9.3

CVE-2015-4493: canonical ubuntu_linux

Modified
AliasesUBUNTU-CVE-2015-4493
Published 16-08-2015Last modified 06-08-2024

Vulnerability summary

CVE-2015-4493 is a high (CVSS 9.3) vulnerability in canonical ubuntu_linux. EPSS estimates a 6.65% chance of exploitation in the next 30 days, higher than 93.8% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 9.3, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
9.3/10
010
High · v2.0 (NVD)
EPSS score
6.65%
0%100%
Low · -0.70 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 6 · Related 3

Timeline

  1. 16-08-2015
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

Heap-based buffer overflow in the stagefright::ESDS::parseESDescriptor function in libstagefright in Mozilla Firefox before 40.0 and Firefox ESR 38.x before 38.2 allows remote attackers to execute arbitrary code via an invalid size field in an esds chunk in MPEG-4 video data, a related issue to CVE-2015-1539.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

6.65%

Chance of exploitation in the next 30 days

Percentile

94%

Versus all other CVEs

30-day change

Decrease -0.70 pp

From 7.36% 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.

Canonical1 product
Mozilla1 product
  • firefox≤ 39.0.3 | 38.0 | 38.0.1 | 38.0.5 | 38.1.0
Opensuse1 product
Oracle1 product
Ubuntu1 product
  • firefox< 40.0+build4-0ubuntu0.14.04.1

5 vendors · 5 products

References

19 links
Show all 19 references