CVE-2020-15656
published 2020-08-10CVE-2020-15656: JIT optimizations involving the Javascript arguments object could confuse later optimizations. This risk was already mitigated by various precautions in the…
PriorityP342high8.8CVSS 3.1
AVNACLPRNUIRSUCHIHAH
EPSS
1.51%
71.3th percentile
JIT optimizations involving the Javascript arguments object could confuse later optimizations. This risk was already mitigated by various precautions in the code, resulting in this bug rated at only moderate severity. This vulnerability affects Firefox ESR < 78.1, Firefox < 79, and Thunderbird < 78.1.
Affected
18 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| debian | firefox | < firefox 79.0-1 (sid) | firefox 79.0-1 (sid) |
| debian | thunderbird | < firefox 79.0-1 (sid) | firefox 79.0-1 (sid) |
| mozilla | firefox | < 79.0 | 79.0 |
| mozilla | firefox | — | — |
| mozilla | firefox | >= 0 < 79.0+build1-0ubuntu0.16.04.2 | 79.0+build1-0ubuntu0.16.04.2 |
| mozilla | firefox | >= 0 < 79.0+build1-0ubuntu0.18.04.1 | 79.0+build1-0ubuntu0.18.04.1 |
| mozilla | firefox | >= 0 < 79.0+build1-0ubuntu0.20.04.1 | 79.0+build1-0ubuntu0.20.04.1 |
| mozilla | firefox | >= unspecified < 79 | 79 |
| mozilla | firefox_esr | < 78.1 | 78.1 |
| mozilla | firefox_esr | >= unspecified < 78.1 | 78.1 |
| mozilla | thunderbird | < 78.1 | 78.1 |
| mozilla | thunderbird | >= 0 < 1:78.8.1+build1-0ubuntu0.18.04.1 | 1:78.8.1+build1-0ubuntu0.18.04.1 |
| mozilla | thunderbird | >= 0 < 1:78.7.1+build1-0ubuntu0.20.04.1 | 1:78.7.1+build1-0ubuntu0.20.04.1 |
| mozilla | thunderbird | >= unspecified < 78.1 | 78.1 |
| opensuse | leap | — | — |
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
vendor_redhat8.8HIGH
vendor_ubuntu6.5MEDIUM
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GHSA
GHSA-cwww-4cwr-37ph: JIT optimizations involving the Javascript arguments object could confuse later optimizations
ghsa_unreviewed·2022-05-24
CVE-2020-15656 [HIGH] CWE-843 GHSA-cwww-4cwr-37ph: JIT optimizations involving the Javascript arguments object could confuse later optimizations
JIT optimizations involving the Javascript arguments object could confuse later optimizations. This risk was already mitigated by various precautions in the code, resulting in this bug rated at only moderate severity. This vulnerability affects Firefox ESR < 78.1, Firefox < 79, and Thunderbird < 78.1.
OSV
CVE-2020-15656: JIT optimizations involving the Javascript arguments object could confuse later optimizations
osv·2020-07-29·CVSS 8.8
CVE-2020-15656 [HIGH] CVE-2020-15656: JIT optimizations involving the Javascript arguments object could confuse later optimizations
JIT optimizations involving the Javascript arguments object could confuse later optimizations. This risk was already mitigated by various precautions in the code, resulting in this bug rated at only moderate severity. This vulnerability affects Firefox ESR < 78.1, Firefox < 79, and Thunderbird < 78.1.
OSV
firefox vulnerabilities
osv·2020-07-29·CVSS 6.5
CVE-2020-6463 [MEDIUM] firefox vulnerabilities
firefox vulnerabilities
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, bypass iframe sandbox restrictions, confuse the user, or
execute arbitrary code. (CVE-2020-6463, CVE-2020-6514, CVE-2020-15652,
CVE-2020-15653, CVE-2020-15654, CVE-2020-15656, CVE-2020-15658,
CVE-2020-15659)
It was discovered that redirected HTTP requests which are observed or
modified through a web extension could bypass existing CORS checks. If a
user were tricked in to installing a specially crafted extension, an
attacker could potentially exploit this to obtain sensitive information
across origins. (CVE-2020-15655)
Ubuntu
Firefox vulnerabilities
vendor_ubuntu·2020-07-29·CVSS 6.5
CVE-2020-15652 [MEDIUM] 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, bypass iframe sandbox restrictions, confuse the user, or
execute arbitrary code. (CVE-2020-6463, CVE-2020-6514, CVE-2020-15652,
CVE-2020-15653, CVE-2020-15654, CVE-2020-15656, CVE-2020-15658,
CVE-2020-15659)
It was discovered that redirected HTTP requests which are observed or
modified through a web extension could bypass existing CORS checks. If a
user were tricked in to installing a specially crafted extension, an
attacker could pote
Red Hat
Mozilla: Type confusion for special arguments in IonMonkey
vendor_redhat·2020-07-28·CVSS 8.8
CVE-2020-15656 [HIGH] CWE-843 Mozilla: Type confusion for special arguments in IonMonkey
Mozilla: Type confusion for special arguments in IonMonkey
JIT optimizations involving the Javascript arguments object could confuse later optimizations. This risk was already mitigated by various precautions in the code, resulting in this bug rated at only moderate severity. This vulnerability affects Firefox ESR < 78.1, Firefox < 79, and Thunderbird < 78.1.
Package: firefox (Red Hat Enterprise Linux 5) - Not affected
Package: thunderbird (Red Hat Enterprise Linux 5) - Out of support scope
Package: firefox (Red Hat Enterprise Linux 6) - Out of support scope
Package: thunderbird (Red Hat Enterprise Linux 6) - Out of support scope
Package: thunderbird (Red Hat Enterprise Linux 7) - Will not fix
Package: thunderbird (Red Hat Enterprise Linux 8) - Will not fix
Debian
CVE-2020-15656: firefox - JIT optimizations involving the Javascript arguments object could confuse later ...
vendor_debian·2020·CVSS 8.8
CVE-2020-15656 [HIGH] CVE-2020-15656: firefox - JIT optimizations involving the Javascript arguments object could confuse later ...
JIT optimizations involving the Javascript arguments object could confuse later optimizations. This risk was already mitigated by various precautions in the code, resulting in this bug rated at only moderate severity. This vulnerability affects Firefox ESR < 78.1, Firefox < 79, and Thunderbird < 78.1.
Scope: local
sid: resolved (fixed in 79.0-1)
Mozilla
Mozilla Foundation Security Advisory 2020-32: CVE-2020-15656
vendor_mozilla·CVSS 8.8
CVE-2020-15656 [HIGH] Mozilla Foundation Security Advisory 2020-32: CVE-2020-15656
Mozilla Foundation Security Advisory 2020-32
CVE: CVE-2020-15656
Product: Firefox ESR
Impact: high
Fixed in: Firefox ESR 78.1
Mozilla
Mozilla Foundation Security Advisory 2020-33: CVE-2020-15656
vendor_mozilla·CVSS 8.8
CVE-2020-15656 [HIGH] Mozilla Foundation Security Advisory 2020-33: CVE-2020-15656
Mozilla Foundation Security Advisory 2020-33
CVE: CVE-2020-15656
Product: Thunderbird
Impact: high
Fixed in: Thunderbird 78.1
Mozilla
Mozilla Foundation Security Advisory 2020-30: CVE-2020-15656
vendor_mozilla·CVSS 8.8
CVE-2020-15656 [HIGH] Mozilla Foundation Security Advisory 2020-30: CVE-2020-15656
Mozilla Foundation Security Advisory 2020-30
CVE: CVE-2020-15656
Product: Firefox
Impact: high
Fixed in: Firefox 79
No detection rules found.
No public exploits indexed.
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00025.htmlhttps://bugzilla.mozilla.org/show_bug.cgi?id=1647293https://usn.ubuntu.com/4443-1/https://www.mozilla.org/security/advisories/mfsa2020-30/https://www.mozilla.org/security/advisories/mfsa2020-32/https://www.mozilla.org/security/advisories/mfsa2020-33/http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00025.htmlhttps://bugzilla.mozilla.org/show_bug.cgi?id=1647293https://usn.ubuntu.com/4443-1/https://www.mozilla.org/security/advisories/mfsa2020-30/https://www.mozilla.org/security/advisories/mfsa2020-32/https://www.mozilla.org/security/advisories/mfsa2020-33/
2020-08-10
Published