CVE-2020-26952
published 2020-12-09CVE-2020-26952: Incorrect bookkeeping of functions inlined during JIT compilation could have led to memory corruption and a potentially exploitable crash when handling…
PriorityP338high8.8CVSS 3.1
AVNACLPRNUIRSUCHIHAH
EPSS
1.15%
63.1th percentile
Incorrect bookkeeping of functions inlined during JIT compilation could have led to memory corruption and a potentially exploitable crash when handling out-of-memory errors. This vulnerability affects Firefox < 83.
Affected
7 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | firefox | < firefox 83.0-1 (sid) | firefox 83.0-1 (sid) |
| mozilla | firefox | < 83 | 83 |
| mozilla | firefox | < 83.0 | 83.0 |
| mozilla | firefox | — | — |
| mozilla | firefox | >= 0 < 83.0+build2-0ubuntu0.16.04.3 | 83.0+build2-0ubuntu0.16.04.3 |
| mozilla | firefox | >= 0 < 83.0+build2-0ubuntu0.18.04.2 | 83.0+build2-0ubuntu0.18.04.2 |
| mozilla | firefox | >= 0 < 83.0+build2-0ubuntu0.20.04.1 | 83.0+build2-0ubuntu0.20.04.1 |
CVSS provenance
nvdv3.18.8HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
nvdv2.09.3CRITICALAV:N/AC:M/Au:N/C:C/I:C/A:C
osv8.8HIGH
vendor_debian8.8HIGH
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
Ubuntu
Firefox vulnerabilities
vendor_ubuntu·2020-11-19
CVE-2020-26958 Firefox vulnerabilities
Title: Firefox vulnerabilities
Summary: Firefox could be made to crash or run programs as your login if it
opened a malicious website.
USN-4637-1 fixed vulnerabilities in Firefox. This update provides the
corresponding updates for Ubuntu 16.04 LTS.
Original advisory details:
Multiple security issues were discovered in Firefox. If a user were
tricked in to opening a specially crafted website, an attacker could
potentially exploit these to cause a denial of service, obtain sensitive
information across origins, bypass security restrictions, conduct phishing
attacks, conduct cross-site scripting (XSS) attacks, bypass Content
Security Policy (CSP) restrictions, conduct DNS rebinding attacks, or
execute arbitrary code.
Instructions: After a standard system update you need to restart Firefox
Ubuntu
Firefox vulnerabilities
vendor_ubuntu·2020-11-18
CVE-2020-26952 Firefox vulnerabilities
Title: Firefox vulnerabilities
Summary: Firefox could be made to crash or run programs as your login if it
opened a malicious website.
Multiple security issues were discovered in Firefox. If a user were
tricked in to opening a specially crafted website, an attacker could
potentially exploit these to cause a denial of service, obtain sensitive
information across origins, bypass security restrictions, conduct phishing
attacks, conduct cross-site scripting (XSS) attacks, bypass Content
Security Policy (CSP) restrictions, conduct DNS rebinding attacks, or
execute arbitrary code.
Instructions: After a standard system update you need to restart Firefox to make
all the necessary changes.
Debian
CVE-2020-26952: firefox - Incorrect bookkeeping of functions inlined during JIT compilation could have led...
vendor_debian·2020·CVSS 8.8
CVE-2020-26952 [HIGH] CVE-2020-26952: firefox - Incorrect bookkeeping of functions inlined during JIT compilation could have led...
Incorrect bookkeeping of functions inlined during JIT compilation could have led to memory corruption and a potentially exploitable crash when handling out-of-memory errors. This vulnerability affects Firefox < 83.
Scope: local
sid: resolved (fixed in 83.0-1)
Mozilla
Mozilla Foundation Security Advisory 2020-50: CVE-2020-26952
vendor_mozilla·CVSS 8.8
CVE-2020-26952 [HIGH] Mozilla Foundation Security Advisory 2020-50: CVE-2020-26952
Mozilla Foundation Security Advisory 2020-50
CVE: CVE-2020-26952
Product: Firefox
Impact: high
Fixed in: Firefox 83
GHSA
GHSA-gqgc-5jm8-qf2w: Incorrect bookkeeping of functions inlined during JIT compilation could have led to memory corruption and a potentially exploitable crash when handlin
ghsa_unreviewed·2022-05-24
CVE-2020-26952 [HIGH] CWE-787 GHSA-gqgc-5jm8-qf2w: Incorrect bookkeeping of functions inlined during JIT compilation could have led to memory corruption and a potentially exploitable crash when handlin
Incorrect bookkeeping of functions inlined during JIT compilation could have led to memory corruption and a potentially exploitable crash when handling out-of-memory errors. This vulnerability affects Firefox < 83.
OSV
CVE-2020-26952: Incorrect bookkeeping of functions inlined during JIT compilation could have led to memory corruption and a potentially exploitable crash when handlin
osv·2020-11-17·CVSS 8.8
CVE-2020-26952 [HIGH] CVE-2020-26952: Incorrect bookkeeping of functions inlined during JIT compilation could have led to memory corruption and a potentially exploitable crash when handlin
Incorrect bookkeeping of functions inlined during JIT compilation could have led to memory corruption and a potentially exploitable crash when handling out-of-memory errors. This vulnerability affects Firefox < 83.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2020-12-09
Published