# ESA vulnerabilities

Source: https://junglewise.ai/threats/vendors/esa  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/vendors/esa.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 4 vulnerabilities in ESA: 0 in the last 7 days and 4 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-76077, was published on 5 November 2026. 4 vulnerabilities in the last four weeks, up from none in the four before. 1 technology has a page of its own.

## Counts

- Last 7 days: 0
- Last 30 days: 3
- Last 90 days: 4
- All time: 4 (0 critical, 0 exploited in the wild)

## About ESA

European Space Agency.

## Latest ESA vulnerabilities

- [CVE-2026-76077: ASN1SCC buffer overflow in XER tokenizer](https://junglewise.ai/threats/cve-2026-76077-asn1scc-is-an-open-source-asn-1-compiler-for-embedded-systems) (high, CVSS 8.1, published 5 Nov 2026)
- [CVE-2026-75615: ASN1SCC ACN decoder buffer over-read in string decoding](https://junglewise.ai/threats/cve-2026-75615-asn1scc-is-an-open-source-asn-1-compiler-for-embedded-systems) (medium, CVSS 5.3, published 5 Nov 2026)
- [CVE-2026-75614: ASN1SCC integer constraint validation bypass in BitStream decoder](https://junglewise.ai/threats/cve-2026-75614-asn1scc-is-an-open-source-asn-1-compiler-for-embedded-systems) (high, CVSS 8.1, published 5 Nov 2026)
- [CVE-2026-54086: SLE API for Java unbounded allocation in ISP1 PDU handling](https://junglewise.ai/threats/cve-2026-54086-sle-api-for-java-is-an-implementation-of-ccsds-space-link) (medium, CVSS 5.3, published 13 Oct 2026)

## Most severe ESA vulnerabilities

- [CVE-2026-76077: ASN1SCC buffer overflow in XER tokenizer](https://junglewise.ai/threats/cve-2026-76077-asn1scc-is-an-open-source-asn-1-compiler-for-embedded-systems) (high, CVSS 8.1, published 5 Nov 2026)
- [CVE-2026-75614: ASN1SCC integer constraint validation bypass in BitStream decoder](https://junglewise.ai/threats/cve-2026-75614-asn1scc-is-an-open-source-asn-1-compiler-for-embedded-systems) (high, CVSS 8.1, published 5 Nov 2026)
- [CVE-2026-54086: SLE API for Java unbounded allocation in ISP1 PDU handling](https://junglewise.ai/threats/cve-2026-54086-sle-api-for-java-is-an-implementation-of-ccsds-space-link) (medium, CVSS 5.3, published 13 Oct 2026)
- [CVE-2026-75615: ASN1SCC ACN decoder buffer over-read in string decoding](https://junglewise.ai/threats/cve-2026-75615-asn1scc-is-an-open-source-asn-1-compiler-for-embedded-systems) (medium, CVSS 5.3, published 5 Nov 2026)

## Vulnerabilities per week

4 vulnerabilities in the last four weeks, up from none in the four before.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 1 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 3 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## ESA technologies

- [ESA ASN1SCC](https://junglewise.ai/threats/technologies/asn1scc): 3 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "ESA vulnerabilities", https://junglewise.ai/threats/vendors/esa, 13 November 2026.