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Bug 903755 (CVE-2020-21528, CVE-2022-44370) - <dev-lang/nasm-2.16: heap buffer overflow
Summary: <dev-lang/nasm-2.16: heap buffer overflow
Alias: CVE-2020-21528, CVE-2022-44370
Product: Gentoo Security
Classification: Unclassified
Component: Vulnerabilities (show other bugs)
Hardware: All Linux
: Normal minor (vote)
Assignee: Gentoo Security
Whiteboard: B3 [glsa+]
Depends on: 915106
  Show dependency tree
Reported: 2023-04-04 04:10 UTC by John Helmert III
Modified: 2023-12-22 12:13 UTC (History)
2 users (show)

See Also:
Package list:
Runtime testing required: ---


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Description John Helmert III archtester Gentoo Infrastructure gentoo-dev Security 2023-04-04 04:10:02 UTC

NASM v2.16 was discovered to contain a heap buffer overflow in the component quote_for_pmake() asm/nasm.c:856

Fixed in 2.16.
Comment 1 Hans de Graaff gentoo-dev Security 2023-10-03 06:23:08 UTC
Ping. Please file a stable bug for dev-lang/nasm-2.16.01.
Comment 2 John Helmert III archtester Gentoo Infrastructure gentoo-dev Security 2023-11-25 18:29:09 UTC
CVE-2020-21528 (

A Segmentation Fault issue discovered in in ieee_segment function in outieee.c in nasm 2.14.03 and 2.15 allows remote attackers to cause a denial of service via crafted assembly file.
Comment 3 Larry the Git Cow gentoo-dev 2023-12-22 12:11:58 UTC
The bug has been referenced in the following commit(s):

commit 9f9ee310bf6c4ebf26d43ff75e027e27f23beb80
Author:     GLSAMaker <>
AuthorDate: 2023-12-22 12:11:31 +0000
Commit:     Hans de Graaff <>
CommitDate: 2023-12-22 12:11:54 +0000

    [ GLSA 202312-09 ] NASM: Multiple Vulnerabilities
    Signed-off-by: GLSAMaker <>
    Signed-off-by: Hans de Graaff <>

 glsa-202312-09.xml | 45 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)