CVE-2017-5375: Mozilla Thunderbird vulnerability

CVE-2017-5375: JIT code allocation can allow for a bypass of ASLR and DEP protections leading to potential memory corrupti...

JIT code allocation can allow for a bypass of ASLR and DEP protections leading to potential memory corruption attacks. This vulnerability affects Thunderbird < 45.7, Firefox ESR < 45.7, and Firefox < 51.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 5, 2024, 14:55 UTC (UTC+00:00)

Security readout for executives and security teams

This issue affected older Mozilla Firefox, Firefox ESR, and Thunderbird releases. A JIT memory allocation weakness could weaken browser hardening protections, increasing the chance that another memory bug could become a practical compromise. It is mainly a legacy-software risk today. Exposure is most likely on unmanaged or legacy endpoints still running pre-2017 Mozilla Firefox, Firefox ESR, or Thunderbird versions, including older Linux distribution packages that were not updated through vendor security channels. Prioritize remediation where legacy Mozilla clients remain in business use, especially on desktops used for web browsing or email. If current supported versions are deployed, this should be a verification item rather than an emergency project. Mitigation focus: Upgrade Firefox to 51 or later, if still present.; Upgrade Firefox ESR to 45.7 or later, if still present.; Upgrade Thunderbird to 45.7 or later, if still present..

Prepared: Jun 7, 2026, 06:44 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cve · low confidence lookup

CVE-2017-5375 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup

Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Jun 11, 2018, 21:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

12Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
https://www.mozilla.org/security/advisories/mfsa2017-03/CVE reference · x_refsource_CONFIRM
https://www.mozilla.org/security/advisories/mfsa2017-02/CVE reference · x_refsource_CONFIRM
GLSA-201702-22CVE reference · vendor-advisory, x_refsource_GENTOO
42327CVE reference · exploit, x_refsource_EXPLOIT-DB
DSA-3832CVE reference · vendor-advisory, x_refsource_DEBIAN
44293CVE reference · exploit, x_refsource_EXPLOIT-DB
GLSA-201702-13CVE reference · vendor-advisory, x_refsource_GENTOO
DSA-3771CVE reference · vendor-advisory, x_refsource_DEBIAN
44294CVE reference · exploit, x_refsource_EXPLOIT-DB
https://www.mozilla.org/security/advisories/mfsa2017-01/CVE reference · x_refsource_CONFIRM
https://bugzilla.mozilla.org/show_bug.cgi?id=1325200CVE reference · x_refsource_CONFIRM

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

MozillaThunderbirdunspecifiedListed

MozillaFirefox ESRunspecifiedListed

MozillaFirefoxunspecifiedListed

Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.