CVE Explorer
CVE-2026-10536
A use-after-free vulnerability exists in libcurl when an application
configures an HTTP/2 stream-dependency tree via `CURLOPT_STREAM_DEPENDS` or
`CURLOPT_STREAM_DEPENDS_E`, subsequently invokes `curl_easy_reset()`, and
finally terminates the handle with `curl_easy_cleanup()`. During this final
cleanup phase, libcurl attempts to access and modify an internal structure
that was already freed during the reset operation.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","product":"curl","vendor":"curl","versions":[{"lessThanOrEqual":"8.20.0","status":"affected","version":"8.20.0","versionType":"semver"},{"lessThanOrEqual":"8.19.0","status":"affected","version":"8.19.0","versionType":"semver"},{"lessThanOrEqual":"8.18.0","status":"affected","version":"8.18.0","versionType":"semver"},{"lessThanOrEqual":"8.17.0","status":"affected","version":"8.17.0","versionType":"semver"},{"lessThanOrEqual":"8.16.0","status":"affected","version":"8.16.0","versionType":"semver"},{"lessThanOrEqual":"8.15.0","status":"affected","version":"8.15.0","ve…
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:e3107d5b52adb25edabf2d103a58a9ff70e18ddbd90d61d2d170c257dde77c54 · sha256:054e03ac8f4745a8… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:e3107d5b52adb25edabf2d103a58a9ff70e18ddbd90d61d2d170c257dde77c54 · sha256:054e03ac8f4745a8… · /containers/adp/0/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"description":"CWE-416 Use After Free","lang":"en"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:e3107d5b52adb25edabf2d103a58a9ff70e18ddbd90d61d2d170c257dde77c54 · sha256:054e03ac8f4745a8… · /containers/cna/problemTypes/0/descriptions/0
Source references
4 source assertions{"name":"www","url":"https://curl.se/docs/CVE-2026-10536.html"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:e3107d5b52adb25edabf2d103a58a9ff70e18ddbd90d61d2d170c257dde77c54 · sha256:054e03ac8f4745a8… · /containers/cna/references/1
{"name":"json","url":"https://curl.se/docs/CVE-2026-10536.json"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:e3107d5b52adb25edabf2d103a58a9ff70e18ddbd90d61d2d170c257dde77c54 · sha256:054e03ac8f4745a8… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://hackerone.com/reports/3751697"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:e3107d5b52adb25edabf2d103a58a9ff70e18ddbd90d61d2d170c257dde77c54 · sha256:054e03ac8f4745a8… · /containers/adp/0/references/0
{"name":"issue","url":"https://hackerone.com/reports/3751697"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:e3107d5b52adb25edabf2d103a58a9ff70e18ddbd90d61d2d170c257dde77c54 · sha256:054e03ac8f4745a8… · /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.