CVE-2026-14461 - Out-of-bound read in mtr
CVE ID :CVE-2026-14461
Published : July 10, 2026, 11:16 a.m. | 1 hour, 29 minutes ago
Description :mtr is vulnerable to Out-of-bound read vulnerability in ipinfo_lookup() function. An attacker who can influence the TXT response used for AS lookups can trigger this bug by returning a DNS response that is larger than 512 bytes and uses a crafted compression pointer in the answer NAME field. ipinfo_lookup() function uses the length of the response as the end-of-message boundary for dn_expand() function. The result is a reliable crash. This issue exists in the mtr through version 0.96 and it was fixed in commit 48e1794414d338ce47abc0f27c25ade8788af9c3.
Severity: 5.1 | MEDIUM
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Published : July 10, 2026, 11:16 a.m. | 1 hour, 29 minutes ago
Description :mtr is vulnerable to Out-of-bound read vulnerability in ipinfo_lookup() function. An attacker who can influence the TXT response used for AS lookups can trigger this bug by returning a DNS response that is larger than 512 bytes and uses a crafted compression pointer in the answer NAME field. ipinfo_lookup() function uses the length of the response as the end-of-message boundary for dn_expand() function. The result is a reliable crash. This issue exists in the mtr through version 0.96 and it was fixed in commit 48e1794414d338ce47abc0f27c25ade8788af9c3.
Severity: 5.1 | MEDIUM
Visit the link for more details, such as CVSS details, affected products, timeline, and more...