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CVE-2024-4767· NVD / CVE Program· CNA mozilla

If the `browser.privatebrowsing.autostart` preference is enabled, IndexedDB files were not properly deleted when the window was closed.

If the `browser.privatebrowsing.autostart` preference is enabled, IndexedDB files were not properly deleted when the window was closed. This preference is disabled by default in Firefox. This vulnerability affects Firefox < 126, Firefox ESR < 115.11, and Thunderbird < 115.11.

MediumCVSS 4.3 · v3.1—No exploit Fix available

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Published
May 14, 2024
Updated
Jun 17, 2026
EPSS
0.5% · 40th percentile
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Report tools

JSON

Action score

17

Monitor

Low priority for now.

CVSS
17 / 40 · 4.3 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.5%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

Affected systems

VendorProduct
mozillafirefox
mozillathunderbird
debiandebian linux

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • debian debian linux10.0
  • mozilla firefoxbefore 115.11.0
  • mozilla firefoxbefore 126.0
  • mozilla thunderbirdbefore 115.11.0

Versions reported by the vendor

Affected version ranges reported by the assigning authority (mozilla). Independent of NVD's CPE analysis and usually ahead of it.

  • Mozilla Firefox

    • unspecified and later · before 126affected

  • Mozilla Firefox ESR

    • unspecified and later · before 115.11affected

  • Mozilla Thunderbird

    • unspecified and later · before 115.11affected

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
AlmaLinux:8firefoxbefore 115.11.0-1.el8_10.alma.1115.11.0-1.el8_10.alma.1
AlmaLinux:8thunderbirdbefore 115.11.0-1.el8_10.alma.1115.11.0-1.el8_10.alma.1
AlmaLinux:9firefoxbefore 115.11.0-1.el9_4.alma.1115.11.0-1.el9_4.alma.1
AlmaLinux:9firefox-x11before 115.11.0-1.el9_4.alma.1115.11.0-1.el9_4.alma.1
AlmaLinux:9thunderbirdbefore 115.11.0-1.el9_4.alma.1115.11.0-1.el9_4.alma.1
Debian:10firefox-esrbefore 115.11.0esr-1~deb10u1115.11.0esr-1~deb10u1
Debian:10thunderbirdbefore 1:115.11.0-1~deb10u11:115.11.0-1~deb10u1
Debian:11firefox-esrbefore 115.11.0esr-1~deb11u1115.11.0esr-1~deb11u1
Debian:11thunderbirdbefore 1:115.11.0-1~deb11u11:115.11.0-1~deb11u1
Debian:12firefox-esrbefore 115.11.0esr-1~deb12u1115.11.0esr-1~deb12u1
Debian:12thunderbirdbefore 1:115.11.0-1~deb12u11:115.11.0-1~deb12u1
Debian:13firefox-esrbefore 115.11.0esr-1115.11.0esr-1
Debian:13thunderbirdbefore 1:115.11.0-11:115.11.0-1
openSUSE:TumbleweedMozillaFirefoxbefore 126.0-1.1126.0-1.1
openSUSE:TumbleweedMozillaThunderbirdbefore 115.11.0-1.1115.11.0-1.1
Red Hat:enterprise_linux:7::clientfirefoxbefore 0:115.11.0-1.el7_90:115.11.0-1.el7_9
Red Hat:enterprise_linux:7::clientfirefox-debuginfobefore 0:115.11.0-1.el7_90:115.11.0-1.el7_9
Red Hat:enterprise_linux:7::clientthunderbirdbefore 0:115.11.0-1.el7_90:115.11.0-1.el7_9
Red Hat:enterprise_linux:7::clientthunderbird-debuginfobefore 0:115.11.0-1.el7_90:115.11.0-1.el7_9
Red Hat:enterprise_linux:8::appstreamfirefoxbefore 0:115.11.0-1.el8_100:115.11.0-1.el8_10
Red Hat:enterprise_linux:8::appstreamfirefox-debuginfobefore 0:115.11.0-1.el8_100:115.11.0-1.el8_10
Red Hat:enterprise_linux:8::appstreamfirefox-debugsourcebefore 0:115.11.0-1.el8_100:115.11.0-1.el8_10
Red Hat:enterprise_linux:8::appstreamthunderbirdbefore 0:115.11.0-1.el8_100:115.11.0-1.el8_10
Red Hat:enterprise_linux:8::appstreamthunderbird-debuginfobefore 0:115.11.0-1.el8_100:115.11.0-1.el8_10

+53

Same product

mozilla: all records

Other highest-scoring records for the same primary product.

  • CVE-2010-3765Mozilla Firefox 3.5.x through 3.5.14 and 3.6.x through 3.6.11, Thunderbird 3.1.6 before 3.1.6 and 3.0.x before 3.0.10, and SeaMonkey 2.x befKEV
    94Now
  • CVE-2019-11708Insufficient vetting of parameters passed with the Prompt:Open IPC message between child and parent processes can result in the non-sandboxeKEV
    87Now
  • CVE-2015-4495The PDF reader in Mozilla Firefox before 39.0.3, Firefox ESR 38.x before 38.1.1, and Firefox OS before 2.2 allows remote attackers to bypassKEV
    86Now
  • CVE-2013-1690Mozilla Firefox before 22.0, Firefox ESR 17.x before 17.0.7, Thunderbird before 17.0.7, and Thunderbird ESR 17.x before 17.0.7 do not properKEV
    86Now
  • CVE-2019-17026Incorrect alias information in IonMonkey JIT compiler for setting array elements could lead to a type confusion.KEV
    79This week
  • CVE-2024-9680An attacker was able to achieve code execution in the content process by exploiting a use-after-free in Animation timelines.KEV
    76This week

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
almalinux:firefox115.11.0-1.el9_4.alma.1 · AlmaLinux:9Package registry (OSV)
almalinux:firefox-x11115.11.0-1.el9_4.alma.1 · AlmaLinux:9Package registry (OSV)
almalinux:thunderbird115.11.0-1.el9_4.alma.1 · AlmaLinux:9Package registry (OSV)
debian:firefox-esr115.11.0esr-1~deb12u1 · Debian:12Package registry (OSV)
debian:thunderbird1:115.11.0-1~deb12u1 · Debian:12Package registry (OSV)
opensuse:MozillaFirefox115.11.0-150200.152.137.2 · openSUSE:Leap 15.5Package registry (OSV)
opensuse:MozillaThunderbird115.11.0-150200.8.160.1 · openSUSE:Leap 15.5Package registry (OSV)
red hat:firefox0:115.11.0-1.el7_9 · Red Hat:enterprise_linux:7::clientPackage registry (OSV)
red hat:firefox-debuginfo0:115.11.0-1.el7_9 · Red Hat:enterprise_linux:7::clientPackage registry (OSV)
red hat:firefox-debugsource0:115.11.0-1.el8_2 · Red Hat:rhel_aus:8.2::appstreamPackage registry (OSV)
red hat:firefox-x110:115.11.0-1.el9_4 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:thunderbird0:115.11.0-1.el9_4 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:thunderbird-debuginfo0:115.11.0-1.el9_4 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
red hat:thunderbird-debugsource0:115.11.0-1.el9_4 · Red Hat:enterprise_linux:9::appstreamPackage registry (OSV)
rocky linux:firefox0:115.11.0-1.el8_10 · Rocky Linux:8Package registry (OSV)
rocky linux:thunderbird0:115.11.0-1.el9_4 · Rocky Linux:9Package registry (OSV)
suse:MozillaFirefox115.11.0-112.212.1 · SUSE:Linux Enterprise Software Development Kit 12 SP5Package registry (OSV)
suse:MozillaFirefox115.11.0-150200.152.137.2 · SUSE:Linux Enterprise Module for Desktop Applications 15 SP5Package registry (OSV)
suse:MozillaThunderbird115.11.0-150200.8.160.1 · SUSE:Linux Enterprise Module for Package Hub 15 SP5Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • A user must open a link or visit a page.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
low · data can be read
Integrity
none
Availability
none
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Unchanged
Confidentiality impact
Low
Integrity impact
None
Availability impact
None

Weakness class (CWE)

CWE-459 · Incomplete Cleanup

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

nvd-secondary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records