5

CVE-2014-7815: canonical ubuntu_linux Improper Input Validation

Modified
AliasesUBUNTU-CVE-2014-7815DEBIAN-CVE-2014-7815
Published 14-11-2014Last modified 06-08-2024

Vulnerability summary

CVE-2014-7815 is a medium (CVSS 5.0) Improper Input Validation vulnerability in canonical ubuntu_linux. EPSS estimates a 3.74% chance of exploitation in the next 30 days, higher than 89.8% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.0/10
010
Medium · v2.0 (NVD)
EPSS score
3.74%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 14 · Related 9

Timeline

  1. 14-11-2014
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

The set_pixel_format function in ui/vnc.c in QEMU allows remote attackers to cause a denial of service (crash) via a small bytes_per_pixel value.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

3.74%

Chance of exploitation in the next 30 days

Percentile

90%

Versus all other CVEs

30-day change

No change 0.00 pp

From 3.74% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.

Redhat6 products
Debian2 products
Suse2 products
Canonical1 product
Qemu1 product
Ubuntu1 product
  • qemu< 2.0.0+dfsg-2ubuntu1.7

6 vendors · 13 products

References

17 links
Show all 17 references