5.5med

CVE-2017-8906

An integer underflow vulnerability exists in pixel-a.asm, the x86 assembly code for planeClipAndMax() in MulticoreWare x265 through 2.4, as…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
5.5
v3.1 · NVD
CISA KEV
No
not known exploited
EPSS
0.8%
percentile 57%
Public exploits
0
none known

Summary

An integer underflow vulnerability exists in pixel-a.asm, the x86 assembly code for planeClipAndMax() in MulticoreWare x265 through 2.4, as used by the x265_encoder_encode dependency in libbpg and other products. A small picture can cause an integer underflow, which leads to a Denial of Service in the process of encoding.

Exploit prediction (EPSS)

0.80% probability of exploitation in the next 30 days, higher than 57% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.15.5CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD2.04.3AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-191 Integer Underflow (Wrap or Wraparound)

References

  • bitbucket.org /multicoreware/x265/issues/345/integer-underflow-in-x265-source-common · x_refsource_MISC, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.