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| author |   GLSAMaker <glsamaker@gentoo.org> | 2024-06-22 08:02:03 +0000 |
|---|---|---|
| committer |   Hans de Graaff <graaff@gentoo.org> | 2024-06-22 10:02:32 +0200 |
| commit | acb9476bc172258fe693650384438c25dcfc468d (patch) | |
| tree | a7a76c303eddc64670a24590b84587d50bdb6387 | |
| parent | [ GLSA-202406-03 ] RDoc: fix type in title (diff) | |
| download | glsa-acb9476bc172258fe693650384438c25dcfc468d.tar.gz glsa-acb9476bc172258fe693650384438c25dcfc468d.tar.bz2 glsa-acb9476bc172258fe693650384438c25dcfc468d.zip | |
[ GLSA 202406-04 ] LZ4: Memory Corruption
Bug: https://bugs.gentoo.org/791952
Signed-off-by: GLSAMaker <glsamaker@gentoo.org>
Signed-off-by: Hans de Graaff <graaff@gentoo.org>
| -rw-r--r-- | glsa-202406-04.xml | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/glsa-202406-04.xml b/glsa-202406-04.xml new file mode 100644 index 00000000..cea7d0f6 --- /dev/null +++ b/glsa-202406-04.xml @@ -0,0 +1,42 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> +<glsa id="202406-04"> + <title>LZ4: Memory Corruption</title> + <synopsis>A vulnerability has been discovered in LZ4, which can lead to memory corruption.</synopsis> + <product type="ebuild">lz4</product> + <announced>2024-06-22</announced> + <revised count="1">2024-06-22</revised> + <bug>791952</bug> + <access>local</access> + <affected> + <package name="app-arch/lz4" auto="yes" arch="*"> + <unaffected range="ge">1.9.3-r1</unaffected> + <vulnerable range="lt">1.9.3-r1</vulnerable> + </package> + </affected> + <background> + <p>LZ4 is a lossless compression algorithm, providing compression speed > 500 MB/s per core, scalable with multi-cores CPU. It features an extremely fast decoder, with speed in multiple GB/s per core, typically reaching RAM speed limits on multi-core systems.</p> + </background> + <description> + <p>An attacker who submits a crafted file to an application linked with lz4 may be able to trigger an integer overflow, leading to calling of memmove() on a negative size argument, causing an out-of-bounds write and/or a crash.</p> + </description> + <impact type="normal"> + <p>The greatest impact of this flaw is to availability, with some potential impact to confidentiality and integrity as well.</p> + </impact> + <workaround> + <p>There is no known workaround at this time.</p> + </workaround> + <resolution> + <p>All LZ4 users should upgrade to the latest version:</p> + + <code> + # emerge --sync + # emerge --ask --oneshot --verbose ">=app-arch/lz4-1.9.3-r1" + </code> + </resolution> + <references> + <uri link="https://nvd.nist.gov/vuln/detail/CVE-2021-3520">CVE-2021-3520</uri> + </references> + <metadata tag="requester" timestamp="2024-06-22T08:02:03.295621Z">graaff</metadata> + <metadata tag="submitter" timestamp="2024-06-22T08:02:03.298226Z">graaff</metadata> +</glsa>
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