CVE-2026-53002
Reported by Linux · Published June 24, 2026
In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: remove sprintf usage Replace it with scnprintf, the buffer sizes are expected to be large enough to hold the result, no need for snprintf+overflow check. Increase buffer size in mangle_content_len() while at it. BUG: KASAN: stack-out-of-bounds in vsnprintf+0xea5/0x1270 Write of size 1 at addr [..] vsnprintf+0xea5/0x1270 sprintf+0xb1/0xe0 mangle_content_len+0x1ac/0x280 nf_nat_sdp_session+0x1cc/0x240 process_sdp+0x8f8/0xb80 process_invite_request+0x108/0x2b0 process_sip_msg+0x5da/0xf50 sip_help_tcp+0x45e/0x780 nf_confirm+0x34d/0x990 [..]
Risk Scores
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | 9fafcd7b203229c3f3893a475741afc27e276306, 9fafcd7b203229c3f3893a475741afc27e276306, 9fafcd7b203229c3f3893a475741afc27e276306 |
| Linux | Linux | 2.6.20, 0, 5.10.258 |
| Red Hat | Red Hat Enterprise Linux 10 | |
| Red Hat | Red Hat Enterprise Linux 7 | |
| Red Hat | Red Hat Enterprise Linux 8 | |
| Red Hat | Red Hat Enterprise Linux 9 | |
| Red Hat | Red Hat Enterprise Linux 9 | |
| Red Hat | Red Hat Enterprise Linux 9 | |
| Red Hat | Red Hat Enterprise Linux 10 | |
| Red Hat | Red Hat Enterprise Linux 8 | |
| Red Hat | Red Hat Enterprise Linux 6 | |
| Red Hat | Red Hat Enterprise Linux 7 | |
| Linux | Linux | 7.1, 5.10.258, 5.15.209 |
| Red Hat | Red Hat Enterprise Linux 6 | |
| linux | linux_kernel | 2.6.20, 2.6.20, 2.6.20 |
| Red Hat | Red Hat Enterprise Linux 7 | |
| Red Hat | Red Hat Enterprise Linux 8 |
Timeline
- Jun 24, 2026 CVE Published
- Jun 25, 2026 Coalition ESS Score
- Jun 26, 2026 EPSS Score
- Jul 15, 2026 CVE Updated
- Aug 7, 2026 EPSS Score