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CVE-2025-8842

A vulnerability has been found in NASM Netwide Assember 2.17rc0. Affected by this issue is the function do_directive of the file preproc.c. The manipulation leads to use after free. An attack has to be approached locally. The exploit has been disclosed to the public and may be used.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:49267f884e5fec2bf173e5e6fbf7126d242c50b310b610a1dadccafced547dcb
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 4 assertions

{"metric":{"baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R","version":"3.0"},"metric_type":"cvssV3_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:4d2511996aed726b266b778c63d950321b1b414f66b558d0a0ac449047e93c6c · sha256:55e19dc25bd56439… · /containers/cna/metrics/2/cvssV3_0

{"metric":{"baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:4d2511996aed726b266b778c63d950321b1b414f66b558d0a0ac449047e93c6c · sha256:55e19dc25bd56439… · /containers/cna/metrics/1/cvssV3_1

{"metric":{"baseScore":4.8,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","version":"4.0"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:4d2511996aed726b266b778c63d950321b1b414f66b558d0a0ac449047e93c6c · sha256:55e19dc25bd56439… · /containers/cna/metrics/0/cvssV4_0

{"metric":{"baseScore":4.3,"vectorString":"AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR","version":"2.0"},"metric_type":"cvssV2_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:4d2511996aed726b266b778c63d950321b1b414f66b558d0a0ac449047e93c6c · sha256:55e19dc25bd56439… · /containers/cna/metrics/3/cvssV2_0
cwe · 2 assertions

{"cweId":"CWE-119","description":"Memory Corruption","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:4d2511996aed726b266b778c63d950321b1b414f66b558d0a0ac449047e93c6c · sha256:55e19dc25bd56439… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-416","description":"Use After Free","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:4d2511996aed726b266b778c63d950321b1b414f66b558d0a0ac449047e93c6c · sha256:55e19dc25bd56439… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"Netwide Assember","vendor":"NASM","versions":[{"status":"affected","version":"2.17rc0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4d2511996aed726b266b778c63d950321b1b414f66b558d0a0ac449047e93c6c · sha256:55e19dc25bd56439… · /containers/cna/affected/0

Provider-owned CVSS observations

4 source assertions
{"metric":{"baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R","version":"3.0"},"metric_type":"cvssV3_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:4d2511996aed726b266b778c63d950321b1b414f66b558d0a0ac449047e93c6c · sha256:55e19dc25bd56439… · /containers/cna/metrics/2/cvssV3_0
{"metric":{"baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:4d2511996aed726b266b778c63d950321b1b414f66b558d0a0ac449047e93c6c · sha256:55e19dc25bd56439… · /containers/cna/metrics/1/cvssV3_1
{"metric":{"baseScore":4.8,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","version":"4.0"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:4d2511996aed726b266b778c63d950321b1b414f66b558d0a0ac449047e93c6c · sha256:55e19dc25bd56439… · /containers/cna/metrics/0/cvssV4_0
{"metric":{"baseScore":4.3,"vectorString":"AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR","version":"2.0"},"metric_type":"cvssV2_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:4d2511996aed726b266b778c63d950321b1b414f66b558d0a0ac449047e93c6c · sha256:55e19dc25bd56439… · /containers/cna/metrics/3/cvssV2_0

CWE assertions

2 source assertions
{"cweId":"CWE-119","description":"Memory Corruption","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:4d2511996aed726b266b778c63d950321b1b414f66b558d0a0ac449047e93c6c · sha256:55e19dc25bd56439… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-416","description":"Use After Free","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:4d2511996aed726b266b778c63d950321b1b414f66b558d0a0ac449047e93c6c · sha256:55e19dc25bd56439… · /containers/cna/problemTypes/0/descriptions/0

Source references

7 source assertions
{"tags":["exploit"],"url":"https://bugzilla.nasm.us/show_bug.cgi?id=3392933"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4d2511996aed726b266b778c63d950321b1b414f66b558d0a0ac449047e93c6c · sha256:55e19dc25bd56439… · /containers/adp/0/references/0
{"tags":["issue-tracking"],"url":"https://bugzilla.nasm.us/show_bug.cgi?id=3392933"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4d2511996aed726b266b778c63d950321b1b414f66b558d0a0ac449047e93c6c · sha256:55e19dc25bd56439… · /containers/cna/references/3
{"tags":["exploit"],"url":"https://drive.google.com/file/d/11vEV1vMHXO4BrDGhvWAMm0Qo1woiUwVV/view?usp=drive_link"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4d2511996aed726b266b778c63d950321b1b414f66b558d0a0ac449047e93c6c · sha256:55e19dc25bd56439… · /containers/cna/references/4
{"name":"VDB-319376 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"],"url":"https://vuldb.com/?ctiid.319376"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4d2511996aed726b266b778c63d950321b1b414f66b558d0a0ac449047e93c6c · sha256:55e19dc25bd56439… · /containers/cna/references/1
{"name":"VDB-319376 | NASM Netwide Assember preproc.c do_directive use after free","tags":["vdb-entry","technical-description"],"url":"https://vuldb.com/?id.319376"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4d2511996aed726b266b778c63d950321b1b414f66b558d0a0ac449047e93c6c · sha256:55e19dc25bd56439… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://vuldb.com/?submit.623184"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4d2511996aed726b266b778c63d950321b1b414f66b558d0a0ac449047e93c6c · sha256:55e19dc25bd56439… · /containers/adp/0/references/1
{"name":"Submit #623184 | nasm NASM version 2.17rc0 compiled on Jul 20 2025 and the newest master (888d9ab) Memory Corruption","tags":["third-party-advisory"],"url":"https://vuldb.com/?submit.623184"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4d2511996aed726b266b778c63d950321b1b414f66b558d0a0ac449047e93c6c · sha256:55e19dc25bd56439… · /containers/cna/references/2

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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