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VulnerabilityPublished Updated

CVE-2026-102804: Libstb · A vulnerability was detected in Nothings stb up to 2c980bb59875b0d32144a71867fbdebb2f77cd20

Affects libstbSource GCVE Database

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Authoritative record:CVE-2026-102804· Medium 6.9

Public exploit available · CVSS 6.9 Medium.

Data as of 14 Nov 2026, 20:43 UTC

CVSS 4.0 base score
6.9Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.3% chance of exploitation in 30 days – higher than 28% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

Exploitation evidence

t = 0 is the CVE’s publication on cve.org

  1. Disclosed: evidence found.

    CVE published 30 Sep 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: evidence found.

    CISA SSVC: proof of concept public

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

Timeline

  1. CVE ID reserved

    by VulDB

    , 7 hours before disclosure

  2. CVE published

    on cve.org

    , t = 0

  3. CISA SSVC assessment

    proof of concept public

    , 2 days after disclosure

  4. In Threat Radar

    record ingested

    , 26 days after disclosure

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CISA SSVC, the Metasploit, Exploit-DB and nuclei-templates index as of 14 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
Ubuntu 26.10libstbpkg:deb/ubuntu/libstb?arch=source&distro=stonkingOther threatsAffected
  • =0.0~git20250907.fede005+ds-1
Fixed in–
Ubuntu 26.04 LTSlibstbpkg:deb/ubuntu/libstb?arch=source&distro=resoluteOther threatsAffected
  • =0.0~git20241109.5c20573+ds-1
  • =0.0~git20250907.fede005+ds-1
Fixed in–
Ubuntu 24.04 LTSlibstbpkg:deb/ubuntu/libstb?arch=source&distro=nobleOther threatsAffected
  • =0.0~git20230129.5736b15+ds-1
  • =0.0~git20230129.5736b15+ds-1.1
  • =0.0~git20230129.5736b15+ds-1.2
Fixed in–
Ubuntu 22.04 LTSlibstbpkg:deb/ubuntu/libstb?arch=source&distro=jammyOther threatsAffected
  • =0.0~git20200713.b42009b+ds-1
  • =0.0~git20210910.af1a5bc+ds-1
Fixed in–
Ubuntu 20.04 LTSlibstbpkg:deb/ubuntu/libstb?arch=source&distro=focalOther threatsAffected
  • =0.0~git20190817.1.052dce1-1
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Users should monitor the vendor's advisory channels for updates. Until a fix is available, consider restricting exposure of affected components to untrusted networks to reduce exploitation risk.

Description

CVE-2026-102804 is an integer overflow vulnerability in the hexwave_init function of the stb_hexwave.h library within Nothings stb. The flaw occurs due to improper handling of the width or oversample arguments, which can lead to integer overflow. Remote exploitation is possible, and public exploit code is available. The vulnerability has a medium severity with a CVSS score of 6.5. The project has been notified but has not yet issued a patch or response.

References

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