CVE-2019-10621
CVE-2019-10621 is a high-severity vulnerability in Qualcomm Nicobar Firmware with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-416.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- CVSS v2: 4.6
- EPSS exploit prediction: 0% (10th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-416
- Affected product: Qualcomm Nicobar Firmware
- Published:
- Last modified:
Description
Use after free issue when MAP and UNMAP calls at same time as data structure used my MAP may be freed by UNMAP function in Snapdragon Auto, Snapdragon Compute, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music in Nicobar, QCS405, Rennell, Saipan, SC8180X, SDX55, SM6150, SM7150, SM8150, SM8250, SXR2130
Frequently asked questions
- What is CVE-2019-10621?
- Use after free issue when MAP and UNMAP calls at same time as data structure used my MAP may be freed by UNMAP function in Snapdragon Auto, Snapdragon Compute, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music in Nicobar, QCS405, Rennell, Saipan, SC8180X, SDX55, SM6150, SM7150, SM8150, SM8250, SXR2130
- How severe is CVE-2019-10621?
- CVE-2019-10621 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2019-10621 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2019-10621?
- CVE-2019-10621 primarily affects Qualcomm Nicobar Firmware. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2019-10621?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2019-10621 published?
- CVE-2019-10621 was published on 2020-04-16 and last updated on 2026-06-17.
References
Affected products (11)
- cpe:2.3:o:qualcomm:nicobar_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:qualcomm:qcs405_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:qualcomm:rennell_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:qualcomm:saipan_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:qualcomm:sc8180x_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:qualcomm:sdx55_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:qualcomm:sm6150_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:qualcomm:sm7150_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:qualcomm:sm8150_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:qualcomm:sm8250_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:qualcomm:sxr2130_firmware:-:*:*:*:*:*:*:*
More vulnerabilities in Qualcomm Nicobar Firmware
- CVE-2020-3703 — Critical (CVSS 9.8): u'Buffer over-read issue in Bluetooth peripheral firmware due to lack of check for invalid opcode and length of opcode…
- CVE-2020-3692 — Critical (CVSS 9.8): u'Possible buffer overflow while updating output buffer for IMEI and Gateway Address due to lack of check of input…
- CVE-2020-3673 — Critical (CVSS 9.8): u'Buffer overflow can happen as part of SIP message packet processing while storing values in array due to lack of…
- CVE-2020-3654 — Critical (CVSS 9.8): u'Buffer overflow occurs while processing SIP message packet due to lack of check of index validation before copying…
- CVE-2020-3675 — Critical (CVSS 9.8): u'Potential integer underflow while parsing Service Info and IPv6 link-local TLVs that comes as part of NDPE attribute'…
- CVE-2020-3669 — Critical (CVSS 9.8): u'Buffer Overflow issue in WLAN tcp ip verification due to usage of out of range pointer offset' in Snapdragon Auto,…
All CVEs affecting Qualcomm Nicobar Firmware →
Other CWE-416 (Use After Free) vulnerabilities
- CVE-2026-13782 — Critical (CVSS 10.0): Use after free in Browser in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the…
- CVE-2026-4725 — Critical (CVSS 10.0): Sandbox escape due to use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149…
- CVE-2026-4688 — Critical (CVSS 10.0): Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox…
- CVE-2025-24085 — Critical (CVSS 10.0): A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.3 and iPadOS 18.3,…
- CVE-2024-43102 — Critical (CVSS 10.0): Concurrent removals of certain anonymous shared memory mappings by using the UMTX_SHM_DESTROY sub-request of…
- CVE-2021-32495 — Critical (CVSS 10.0): Radare2 has a use-after-free vulnerability in pyc parser's get_none_object function. Attacker can read freed memory…