Baitaphish
Security intelligence
SearchLatest briefing
CVE Explorer

CVE-2026-45232

Rsync versions before 3.4.3 contain an off-by-one out-of-bounds stack write vulnerability in the establish_proxy_connection() function in socket.c that allows network attackers to corrupt stack memory by sending a malformed HTTP proxy response. Attackers can exploit this by positioning themselves between the client and proxy or controlling the proxy server to send a response line of 1023 or more bytes without a newline terminator, causing a null byte to be written to an out-of-bounds stack addre
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:106404ef7e694926b9cc5d6930602b525bda9f621863f61a12a6b8b0f6e9b6dd
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 2 assertions

{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":3.1,"baseSeverity":"LOW","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f6cd5c201a855fc84b99a219d709118c70a456a48399832af315aabb28653421 · sha256:34394fad286e0386… · /containers/cna/metrics/1/cvssV3_1

{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"HIGH","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":2.1,"baseSeverity":"LOW","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:H/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_v5cvss
    urn:baitaphish:normalized-source-record:v2:f6cd5c201a855fc84b99a219d709118c70a456a48399832af315aabb28653421 · sha256:34394fad286e0386… · /containers/cna/metrics/0/cvssV4_0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","packageURL":"pkg:github/RsyncProject/rsync","product":"rsync","repo":"https://github.com/RsyncProject/rsync","vendor":"RsyncProject","versions":[{"lessThan":"3.4.3","status":"affected","version":"0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f6cd5c201a855fc84b99a219d709118c70a456a48399832af315aabb28653421 · sha256:34394fad286e0386… · /containers/cna/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":3.1,"baseSeverity":"LOW","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f6cd5c201a855fc84b99a219d709118c70a456a48399832af315aabb28653421 · sha256:34394fad286e0386… · /containers/cna/metrics/1/cvssV3_1
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"HIGH","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":2.1,"baseSeverity":"LOW","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:H/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_v5cvss
    urn:baitaphish:normalized-source-record:v2:f6cd5c201a855fc84b99a219d709118c70a456a48399832af315aabb28653421 · sha256:34394fad286e0386… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-193","description":"Off-by-one Error","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f6cd5c201a855fc84b99a219d709118c70a456a48399832af315aabb28653421 · sha256:34394fad286e0386… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"tags":["release-notes"],"url":"https://github.com/RsyncProject/rsync/releases/tag/v3.4.3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f6cd5c201a855fc84b99a219d709118c70a456a48399832af315aabb28653421 · sha256:34394fad286e0386… · /containers/cna/references/1
{"tags":["vendor-advisory"],"url":"https://github.com/RsyncProject/rsync/security/advisories/GHSA-8f85-j2cv-59m8"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f6cd5c201a855fc84b99a219d709118c70a456a48399832af315aabb28653421 · sha256:34394fad286e0386… · /containers/cna/references/0
{"tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/rsync-off-by-one-stack-write-via-http-proxy"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f6cd5c201a855fc84b99a219d709118c70a456a48399832af315aabb28653421 · sha256:34394fad286e0386… · /containers/cna/references/2

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.

← Back to CVE Explorer