CVE Explorer
CVE-2026-6681
The PKCS#7 decode path ignores the caller-supplied output buffer size (outputSz), allowing decoded content to be written past the bounds of the provided buffer. This affects wolfSSL 5.9.0 and earlier and was fixed in the 5.9.1 release.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1
Preserved source conflicts
No provider value was silently selected as the winner.
cwe · 2 assertions
{"cweId":"CWE-787","description":"CWE-787 Out-of-bounds Write","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:be9d2e4a1aecb0a8c754e7c74b3eb8c437f56a3dbdb2eb0f3c8bf3e18d2b0d09 · sha256:2bcff2baadaf4235… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-120","description":"CWE-120 Buffer Copy without Checking Size of Input","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:be9d2e4a1aecb0a8c754e7c74b3eb8c437f56a3dbdb2eb0f3c8bf3e18d2b0d09 · sha256:2bcff2baadaf4235… · /containers/cna/problemTypes/0/descriptions/1
Affected products and versions
1 source assertion{"collectionURL":"https://github.com/wolfSSL/wolfssl","defaultStatus":"unaffected","product":"wolfSSL","vendor":"wolfSSL","versions":[{"lessThanOrEqual":"5.9.0","status":"affected","version":"3.10.0","versionType":"semver"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:be9d2e4a1aecb0a8c754e7c74b3eb8c437f56a3dbdb2eb0f3c8bf3e18d2b0d09 · sha256:2bcff2baadaf4235… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"ADJACENT","baseScore":1,"baseSeverity":"LOW","exploitMaturity":"NOT_DEFINED","privilegesRequired":"LOW","providerUrgency":"CLEAR","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"PASSIVE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:A/AC:L/AT:P/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/U:Clear","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpa…
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:be9d2e4a1aecb0a8c754e7c74b3eb8c437f56a3dbdb2eb0f3c8bf3e18d2b0d09 · sha256:2bcff2baadaf4235… · /containers/cna/metrics/0/cvssV4_0
CWE assertions
2 source assertions{"cweId":"CWE-787","description":"CWE-787 Out-of-bounds Write","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:be9d2e4a1aecb0a8c754e7c74b3eb8c437f56a3dbdb2eb0f3c8bf3e18d2b0d09 · sha256:2bcff2baadaf4235… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-120","description":"CWE-120 Buffer Copy without Checking Size of Input","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:be9d2e4a1aecb0a8c754e7c74b3eb8c437f56a3dbdb2eb0f3c8bf3e18d2b0d09 · sha256:2bcff2baadaf4235… · /containers/cna/problemTypes/0/descriptions/1
Source references
2 source assertions{"tags":["patch"],"url":"https://github.com/wolfSSL/wolfssl/pull/10116"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:be9d2e4a1aecb0a8c754e7c74b3eb8c437f56a3dbdb2eb0f3c8bf3e18d2b0d09 · sha256:2bcff2baadaf4235… · /containers/cna/references/0
{"url":"https://www.wolfssl.com/docs/security-vulnerabilities/"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:be9d2e4a1aecb0a8c754e7c74b3eb8c437f56a3dbdb2eb0f3c8bf3e18d2b0d09 · sha256:2bcff2baadaf4235… · /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.