VulnSocial

CVE-2026-56002Disclosure(x / libxfont)

LOWCVSS 8.8 · HIGH

Signal is active with 2 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

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.

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0.0/ 10 priority

Sources & remediation

Patch / fix
Weakness type (CWE)
CWE-122

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • libxfont

Threat summary

  • 2 mentions across 1 observed day

What's happening

  • Technical details provided in 2 signals
  • Disclosure: 2 classified signals
  • 2 total mentions across 1 day

Affected systems

Vendors
x
Products
libxfont

Deep dive

Activity timeline2 mentions / 1d
01122Mentions · 2026-07-08: 2Technical Details · 2026-07-08: 207-08
Signal classification1 categories
Disclosure
2100.0%
Referenced assets2 URLs
By indicator
Full discourse2 posts
  • Infoflowcloud@infoflowcloud
    Disclosure

    🚨*CVE* 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 t… https://www.cve.org/CVERecord?id=CVE-2026-56002 ----- Traducción: CVE-2026-56002 un … http://infoflow.cloud`

    Post summary

    The tweet briefly discloses CVE-2026-56002, noting a heap buffer‑overflow in libXfont2 that allows authenticated X clients to execute code, and provides a link to the official CVE record.

    0000030
    91 followersView on X
  • CVE@CVEnew
    Disclosure

    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 t… https://www.cve.org/CVERecord?id=CVE-2026-56002

    Post summary

    The text announces CVE-2026-56002 as a heap buffer‑overflow vulnerability in libXfont2 that allows authenticated X clients to execute code; no exploit code or patch details are provided.

    00000741
    57.8K followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appxlibxfont---

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