)
- CVE-2026-10637 — subsys/net/ip/ipv6_mld.c:mld_send() read the packet interface via net_pkt_iface(pkt) after net_send_data(pkt) returned successfully (5.9 MEDIUM)
- CVE-2026-10636 — In Zephyr's IPv4 IGMP implementation, igmp_send() in subsys/net/ip/igmp.c read the network interface back out of the packet via net_pkt_i... (3.7 LOW)