CVE Explorer
CVE-2026-14461
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 wa
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","product":"mtr","programFiles":["ui/asn.c"],"programRoutines":[{"name":"ipinfo_lookup()"}],"repo":"https://github.com/traviscross/mtr/","vendor":"BitWizard","versions":[{"lessThanOrEqual":"0.96","status":"affected","version":"0","versionType":"custom"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:bb36615b46ba575d18260595134fa702ca0a14af47592e200d1147c0c5ea58dc · sha256:a4e5f84a87f99fe6… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":5.1,"baseSeverity":"MEDIUM","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"ACTIVE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"LOW","vulnConfidentialityImpact…
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:bb36615b46ba575d18260595134fa702ca0a14af47592e200d1147c0c5ea58dc · sha256:a4e5f84a87f99fe6… · /containers/cna/metrics/0/cvssV4_0
CWE assertions
1 source assertion{"cweId":"CWE-125","description":"CWE-125 Out-of-bounds read","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:bb36615b46ba575d18260595134fa702ca0a14af47592e200d1147c0c5ea58dc · sha256:a4e5f84a87f99fe6… · /containers/cna/problemTypes/0/descriptions/0
Source references
2 source assertions{"tags":["third-party-advisory"],"url":"https://cert.pl/en/posts/2026/07/CVE-2026-14461"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:bb36615b46ba575d18260595134fa702ca0a14af47592e200d1147c0c5ea58dc · sha256:a4e5f84a87f99fe6… · /containers/cna/references/0
{"tags":["patch"],"url":"https://github.com/traviscross/mtr/commit/48e1794414d338ce47abc0f27c25ade8788af9c3"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:bb36615b46ba575d18260595134fa702ca0a14af47592e200d1147c0c5ea58dc · sha256:a4e5f84a87f99fe6… · /containers/cna/references/1
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.