Vulnerability · Published Mar 2, 2020 · Assigned by mozilla
CVE-2020-6796
High 8.8
In plain English
A high-severity security flaw in Firefox from Mozilla. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 72% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)8.8High
Exploit odds (30 days)1.4%top 27.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A content process could have modified shared memory relating to crash reporting information, crash itself, and cause an out-of-bound write. This could have caused memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 73 and Firefox < ESR68.5.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | firefox-esr | 68.5.0-r0 | ALPINE-CVE-2020-6796 |
| Alpine:v3.21 | firefox-esr | 68.5.0-r0 | ALPINE-CVE-2020-6796 |
| Alpine:v3.22 | firefox-esr | 68.5.0-r0 | ALPINE-CVE-2020-6796 |
| Alpine:v3.23 | firefox-esr | 68.5.0-r0 | ALPINE-CVE-2020-6796 |
| Debian:12 | firefox-esr | 68.5.0esr-1 | DEBIAN-CVE-2020-6796 |
| Debian:13 | firefox-esr | 68.5.0esr-1 | DEBIAN-CVE-2020-6796 |
| Debian:14 | firefox-esr | 68.5.0esr-1 | DEBIAN-CVE-2020-6796 |
Affected products (as reported)
References
- https://www.mozilla.org/security/advisories/mfsa2020-05/ x_refsource_MISC
- https://www.mozilla.org/security/advisories/mfsa2020-06/ x_refsource_MISC
- https://bugzilla.mozilla.org/show_bug.cgi?id=1610426 x_refsource_MISC
- USN-4278-2 vendor-advisory, x_refsource_UBUNTU
- GLSA-202003-02 vendor-advisory, x_refsource_GENTOO