CVE-2019-9805 — Use of Uninitialized Resource in Mozilla Firefox

CWE-908 — Use of Uninitialized ResourceCWE-696 — Incorrect Behavior OrderCWE-691 — Insufficient Control Flow ManagementCWE-20 — Improper Input Validation17 documents8 sources
Severity
9.8CRITICALNVD
EPSS
0.4%
top 38.06%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Mozilla FirefoxDebian Firefox
Timeline
PublishedApr 26
Latest updateMay 24

Description

A latent vulnerability exists in the Prio library where data may be read from uninitialized memory for some functions, leading to potential memory corruption. This vulnerability affects Firefox < 66.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages4 packages

▶debiandebian/firefox< firefox 66.0-1 (sid)
▶CVEListV5mozilla/firefoxunspecified — 66
▶NVDmozilla/firefox< 66.0
▶Ubuntumozilla/firefox< 66.0.2+build1-0ubuntu0.14.04.1+8

🔴Vulnerability Details

6
GHSA
GHSA-fqhq-pc8v-8xch: A latent vulnerability exists in the Prio library where data may be read from uninitialized memory for some functions, leading to potential memory cor↗2022-05-24
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OSV
firefox regressions↗2019-04-16
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OSV
firefox regression↗2019-03-28
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OSV
firefox vulnerabilities↗2019-03-25
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OSV
firefox vulnerabilities↗2019-03-21
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📋Vendor Advisories

6
Ubuntu
Firefox regressions↗2019-04-16
▶
Ubuntu
Firefox regression↗2019-03-28
▶
Ubuntu
Firefox vulnerabilities↗2019-03-25
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Ubuntu
Firefox vulnerabilities↗2019-03-21
▶
Debian
CVE-2019-9805: firefox - A latent vulnerability exists in the Prio library where data may be read from un...↗2019
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📐Framework References

3
CWE
Use of Uninitialized Resource↗
▶
CWE
Incorrect Behavior Order↗
▶
CWE
Insufficient Control Flow Management↗
▶

💬Community

1
Bugzilla
CVE-2017-9805 struts: RCE attack via REST plugin with XStream handler to deserialise XML requests↗2017-09-05
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