CVE-2023-4583
published 2023-09-11CVE-2023-4583: When checking if the Browsing Context had been discarded in `HttpBaseChannel`, if the load group was not available then it was assumed to have already been…
PriorityP339high7.5CVSS 3.1
AVNACLPRNUINSUCNIHAN
EPSS
0.56%
42.7th percentile
When checking if the Browsing Context had been discarded in `HttpBaseChannel`, if the load group was not available then it was assumed to have already been discarded which was not always the case for private channels after the private session had ended. This vulnerability affects Firefox < 117, Firefox ESR < 115.2, and Thunderbird < 115.2.
Affected
16 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | firefox | < firefox 117.0-1 (sid) | firefox 117.0-1 (sid) |
| debian | firefox-esr | < firefox 117.0-1 (sid) | firefox 117.0-1 (sid) |
| debian | thunderbird | < firefox 117.0-1 (sid) | firefox 117.0-1 (sid) |
| mozilla | firefox | < 117.0 | 117.0 |
| mozilla | firefox | — | — |
| mozilla | firefox | >= 0 < 117.0+build2-0ubuntu0.20.04.1 | 117.0+build2-0ubuntu0.20.04.1 |
| mozilla | firefox | >= unspecified < 117 | 117 |
| mozilla | firefox_esr | < 115.2 | 115.2 |
| mozilla | firefox_esr | >= unspecified < 115.2 | 115.2 |
| mozilla | thunderbird | < 115.2 | 115.2 |
| mozilla | thunderbird | >= 0 < 1:115.2.0-1 | 1:115.2.0-1 |
| mozilla | thunderbird | >= 0 < 1:115.2.0-1 | 1:115.2.0-1 |
| mozilla | thunderbird | >= 0 < 1:115.3.1+build1-0ubuntu0.20.04.1 | 1:115.3.1+build1-0ubuntu0.20.04.1 |
| mozilla | thunderbird | >= 0 < 1:115.3.1+build1-0ubuntu0.22.04.2 | 1:115.3.1+build1-0ubuntu0.22.04.2 |
| mozilla | thunderbird | >= unspecified < 115.2 | 115.2 |
| msrc | azl3_mozjs_102.15.1-1_on_azure_linux_3.0 | — | — |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
osv8.8HIGH
vendor_ubuntu8.8HIGH
vendor_debian7.5HIGH
vendor_msrc7.5HIGH
vendor_redhat7.5HIGH
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Ubuntu
Thunderbird vulnerabilities
vendor_ubuntu·2023-10-03·CVSS 8.8
CVE-2023-5176 [HIGH] Thunderbird vulnerabilities
Title: Thunderbird vulnerabilities
Summary: Several security issues were fixed in Thunderbird.
Multiple security issues were discovered in Thunderbird. If a user were
tricked into opening a specially crafted website in a browsing context, an
attacker could potentially exploit these to cause a denial of service,
obtain sensitive information, bypass security restrictions, cross-site
tracing, or execute arbitrary code. (CVE-2023-4057, CVE-2023-4577,
CVE-2023-4578, CVE-2023-4583, CVE-2023-4585, CVE-2023-5169, CVE-2023-5171,
CVE-2023-5176)
Andrew McCreight discovered that Thunderbird did not properly manage during
the worker lifecycle. An attacker could potentially exploit this issue to
cause a denial of service. (CVE-2023-3600)
Harveer Singh discovered that Thunderbird did not store push n
Microsoft
When checking if the Browsing Context had been discarded in `HttpBaseChannel`, if the load group was not available then it was assumed to have already been discarded which was not always the case for
vendor_msrc·2023-09-12·CVSS 7.5
CVE-2023-4583 [HIGH] When checking if the Browsing Context had been discarded in `HttpBaseChannel`, if the load group was not available then it was assumed to have already been discarded which was not always the case for
When checking if the Browsing Context had been discarded in `HttpBaseChannel`, if the load group was not available then it was assumed to have already been discarded which was not always the case for private channels after the private session had ended. This vulnerability affects Firefox Is Azure Linux the only Microsoft product that includes this open-source library and is therefore potentially affected by this vulnerability?
One of the main benefits to our customers who choose to use the Azure Linux distro is the commitment to keep it up to date with the most recent and most secure versions of the open source libraries with which the distro is composed. Microsoft is committed to transparency in this work which is why we began publishing CSAF/VEX in October 2025. See this blog post for mo
Ubuntu
Firefox vulnerabilities
vendor_ubuntu·2023-08-30·CVSS 6.5
CVE-2023-4575 [MEDIUM] Firefox vulnerabilities
Title: Firefox vulnerabilities
Summary: Several security issues were fixed in Firefox.
Multiple security issues were discovered in Firefox. If a user were
tricked into opening a specially crafted website, an attacker could
potentially exploit these to cause a denial of service, obtain sensitive
information across domains, or execute arbitrary code. (CVE-2023-4573,
CVE-2023-4574, CVE-2023-4575, CVE-2023-4578, CVE-2023-4581, CVE-2023-4583,
CVE-2023-4584, CVE-2023-4585)
Lukas Bernhard discovered that Firefox did not properly manage memory when
the "UpdateRegExpStatics" attempted to access "initialStringHeap". An
attacker could potentially exploit this issue to cause a denial of service.
(CVE-2023-4577)
Malte Jürgens discovered that Firefox did not properly handle search
queries if the sea
Red Hat
Mozilla: Browsing Context potentially not cleared when closing Private Window
vendor_redhat·2023-08-29·CVSS 7.5
CVE-2023-4583 [HIGH] CWE-179 Mozilla: Browsing Context potentially not cleared when closing Private Window
Mozilla: Browsing Context potentially not cleared when closing Private Window
When checking if the Browsing Context had been discarded in `HttpBaseChannel`, if the load group was not available then it was assumed to have already been discarded which was not always the case for private channels after the private session had ended. This vulnerability affects Firefox < 117, Firefox ESR < 115.2, and Thunderbird < 115.2.
The Mozilla Foundation Security Advisory describes this flaw as:
When checking if the Browsing Context had been discarded in `HttpBaseChannel`, if the load group was not available then it was assumed to have already been discarded which was not always the case for private channels after the private session had ended.
Statement: Red Hat Product Security rates the severity of
Debian
CVE-2023-4583: firefox - When checking if the Browsing Context had been discarded in `HttpBaseChannel`, i...
vendor_debian·2023·CVSS 7.5
CVE-2023-4583 [HIGH] CVE-2023-4583: firefox - When checking if the Browsing Context had been discarded in `HttpBaseChannel`, i...
When checking if the Browsing Context had been discarded in `HttpBaseChannel`, if the load group was not available then it was assumed to have already been discarded which was not always the case for private channels after the private session had ended. This vulnerability affects Firefox < 117, Firefox ESR < 115.2, and Thunderbird < 115.2.
Scope: local
sid: resolved (fixed in 117.0-1)
Mozilla
Mozilla Foundation Security Advisory 2023-38: CVE-2023-4583
vendor_mozilla·CVSS 7.5
CVE-2023-4583 [HIGH] Mozilla Foundation Security Advisory 2023-38: CVE-2023-4583
Mozilla Foundation Security Advisory 2023-38
CVE: CVE-2023-4583
Product: Thunderbird
Impact: high
Fixed in: Thunderbird 115.2
Mozilla
Mozilla Foundation Security Advisory 2023-36: CVE-2023-4583
vendor_mozilla·CVSS 7.5
CVE-2023-4583 [HIGH] Mozilla Foundation Security Advisory 2023-36: CVE-2023-4583
Mozilla Foundation Security Advisory 2023-36
CVE: CVE-2023-4583
Product: Firefox ESR
Impact: high
Fixed in: Firefox ESR 115.2
Mozilla
Mozilla Foundation Security Advisory 2023-34: CVE-2023-4583
vendor_mozilla·CVSS 7.5
CVE-2023-4583 [HIGH] Mozilla Foundation Security Advisory 2023-34: CVE-2023-4583
Mozilla Foundation Security Advisory 2023-34
CVE: CVE-2023-4583
Product: Firefox
Impact: high
Fixed in: Firefox 117
OSV
thunderbird vulnerabilities
osv·2023-10-03·CVSS 8.8
CVE-2023-4057 [HIGH] thunderbird vulnerabilities
thunderbird vulnerabilities
Multiple security issues were discovered in Thunderbird. If a user were
tricked into opening a specially crafted website in a browsing context, an
attacker could potentially exploit these to cause a denial of service,
obtain sensitive information, bypass security restrictions, cross-site
tracing, or execute arbitrary code. (CVE-2023-4057, CVE-2023-4577,
CVE-2023-4578, CVE-2023-4583, CVE-2023-4585, CVE-2023-5169, CVE-2023-5171,
CVE-2023-5176)
Andrew McCreight discovered that Thunderbird did not properly manage during
the worker lifecycle. An attacker could potentially exploit this issue to
cause a denial of service. (CVE-2023-3600)
Harveer Singh discovered that Thunderbird did not store push notifications
in private browsing mode in encrypted form. An attacker
GHSA
GHSA-wxxp-w379-49qj: When checking if the Browsing Context had been discarded in `HttpBaseChannel`, if the load group was not available then it was assumed to have already
ghsa_unreviewed·2023-09-11
CVE-2023-4583 [HIGH] CWE-754 GHSA-wxxp-w379-49qj: When checking if the Browsing Context had been discarded in `HttpBaseChannel`, if the load group was not available then it was assumed to have already
When checking if the Browsing Context had been discarded in `HttpBaseChannel`, if the load group was not available then it was assumed to have already been discarded which was not always the case for private channels after the private session had ended. This vulnerability affects Firefox < 117, Firefox ESR < 115.2, and Thunderbird < 115.2.
OSV
CVE-2023-4583: When checking if the Browsing Context had been discarded in `HttpBaseChannel`, if the load group was not available then it was assumed to have already
osv·2023-09-11·CVSS 7.5
CVE-2023-4583 [HIGH] CVE-2023-4583: When checking if the Browsing Context had been discarded in `HttpBaseChannel`, if the load group was not available then it was assumed to have already
When checking if the Browsing Context had been discarded in `HttpBaseChannel`, if the load group was not available then it was assumed to have already been discarded which was not always the case for private channels after the private session had ended. This vulnerability affects Firefox < 117, Firefox ESR < 115.2, and Thunderbird < 115.2.
OSV
firefox vulnerabilities
osv·2023-08-30·CVSS 6.5
CVE-2023-4573 [MEDIUM] firefox vulnerabilities
firefox vulnerabilities
Multiple security issues were discovered in Firefox. If a user were
tricked into opening a specially crafted website, an attacker could
potentially exploit these to cause a denial of service, obtain sensitive
information across domains, or execute arbitrary code. (CVE-2023-4573,
CVE-2023-4574, CVE-2023-4575, CVE-2023-4578, CVE-2023-4581, CVE-2023-4583,
CVE-2023-4584, CVE-2023-4585)
Lukas Bernhard discovered that Firefox did not properly manage memory when
the "UpdateRegExpStatics" attempted to access "initialStringHeap". An
attacker could potentially exploit this issue to cause a denial of service.
(CVE-2023-4577)
Malte Jürgens discovered that Firefox did not properly handle search
queries if the search query itself was a well formed URL. An attacker could
potent
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://bugzilla.mozilla.org/show_bug.cgi?id=1842030https://www.mozilla.org/security/advisories/mfsa2023-34/https://www.mozilla.org/security/advisories/mfsa2023-36/https://www.mozilla.org/security/advisories/mfsa2023-38/https://bugzilla.mozilla.org/show_bug.cgi?id=1842030https://www.mozilla.org/security/advisories/mfsa2023-34/https://www.mozilla.org/security/advisories/mfsa2023-36/https://www.mozilla.org/security/advisories/mfsa2023-38/
2023-09-11
Published