CVE Explorer
CVE-2026-56002
A heap bufferflow in pcfReadFont() due to missing glyph bounds checking in libXfont2 before 2.0.8 allows attackers authenticated as X client to execute code within the X server.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","packageName":"libXfont2","product":"libXfont2","repo":"https://gitlab.freedesktop.org/xorg/lib/libxfont","vendor":"X.Org","versions":[{"lessThan":"2.0.8","status":"affected","version":"0","versionType":"rpm"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:e5f6ebddbabb7a617a528a08f14ded1e5b2d9a1d35fb7c3aa1be1f8bf253505e · sha256:fd3a5e024b075735… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:e5f6ebddbabb7a617a528a08f14ded1e5b2d9a1d35fb7c3aa1be1f8bf253505e · sha256:fd3a5e024b075735… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-122","description":"CWE-122 Heap-based buffer overflow","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:e5f6ebddbabb7a617a528a08f14ded1e5b2d9a1d35fb7c3aa1be1f8bf253505e · sha256:fd3a5e024b075735… · /containers/cna/problemTypes/0/descriptions/0
Source references
2 source assertions{"tags":["patch"],"url":"https://gitlab.freedesktop.org/xorg/lib/libxfont/-/commit/b4389e0b1d84a690b819bb27b1439968811a3674"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:e5f6ebddbabb7a617a528a08f14ded1e5b2d9a1d35fb7c3aa1be1f8bf253505e · sha256:fd3a5e024b075735… · /containers/cna/references/0
{"tags":["vendor-advisory"],"url":"https://www.openwall.com/lists/oss-security/2026/07/08/1"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:e5f6ebddbabb7a617a528a08f14ded1e5b2d9a1d35fb7c3aa1be1f8bf253505e · sha256:fd3a5e024b075735… · /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.