Answer in brief
CVE-2019-11707 records a High severity vulnerability in CVE Program Container. The current sources mark it as known exploited. The current feed maps Mozilla/Firefox (generic), Mozilla/Firefox ESR (generic), Mozilla/Thunderbird (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. Known-exploitation status makes exposure review time-sensitive. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Mozilla/Firefox (generic), Mozilla/Firefox ESR (generic), Mozilla/Thunderbird (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Mozilla/Firefoxgeneric | >=unspecified <67.0.3 | 67.0.3 |
| Mozilla/Firefox ESRgeneric | >=unspecified <60.7.1 | 60.7.1 |
| Mozilla/Thunderbirdgeneric | >=unspecified <60.7.2 | 60.7.2 |
Published upstream
Jul 23, 2019
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 21, 2025
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
May 24, 2026
Added to CISA KEV
May 23, 2022
Evidence: source:kev:kev:kev:recordA type confusion vulnerability can occur when manipulating JavaScript objects due to issues in Array.pop. This can allow for an exploitable crash. We are aware of targeted attacks in the wild abusing this flaw. This vulnerability affects Firefox ESR < 60.7.1, Firefox < 67.0.3, and Thunderbird < 60.7.2.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2019-11707 records a High severity vulnerability in CVE Program Container. The current sources mark it as known exploited. The current feed maps Mozilla/Firefox (generic), Mozilla/Firefox ESR (generic), Mozilla/Thunderbird (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. Known-exploitation status makes exposure review time-sensitive. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Mozilla/Firefox (generic), Mozilla/Firefox ESR (generic), Mozilla/Thunderbird (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Mozilla/Firefoxgeneric | >=unspecified <67.0.3 | 67.0.3 |
| Mozilla/Firefox ESRgeneric | >=unspecified <60.7.1 | 60.7.1 |
| Mozilla/Thunderbirdgeneric | >=unspecified <60.7.2 | 60.7.2 |
Published upstream
Jul 23, 2019
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 21, 2025
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
May 24, 2026
Added to CISA KEV
May 23, 2022
Evidence: source:kev:kev:kev:recordA type confusion vulnerability can occur when manipulating JavaScript objects due to issues in Array.pop. This can allow for an exploitable crash. We are aware of targeted attacks in the wild abusing this flaw. This vulnerability affects Firefox ESR < 60.7.1, Firefox < 67.0.3, and Thunderbird < 60.7.2.
Quoted source text, attributed separately from HOL analysis.